STIME DI MAGNITUDINE

Qui di seguito sono riportate misure fotometriche di comete, fatte da osservatori italiani. Il formato usato è quello dell'IAUC, con ulteriori indicazioni nell'area dedicata alle note. Normalmente le misure fatte con il ccd possono differire da quelle fatte visualmente anche di una o più magnitudini, questo per il diverso campo utilizzato e per la diversa sensibilità spettrale dei ccd e dell'occhio umano. Per le misure fatte con il ccd si è deciso, all'interno del Gruppo Osservatori Comete, di utilizzare un'apertura pari ad un diametro di 100.000 Km di chioma o suoi sottomultipli, calcolabile con l'espressione : A"=122,3/Dist , dove la distanza è quella della cometa rispetto alla Terra, in U.A, al momento della ripresa.

Here following measures fotometriche of comets is brought, served as Italian observatories. The used format is that of the IAUC, with further indications in the area devoted to the notes. The measures done with the ccd can normally differ also visually from those sorts of one or more magnitudes, this for the different used field and for the different ghostly sensibility of the ccds and the human eye. For the measures done with the ccd you/he/she is decided, inside the Group Observatories Comets, to use an equal opening to a diameter of 100.000 Kms of head of hair or his/her sottomultiplis, calculable with the expression: A"=122,3/Dist, where the distance is that of the comet in comparison to the Earth, in U.A, during the photo.

COMET 7P (Pons-Winnecke)
Total-magnitude and coma diameter estimate :
2002
Apr.14.09, 16.2, +0'.3 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson V filter; stellar aspect)

COMET 19P (Borrelly)
Total-magnitude and coma diameter estimate :
2001
Oct. 14.12, 11.4, + 1.5' (G. Sostero, Remanzacco, Italy, 0.31-m + Johnson V filter)
Oct. 16.10, 11.3, + 0'.6 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD)
Oct. 18.15, 11.4, +0'.6 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD)
Oct. 22.26, 10.5, 2'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector, 100x, visual, tail 2', PA 260°)
Oct. 26.04, 11.4, +1'.5 (R.Ligustri,P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD, tail 4' PA278, anti-tail 1' PA126,Sao 81013)
Oct. 27.06, 11.1, +1'.5 (R.Ligustri,P.Beltrame,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, tail 4' PA280, anti-tail 1',Sao 81013)
Nov. 2.09, 11.7, +1'.7 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD + Johnson V filter)
Nov. 17.08, 12.1, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 2', PA 270°, HIP)
Nov. 24.03, 11.4, +1'.5 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 5' PA289, anti-tail 1' PA126,Sao62390)
Nov. 25.12, 12.3, +0'.8 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 2', PA 280°, antitail 1', GSC)
Dec. 16.03, 14.0, +1'.5 (P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Dec. 24.01, 14.2, +1'.5 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 11' PA298, antitail 1' PA136,USNO A2.0)
Dec. 24.12, 13.3, +0.6' (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 5', GSC)
Dec. 29.02, 12.4, +1'.5 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
2002
Jan. 04.95, 12.6, +1'.5 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 5' PA304, anti-tail 1' PA147,USNO A2.0)
Jan. 07.97, 12.6, +1'.5 (P.Beltrame,G.Degano,Talmassons,Italy, 0,35m reflector+CCD, tail 6' PA304,anti-tail 1' PA142,USNO A2.0)
Jan. 09.12, 12.9, +0'.8 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 10.10, 12.9, +0'.8(D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 10.94, 12.5, +1'.5 (V.Savani,M.Russiani,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan. 11.98, 12.3, +1'.5 (P.Beltrame,M.Narduzzi,Talmassons,Italy, 0,35m reflector+CCD, tail 8' PA303,anti-tail 1' PA147,USNO A2.0)
Jan. 13.04, 13.0, +0'.8 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 16.97, 12.3, +1'.5 (M.Zorzenon, G.Degano, Talmassons,Italy, 0,35m reflector+CCD,tail 5' PA301, antitail 1' PA 143,USNO A2.0)
Jan. 17.95, 12.7, +1'.5 (P.Beltrame, M.Russiani, Talmassons,Italy, 0,35m reflector+CCD,tail 5' PA301, antitail 1' PA 140,USNO A2.0)
Feb. 03.79, 13.0, +1'.5 (R.Ligustri,M.te Matajur,Italy, 0,20m reflector+CCD)
Feb. 07.89, 13.1, +1'.5 (P.Beltrame, M.Russiani,V.Savani,Talmassons,Italy, 0,35m reflector+CCD, tail 4' PA304, antitail 1' PA146,USNO A2.0)
Feb. 07.95, 13.3, +1'.3 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Feb.17.04, 13.1, +1'.7 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Johnson V, GSC3461 2029, hazy);
Feb.17.05, 12.7, +1'.7 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Cousin R, GSC3461 2029, hazy);
Feb.17.04, 12.2, +1'.7 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Cousin I, GSC3461 2029, hazy);
Feb.17.05, 12.7, +1'.7 (G. Sostero, Remanzacco, Italy,0.31-m + CCD, GSC3461 2029, hazy);
Feb.17.15, 12.8, +1'.7 (G. Sostero, Remanzacco, Italy,0.31-m + CCD, GSC3461 2029, hazy, tail 8' in PA303; anti-tail 1.5' in PA 148);
Feb. 24.80, 13.8, +0'.8 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Mar. 04.85, 13.8, +1'.3 (R. Ligustri,G.Degano,Talmassons,Italy, 0,35m reflector+CCD)
Mar. 05.08, 13.4, + 1'.5 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD; USNO, tail 5-arcmin long in p.a. 300 deg)
Mar. 08.89, 13.4, +1'.3 (V.Savani,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Mar. 09.85, 14.6, +0'.6(D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Mar. 09.88, 13.2, +1'.3 (R.Ligustri,V.Savani,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Mar.11.84, 13.2, +1'.3 (R.Ligustri,V.Savani,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Mar.12.81, 13.1, +1'.3 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Mar. 30.82, 15.8, +0'.2 (P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Apr. 02.80, 16.2, +0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)

COMET 29P/ Schwassmann-Wachmann 1
Total-magnitude and coma diameter estimate:
2002
July 07.95, 14.6, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
July 09.97, 14.9, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, DC 4, GSC)
Aug.12.96, 12.9, +0',5 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Aug. 30.84, 13.4, +0',5 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept.07.91, 13.7, +0',5 (R.Ligustri, V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sep 07.91, 14.2, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, TYC)
Sep. 29.82, 13.8, +0'.4 (G. Sostero, Remanzacco, Italy,0.31-m Baker camera + CCD + Cousins I filter);
Sep. 29.82, 14.9, +0'.4 (G. Sostero, Remanzacco, Italy,0.31-m Baker camera + CCD + Johnson V filter);
Sep. 29.85, 15.2, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Oct. 01.78, 14.2, +0',5 (R.Ligustri,L.Guatto,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Nov. 08.78, 13.1, +0',5 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)

COMET 30P/ Reinmuth
Total-magnitude and coma diameter estimate :
2001
Dec. 11.17, 14.5, +1'.6 (G. Sostero, Remanzacco, Italy, 0.3-m reflector + CCD; tail 3.6´ long in PA293)

COMET 44P/ Reinmuth 2
Total-magnitude and coma diameter estimate :
2001
Oct. 22.15,16.2,+ 0.3' (G. Sostero, Remanzacco, Italy, 0.3-m + CCD; USNO A2; crowded star field)
Dec. 14.81, 16.6, +0'.2(R. Ligustri,V.Savani, Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Dec. 16.88, 16.7, +0'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Dec. 18.83, 16.6, +0'.2(R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Dec. 23.90, 16.4, +0'.2(R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
2002
Jan. 01.73, 16.7, +0'.2(R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan. 03.77, 16.9, +0'.2 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 04.85, 16.8, +0'.2(R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan. 08.85, 16.9, +0'.2(R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan. 10.90, 17.0, +0'.2(V.Savani,M.Russiani,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan. 16.82, 17.4, +0'.2(M.Zorzenon, G.Degano, Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Feb. 24.87, 18.2, + 0'.4 (G. Sostero, Remanzacco, Italy,0.31-m + CCD; moonlight, GSC1835 696);

COMET 46P/ Wirtannen
Total-magnitude and coma diameter estimate :
2002
Aug. 14.10, 12.5, +1',0 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Oct. 02.15, 10.8, +2'.6 (G. Sostero, Remanzacco, Italy, 0.31-m Baker camera + CCD + Johnson V filter; tail 3.8' long in PA 295 deg)
Oct. 19.18, 12.5, +0'.6 (G. Sostero, Remanzacco, Italy,0.45-m reflector + CCD; USNO; tail 3' long in PA 300 deg, twilight)
Nov. 10.17, 12.7, +1'.2 (G. Sostero, Remanzacco, Italy, 0.3m reflector + CCD; tail 1.7' long in PA304; GSC 866 150)

COMET 51P (Harrington)
Total-magnitude and coma diameter estimate :
2001
Dec. 10.91, 16.7, +0'.2(D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, component A, GSC)
Dec. 10.91, 16.8, +0'.2(D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, component D, GSC)
Dec. 14.86, 16.7, +0'.2(R.Ligustri,V.Savani, Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Dec. 14.86, 16.8, +0'.2(R.Ligustri,V.Savani, Talmassons,Italy, 0,35m reflector+CCD, component D,USNO A2.0)
Dec. 16.83, 16.6, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Dec. 16.83, 16.7, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Dec. 16.95, 16.4, +0'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, component A, GSC)
Dec. 18.84, 16.7, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Dec. 18.84, 16.7, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Dec. 23.88, 17.3, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Dec. 23.88, 17.4, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
2002
Jan. 01.74, 17.4, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 01.74, 17.3, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 02.76, 17.5, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 02.76, 17.5, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 04.84, 17.5, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 04.84, 17.6, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 04.89, 17.8, +0'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, component A, GSC)
Jan. 06.78, 17.5, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 06.78, 17.5, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component D,USNO A2.0)
Jan. 07.88, 17.4, +0'.2(P.Beltrame, G.Degano,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 07.88, 17.6, +0'.2(P.Beltrame, G.Degano,Talmassons,Italy, 0,35m reflector+CCD, component D,USNO A2.0)
Jan. 08.87, 17.8, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 08.87, 17.4, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component D,USNO A2.0)
Jan. 10.88, 17.3, +0'.2(V.Savani, M.Russiani,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 10.88, 17.4, +0'.2(V.Savani, M.Russiani,Talmassons,Italy, 0,35m reflector+CCD, component D,USNO A2.0)
Jan. 12.77, 17.5, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 12.77, 17.5, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component D,USNO A2.0)
Jan. 16.93, 17.8, +0'.2(M.Zorzenon, G.Degano, Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 16.93, 17.9, +0'.2(M.Zorzenon, G.Degano, Talmassons,Italy, 0,35m reflector+CCD, component D,USNO A2.0)
Jan. 17.79, 17.8, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component A,USNO A2.0)
Jan. 17.79, 17.9, +0'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, component D,USNO A2.0)

COMET 57P/ du Toit-Neujmin-Delporte
Total-magnitude and coma diameter estimate:
2002
July 09.93, 15.1, +1'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1'.0, PA 240°, GSC)
July 10.95, 15.3, +1'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1'.0, PA 240°, GSC)
July 28.88, 14.2, +0',2 (R.Ligustri, G.Degano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sep 07.89, 14.1, +1'.1 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,TYC)
Sep. 30.84, 14.4, +1'.0 (G. Sostero, Remanzacco, Italy,0.31-m Baker camera + CCD + Cousins I filter);
Sep. 30.86, 14.8, +1'.0 (G. Sostero, Remanzacco, Italy,0.31-m Baker camera + CCD + Johnson V filter);

COMET 65P/GUNN
Total magnitude and coma diameter estimates:
2002
Feb. 16.99, 15.0, +0'.5 (P.Beltrame, Talmassons, Italy, 0,35m reflector + CCD, USNO A2.0)
Feb. 19.16, 15.1, +0'.5 (G. Sostero, Remanzacco, Italy,0.3-m reflector + CCD, GSC, hazy);
Mar. 04.86, 15.2, +0'.2 (R. Ligustri,G.Degano,Talmassons,Italy, 0,35m reflector+CCD)
Mar. 04.93, 14.6, +0',4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 280°, GSC)
Mar. 05.10, 15.0, + 0'.4 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD; USNO, tail 1-arcmin long in p.a. 300 deg)
Mar. 09.89, 14.2, +0'.8 (R.Ligustri,V.Savani,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0, tail 2' PA 293)
Mar. 09.91, 15.0, +0'.4(D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 280°, GSC)
Mar. 11.85, 14.3, +0'.8 (V.Savani,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0, tail 1' PA 294)
Mar. 12.82, 14.2, +0'.8 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0, tail 1' PA 288)
Apr. 02.90, 14.5, +0'.8 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Apr.10.99, 14.7,  +0'.9 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson V filter);
Apr.11.00, 14.2,  +0'.9 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin R filter);
Apr.11.00, 14.0,  +0'.9 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin I filter);
May 1.84, 15.0, +0'.9 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Johnson V filter);

COMET 67P Churyumov-Gerasimenko
Total magnitude and coma diameter estimates:
2002
Aug. 14.08, 14.2, +0',2 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept 08.17, 12.7, +1'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 280°, GSC)
Oct. 19.12, 12.9, +1'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 3', PA 290°, GSC)
Nov. 09.06, 12.8, +1',4 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 3' PA301)
Nov. 10.20, 12.5, +1'.2 (G. Sostero, Remanzacco, Italy,0.3m reflector + CCD; tail 4.6' long in PA298; twilight; GSC 852 228)
Nov. 11.12, 12.6, +1'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 3', PA 295°, GSC)

COMET 77P/ Longmore
Total-magnitude and coma diameter estimate:
Mar. 10.93, 15.5, +0'.6 D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Mar. 20.93, 15.0, +1'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCDGSC, moonlight)
Mar. 30.84, 16.0, +0'.2 (P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Apr. 02.88, 15.1, +1'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 100°,GSC)

COMET 81P/ Wild
Total-magnitude and coma diameter estimate:
2002
Dec. 08.83, 15.8, +0',2 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Dec, 08.92, 14.9, +1'.2 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD; faint tail 0,5’ long in PA 280)

COMET 92P/ Sanguin
Total-magnitude and coma diameter estimate:
2002
Sept.07.87, 13.7, +1',0 (R.Ligustri, V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sep 09.85, 13.3, +2'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,GSC)
Sep 11.85, 13.1, +2'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,GSC)
Sept.13.94, 12.8, +1',4 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept.26.84, 13.1, +1',3 (V.Savani, L.Guatto,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept.29.80, 13.4, +1',3 (R.Ligustri, P.Brunato,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept. 29.85, 12.8, +1'.3 (G. Sostero, Remanzacco, Italy,0.31-m Baker camera + CCD + Cousins I filter);
Sept. 29.85, 13.4, +0'.6 (G. Sostero, Remanzacco, Italy,0.31-m Baker camera + CCD + Cousins I filter);
Sept. 29.87, 13.8, +2'.3 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Sept. 29.87, 14.2, +0'.6 (G. Sostero, Remanzacco, Italy,0.31-m Baker camera + CCD + Johnson V filter);
Sept. 29.87, 14.2, +0'.6 (G. Sostero, Remanzacco, Italy,0.31-m Baker camera + CCD + Johnson V filter);
Sept. 30.91, 13.0, +0'.8 (G. Milani, Padova, Italy, 0.20 m refl. +CCD + I filter)
Oct. 01.79, 12.8, +1',3 (R.Ligustri, L.Guatto,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Oct. 01.79, 13.5, +1'.2 (G. Milani, Padova, Italy, 0.20-m CCD + Cousins I filter)
Oct. 01.87, 13.4, +1'.3 (V. Gonano and M. Gonano, Remanzacco, Italy, 0.31-m Baker camera + CCD + Cousins R filter)
Oct. 02.78, 13.5, +1',3 (L.Focardi Italy, 0,08m refractor+CCD GSC 5227:1176)
Oct. 13.79, 13.8, +2'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 0'.2, PA 75°, GSC, moonlight)
Oct. 13.79, 13.6, +0'.5 (G. Milani, Padova, Italy, 0.20-m CCD + Cousins I filter)
Oct. 28.76, 14.0, +1'.8 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 0'.2, PA 25°, GSC,)
Nov. 01.76, 14.6, +1'.7 (D.Tirelli, Cima Larici, Italy, 0,15m reflector+CCD, GSC)
Nov. 08.79, 13.8, +1',8 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Nov. 08.85, 13.9, +1'.6 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)

COMET  153P (Ikeya-Zhang) ex C/2002C1
Total-magnitude and coma diameter estimate :
2002
Feb. 3.73, 10.2, +1'.8 (R.Ligustri,M.te Matajur,Italy, 0,20m reflector+CCD, tail 10' PA81,USNO A2.0)
Feb. 3.76, 9.3, +3'.6 (G. Sostero, Mt. Matajur, Italy, 0.20-m reflector + CCD)
Feb. 07.75, 8.9, +1'.7 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 9' PA86,USNO A2.0)
Feb. 11.75, 7.0, 5'.0 (A. Giambersio, Potenza, Italy, 7x50 binoculars, no tail visible)
Feb. 12.75, 7.4, 6'.0 (A. Giambersio, Potenza, Italy, 16x70 , binoculars)
Feb. 14.75, 6.8, 6' (Toni Scarmato, Calabria, Italy,DC=5...7x50, binoculars,la cometa mostra una chioma allungata in PA 60 gradi)
Feb. 24.75, 6.5, 5' (D.Tirelli, Sossano, Italy , 0,15m reflector, 45x, visual)
Feb. 24.76, 5.9, 2', (S.Baroni, Milan, Italy, 20 X 80 Binoculars, DC 9)
Feb. 24.76, 6.2, 3'.5, (G. Milani, Padova, 20x80 Binoculars, D.C.6/7)
Feb. 24.77, 7.3, +1'.9 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Johnson B filter; low altitude, moonlight;GSC4677 378)
Feb. 24.76, 6.7, +1'.9 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Johnson V filter; low altitude, moonlight,GSC4677 378)
Feb. 24.77, 7.3, +1'.9 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Cousin R filter; low altitude, moonlight,GSC4677 378)
Feb. 24.75, 7.1, +1'.9 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Cousin I filter; low altitude, moonlight; tail in excess of 20' in PA 89 deg, GSC4677 378)
Feb. 24.77, 6.7, +1'.6 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, moonlight, tail 15' PA89, GSC 4677 490)
Feb. 27.77, 6.0, 10' (Toni Scarmato, Calabria,Italy,DC=7, no tail visible.......7x50B)
Feb. 28.76, 4.9, 10' (Toni Scarmato, Calabria Italy,DC=8, ions tail ~2 deg in PA=80 deg.......7x50B)
Mar 02.77, 4.8, 12' (Toni Scarmato, Calabria,Italy,DC=7/8, Ions Tail ~2 deg in PA 90 deg.....7x50B and 10x50B)
Mar 02.76, 5.4, 3' (Giovanni Arcuri(GAP), Palermo, Italy, 20x80, binoculars - Observatory G.B. Donati )
Mar 03.76, 5.4,  4', (S.Baroni, Milan, Italy, 20X80 Binoculars)
Mar 03.77, 5.6,  4', (S.Baroni, Milan, Italy,  7X50 Binoculars)
Mar. 03.75, 5.3, 3' (G.Milani, Padova, Italy, 20x60 refractor)
Mar. 03.76, 5.8, +1'.8 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 30' PA69, SAO 109672)
Mar. 03.77, 5.4, 6/7' (M. Martellini, Pedona di Camaiore (Lu) Italy, 15x80 binoculars, ion tail in P.A. 53°)
Mar. 03.78, 4.6, 6', (Stefano Checcucci, Foligno, Italy, 20x60 binoculars, Hipparcos and Tycho Catalog)
Mar. 04.75, 5.8, +1'.8 (D.Tirelli, Sossano, Italy, 0,08m refractor+CCD, tail 30', PA 85°, HIP 5572)
Mar. 04.76, 5.2, 5' (D:Tirelli, Sossano, Italy, 7x50 binocular, visual, tail 15', PA 85°, HIP 6061)
Mar. 04.76, 5.4,  4'.5 (G. Sostero, Moruzzo, Italy, 20x80 binoculars, tail 0.8-deg in p.a. 80 deg)
Mar. 04.76, 4.9,  4’.5 (R. Haver, Frasso Sabino, Italy, 10X50 binoculars, tail 2.2 deg in p.a. 76 deg)
Mar. 04.78, 5.1, 6/7' (M. Martellini, Passo Croce, Stazzema (Lu) Italy, 15x80 binoculars, ion tail in P.A. 77°)
Mar. 04.78, 5,4, 3' (G.Milani, Padova, Italy 20x80 binoculars, DC=6)
Mar. 04.78, 5.3, 3' ( G.Vanin,Seren del Grappa,Italy, binocolo 20 x 80, coda di 30' in AP 90°, GC: 7)
Mar. 04.79, 5.9, +1'.8 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 35' PA87)
Mar. 07.75, 5.1, 15' (A. Giambersio, Potenza, Italy, 7x50, binoculars)
Mar. 07.77, 4.8, 6', (S.Baroni, Milan, Italy, 20X80 Binoculars)
Mar. 08.76, 4.7, 6' (D.Tirelli, Sossano, Italy, 7x50 binocular, tail 20',PA 80°)
Mar. 08.77, 5.5, +1'.9 (D.Tirelli , Sossano, Italy, 0,15m reflector+CCD, tail 20', PA 80°, GSC)
Mar. 09.76, 5.2, +2'.0 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 20', PA70, SAO 109763)
Mar. 09.77, 4.8, 5' (G. Sostero, Canebola, Italy, 20x80 binoculars; 1.6-deg tail in p.a. 73 deg)
Mar.10.78, 5.0, +2'.3 (L. Donato and G. Sostero,Remanzacco, Italy, 0.31-m + CCD + Johnson V filter; low altitude)
Mar.10.79, 5.2, +2'.3 (L. Donato and G. Sostero,Remanzacco, Italy, 0.31-m + CCD + Cousin R filter; low altitude)
Mar.10.77, 4.7, +2'.3 (L. Donato and G. Sostero,Remanzacco, Italy, 0.31-m + CCD + Cousin I filter; low altitude)
Mar. 10.77, 5.3, +2'.0(R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 20', PA72, SAO 109826)
Mar. 11.76, 5.1, +2'.1(V.Savani,Talmassons,Italy, 0,35m reflector+CCD, tail 20', PA70, SAO 92406)
Mar. 11.77, 3.7,12' (Toni Scarmato Calabtia, Italy- Tail 6 deg in PA 100 deg, 7x50B)
Mar. 11.77, 4.2, 4',5 (Roberto Haver,Italy, DC=7/8, tail 3.0 deg in PA 68 deg.)
Mar. 11.78, 4.8, 3' (Michele Martellini, Passo Croce, Stazzema (LU) - Italy,15x80 Binoculars, ion tail 80' in P.A. 71°; DC 7/8)
Mar. 11.78, 4.3, 3' (Gabriele Vanin, Croce D'Aune, Italy, DC=8, tail 2 deg in PA 66, 20 x 80B)
Mar. 12.76, 4.6, +2'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 20', PA68, SAO 92407)
Mar. 12.77, 3.6,12', (Toni Scarmato Calabtia, Italy, 7x50B, 10x50B)
Mar. 13.75, 4.2, +2'.2 (V.Savani,Talmassons,Italy, 0,35m reflector+CCD, tail 20', PA67, SAO 92395)
Mar. 13.76, 4,9, 4'3  (Giovanni Arcuri (GAP),Palermo, Italy, 12x50, binoculars-Observatory G.B.Donati, DC 7/8, tail 5,8 in p.a.75 deg)
Mar. 13.78, 4.7, 5' (S. Checcucci, Foligno,Italy, 10x50 binoculars, TT)
Mar. 13.80, 4.0, 4' (Gabriele Vanin, Passo Rolle, Italy, DC=7, tail 2.5 deg in PA 70, 20 x 80B)
Mar. 14.77, 4.8,  4’3 (Giovanni Arcuri (GAP),Palermo, Italy, 11x80, binoculars-Observatory G.B.Donati-), tail 5,5 in p.a.74 deg,DC 7/8 )
Mar. 15.77, 3.5, 7', (Toni Scarmato, Calabria, Italy, 7x50B)
Mar. 16.76, 3.4, 7' (Toni Scarmato,Calabria, Italy, 7X50B)
Mar. 16.76, 3.9, +2'.4 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 20', PA60, SAO 92453, haze)
Mar. 16.77, 3.8, 5’ (S.Checcucci, Foligno, Italy, 20x60 binoculars, tail 52’ PA 60, TT)
Mar. 16.78, 3.7, 4', (R.Haver, Italy,DC 8, tail 2°.0 in PA 58°, 10X50 binoculars)
Mar. 18.77, 4.4, +3'.0 (D.Tirelli, Sossano, Italy, 0,08m refractor+CCD, tail 1°,PA 60°, HIP 6732)
Mar. 19.77, 3.6, 6'.0 (S.Baroni, Milan, Italy, 7x50 Binoculars, DC 8, tail 2° in P.A.   45°)
Mar. 20.77, 3.7, 3'.2 (Giovanni Arcuri (GAP),Palermo, Italy, 11x80, binoculars-Observatory G.B.Donati, tail 5,7 in p.a. 62 )
Mar. 20.77, 3.8, 7' (D.Tirelli, Sossano, Italy, 7x50 binocular, tail 1°,5,PA 60°, gamma ARI,hazy,moonlight)
Mar 20.77, 4.5, - (M. Giuntoli, 8x21 Binoculars, D.C. 6)
Mar. 20.79, 3.7, 6’ (S.Checcucci, Foligno, Italy, 20x60 binoculars, tail 1,5° PA 53, TT)
Mar. 20.79, 3.4, 5' (Michele Martellini, Passo Croce di Stazzema (Lu) -Italy, 15x80 Binoculars, Tail 2°25' in P.A. from 41° to 51°, DC 7)
Mar. 21.78, 3.3, 7' (S.Baroni, Milan, Italy, 7x50, DC 7, Binoculars / naked eye; 3-deg tail in p.a. 45 deg)
Mar. 21.80, 3.2, 3' (Gabriele Vanin, Passo Rolle, Italy, DC=7,tail 2.7 deg in PA 50, 20 x 80B)
Mar. 21.77, 2.9, -- (Toni Scarmato, Calabria, Italy,tail=2 deg in PA=60 deg...NE correct for extinction)
Mar. 22.77, 3.0, 5.5 (Roberto Haver (Frasso Sabino, Italy)10x50B [NE m1=2.8 and Tail=1.5 deg.Magnitude estimate corrected for atmospheric extinction.]
Mar. 22.78, 3.3, 7' (S.Baroni, Milan, Italy, 7x50 Binoculars/naked eye; 3-deg tail in p.a. 45 deg, DC 6)
Mar. 22.78, 3.6, 6' (Giovanni Arcuri, Gruppo AstrofiliPalermo, Italy, 11x80 binocular, tail 58'in P.A.60°,moonlight)
Mar 22.78, 3.9, 3'(M. Giuntoli, 8x21 Binoculars, D.C. 6, 2.5° tail)
Mar. 22.80, 3.2, 7’ (S. Checcucci, Foligno, Italy, 20x60 binoculars, TT)
Mar. 22.80, 3.3, 6' (Michele Martellini, Passo Croce di Stazzema (LU), Italy,15x80 binoculars, tail 1°45' in P.A. 53°, DC 8, moonlight)
Mar. 23.77, 4.0, 3'.0 (E.Stomeo,Scorzè, Italy, 11x80B, DC=6, tail 3 deg ,PA=43)
Mar. 23.77, 3.7, +2',8 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 20' PA045, SAO74763)
Mar 23.78, 4.3, 3'(M. Giuntoli, 10x50 Binoculars, D.C. 6, 2° tail)
Mar. 23.78, 3.0, -- (Roberto Haver (Frasso Sabino, Italy,10x50B) [NE m1=2.8 and Tail=2.0 deg.Magnitude estimate corrected for atmospheric extinction.]
Mar. 23.79, 3.9, +3'.0 (D.Tirelli, Sossano, Italy, 0,08m refractor+CCD,tail 1°,PA 60°, HIP 6529, moonlight)
Mar. 23.79, 3.3, 7' (D.Tirelli, Sossano, Italy, 7x50 binocular, tail 4°, PA60°, moonlight)
Mar. 24.77, 3.8, +2',9 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 20' PA041, SAO74647)
Mar. 24.77, 3.8, 3'(M. Giuntoli, 8x21 Binoculars, D.C. 6, 2° tail)
Mar. 24.80, 3.2, 7'.0 (F.Zucconi, Lodi, Italy, 10x70 Binoculars, DC 8, tail 2,2° in P.A.45°)
Mar. 24.83, 3.3, 3'.0 (E.Stomeo,Scorzè, Italy, 11x80B, DC=6, tail 4 deg ,PA=31)
Mar. 25.76, 3.0,--,(Toni Scarmato, Calabria, Italy, naked eye)
Mar. 25.76, 3.6, +3',0(G.Savani,G.Degano,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, tail 20' PA038, SAO74767)
Mar. 25.78, 3.1, 5' (F.Zucconi, Lodi, Italy, 10x70 Binoculars, DC 8, tail 1.8° in P.A.43°)
Mar 25.78, 3.8, 3'(M. Giuntoli, 8x21 Binoculars, D.C. 6, 2° tail)
Mar. 25.80, 3.0, 4' (Gabriele Vanin, Monte Avena, Italy,DC=7, tail 2.3 deg in PA 40, 10 x 50B)
Mar. 25.80, 3.4, 3° (M.V.Zanotta, Milano, Italy, 7x42 binoculars)
Mar. 27.76, 3.7, +3',0 (R. Ligustri,Talmassons,Italy,0,35m reflector+CCD,tail 20' PA035, SAO54719)
Mar. 27.78, 3.5, 7’ (S. Checcucci, Foligno, Italy, 20x60 binoculars, tail 1° PA 30°, TT, Moonligth)
Mar 27,78, 3.8, - (M. Giuntoli, 8x21 Binoculars)
Mar. 28.76, 3.2,--,(Toni Scarmato, Calabria, Italy, naked eye)
Mar. 28.80, 3.1, 7' (S. Checcucci, Foligno, Italy, 20x60 binoculars, DC 6/, TT,Moonlight)
Mar. 29.77, 3.5, 3',2 (P.Beltrame, Talmassons,Italy,0,35m reflector+CCD, tail 20' PA035. SAO54546)
Mar. 29.79, 2.8, 6' (S. Checcucci, Foligno, Italy, 20x60 binoculars, DC 7, TT)
Mar. 29.79, 3.6, +3'.1 (D.Tirelli, Sossano, Italy, 0,08 refractor+CCD, tail 1.5°,PA 50°, HIP 5694)
Mar. 29.80, 2.8, 7' (D.Tirelli, Sossano, Italy, 7x50 binocular)
Mar. 29.80, 3.4, 2° (M.V.Zanotta, Monte Tellero, Italy, naked eye);
Mar. 29.80, 3.6, 6° (M.V.Zanotta, Monte Tellero, Italy, 7x42 binoculars);
Mar. 30.77, 3.5, 3',2 (R.Ligustri, Talmassons,Italy,0,35m reflector+CCD, tail 20' PA034. SAO54520)
Mar. 30.80, 2.9, 7' (S. Checcucci, Foligno, Italy, 10x50 binoculars, tail 1° PA25°, TT)
Mar. 31.79, 3.8, 7' (Michele Martellini, Passo Croce di Stazzema (Lu) -Italy - 15x80 Binoculars, tail long 1°50' in P.A. 21°, DC 6/7)
Mar. 31.79, 3.2, 7' (D.Tirelli, Sossano, Italy, 7x50 binocular, tail 3°, PA40°)
Mar. 31.80, 3.8, +3'.4 (D.Tirelli, Sossano, Italy, 0,08m refractor+CCD, tail 1.5°,PA 40°,HIP)
Mar. 31.80, 3.3,7', (S.Baroni, Milan, Italy, 7x50 Binoculars; 3-deg tail in p.a.18 deg)
Mar. 31.81, 2.9, 6' (Gabriele Vanin, Monte Avena, Italy,DC=6, tail 3.5 deg in PA 23, 10 x 50B)
Apr. 01.78, 2.8, 10' (Toni Scarmato, Calabria, Italy, NE)
Apr. 01.79, 3.2, 7'; (S. Checcucci, Foligno, Italy, 10x50 binoculars, tail 1.7° PA 16°, TT)
Apr. 01.81, 3.4, 3 deg (M. V. Zanotta, Alpe Ponna, Italy, naked eye);
Apr. 01.81, 3.6, 7 deg (M. V. Zanotta, Alpe Ponna, Italy, 7x42 binoculars);
Apr. 02.78, 4.0, +3'.5 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 20', PA10, SAO 54398)
Apr. 02.80, 3.4, 6' (D.Tirelli, Sossano,Italy, 7x50 binocular,tail 2,5°, PA35°)
Apr. 02.81, 3.9, +3'.4 (D.Tirelli, Sossano, Italy, 0,08m refractor+CCD, tail1.5°,PA 35°, HIP)
Apr. 03.79, 3.6, 8', (S.Baroni, Milan, Italy, 20x80 Binoculars; 2-deg tail in p.a. 15 deg)
Apr. 03.81, 3.7, +5'.0 (D.Tirelli, Sossano, Italy, 0,05m refractor+CCD, tail2°,PA 35°, HIP)
Apr. 04.77, 4.2, +3'.6 (P.Beltrame, V.Savani,Talmassons,Italy, 0,35m reflector+CCD, tail 20', PA04, SAO 36751)
Apr. 04.77, 3.2, 10' (Toni Scarmato, Calabria,Italy, 7x50B)
Apr. 05.79, 2.9, 7'; (S. Checcucci, Foligno, Italy, 10x50 binoculars, TT, corrected for atmospheric extinction)
Apr. 08.77, 5.2, 4' (Toni Scarmato, Calabria, Italy, 7x50B, tail non visibile)
Apr. 11.13, 5.0, +4'.7 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson B filter);
Apr. 11.13, 4.4, +4'.7 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson V filter; narrow tail in p.a. 338 deg);
Apr. 11.12, 4.7, +4'.7 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin R filter);
Apr. 11.13, 4.3, +4'.7 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin I filter);
Apr. 14.12, 5.4, +5'.0 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson B filter);
Apr. 14.11, 4.7, +5'.0 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson V filter; tail in p.a. 316deg);
Apr. 14.12, 5.0, +5'.0 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin R filter);
Apr. 14.12, 4.7, +5'.0 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin I filter);
Apr. 17.79, 4.2, 8' (Toni scarmato, Calabria, Italy, 7x50B, tail 1.5 deg in PA=0 deg)
Apr. 18.12, 3.8, 10' (Gabriele Vanin, Vignui, Italy, DC=3, tail 1.5 deg in PA 312, 10 x 50B)
Apr. 19.04, 4.1, 12'; (S. Checcucci, Foligno, Italy, 20x60 binoculars, DC 5, TT)
Apr. 20.93, 3.5, 15' (Toni scarmato, Calabria, Italy, 7x50B, tail 1.5 deg in PA=0 deg)
Apr. 22.05, 4.1, 10' (S.Baroni, Milan, Italy, 20x80 Binoculars; 2-deg tail in p.a. 290 deg)
Apr. 22.09, 4.3, 10' (Gabriele Vanin, Vignui, Italy, DC=4,tail 0.7 deg in PA 300, 10 x 50B)
Apr. 22.98, 3.8, 15' (Toni Scarmato, Calabria, Italy, 7x50B, tail 2 deg in PA=10 deg)
Apr. 23.12, 4.2, 15'; (S. Checcucci, Foligno, Italy, 10x50 binoculars, DC 6, TT)
Apr. 23.15, 4.2, 10' (A. Giambersio, Potenza. Italy, 7x50, binoculars)
Apr. 24.98, 6.0, +3'.6 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,moonlight, SAO 19085)
Apr. 25.07, 6.2, +2'.8 (Lorenzo Focardi, Italy, 0,75m refractor +CCD,GSC 4247 450)
Apr. 25.90, 4.5, 7' (Toni Scarmato, Calabria, Italy, 7x50B, tail not visible)
Apr. 25.96, 4.2, 18' (S. Checcucci, Foligno, Italy, 10x50 binoculars, DC 5, TT)
Apr. 26.87, 4.8, 6' (A.Giambersio, Potenza, Italy, 7x50, binoculars, moonlight)
Apr. 26.92, 4.3, 15' (S. Checcucci, Foligno, Italy, 10x50 binoculars, DC 4/, TT, Moonlight interference)
Apr. 27.87, 6.4, +5'.6 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Cousin I filter; solar pointing jet 0.5' long in p.a. 70 deg; moonlight);
Apr. 27.88, 4.4, 17' (S. Checcucci, Foligno, Italy, 10x50 binoculars, TT, Moonlight)
Apr. 27.88, 4.3, 12' (S.Baroni, Milan, Italy, 20x80 Binoculars; 1.5-deg tail in p.a. 270 deg, moonlight)
Apr.  28.86, 5.0, 10' (A. Giambersio, Potenza, Italy, 7x50, binoculars)
Apr. 29.84, 4.2, --, (Toni Scarmato, Calabria, Italy, naked eye)
Apr. 30.87, 4.2, --, (Toni Scarmato, Calabria, Italy, naked eye)
Apr. 30.89, 4.6, 20' (R. Haver, Frasso Sabino, Italy, 10x50 binoculars;2.5-deg tail in p.a. 247 deg);
Apr. 30.89, 4.4, 20' (R. Haver, Frasso Sabino, Italy, Naked eye);
Apr. 30.90, 6.3, +2'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,tail 15',PA 240°, GSC)
Apr. 30.91, 5.0, 10' (D.Tirelli, Sossano, Italy, 7x50 binocular, tail 1°,PA 240°, DC 4, HIP)
May 01.81, 6.3, +3'.6 (V.Savani,G.Degano,Talmassons,Italy, 0,35m reflector+CCD,GSC 393:126)
May 01.89, 5.9, +5'.6 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Johnson V filter; sunward jet 1' long in p.a.50 deg)
May 01.89, 4.5, --, (Toni Scarmato, Calabria, Italy, naked eye)
May 01.92, 4.6, 16' (S.Checcucci, Foligno, Italy, 10x50 binoculars, DC 5, TT)
May 01.94, 6.1,+5',6 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 3927:782)
May 03.83, 4.6, 20' (Toni Scarmato, Calabria, Italy, 7x50B)
May 03.87, 4.8, 18' (A.Giambersio, Potenza, Italy, 5x70, binoculars)
May 05.84, 6.3,+5',5 (L.Focardi, Italy, 0,08m refractor+CCD,SAO 30700)
May 05.85, 4.7,15' (Toni Scarmato, Calabria, Italy, 7x50B)
May 05.88, 6.6, +5'.0 (D.Tirelli, Sossano, Italy, 0,05m refractor+CCD, tail 1°.5, PA 220°, HIP 88155)
May 06.83, 5.1,15', (S.Baroni, Milan, Italy, 20x80 Binoculars)
May 06.86, 6.5,+5',5 (L.Focardi,Italy, 0,08m refractor +CCD,SAO 30584)
May 06.89, 5.5, 12' (Gabriele Vanin, Vignui, Italy,DC=3, 10 x 50B)
May 09.83,5.5, 12' (S.Baroni, Milan, Italy, 20x80 Binoculars)
May 09.84, 5.2, 15' (Toni Scarmato, Calabria, Italy, 7x50B)
May 10.85, 5.1, 20' (Toni Scarmato, Calabria, Italy, 7x50B)
May 13.81, 5.6, 10' (D.Tirelli, Sossano, Italy, 7x50 binocular, DC 4, HIP)
May 13.84, 6.5, +10' (D.Tirelli, Sossano, Italy, 0,05m refractor+CCD, tail 40', PA 200°, HIP)
May 13.86, 6.9, +4'.5 (D.Tirelli, Sossano, Italy, 0,05m refractor+CCD, tail 40', PA 200°, HIP)
May 13.86, 7.6, +2'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD , tail 10', PA 200°, TYC)
May 13.85, 7.6, +3'.6 (V.Savani,G.Degano,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail12' PA211)
May 13.92, 6.8 (F. Zattera,Malo,Italy, 0,25m SCT+CCD, USNO A2.0)
May.13.94, 6.6,+5',0 (L.Focardi, Italy, 0,08m refractor +CCD,SAO 79600)
May 14.92, 8.0, +3'.6 (F.Scarpa,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail 11' PA206)
May.14.96, 6.9,+5',0 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 3074:447)
May 15.79, 5.3,15' (Toni Scarmato,Calabria, Italy, 7x50B)
May 15.82, 7.4, +3'.6 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,SAO 65390, tail 14' PA206)
May 15.88, 5.8, 10' (D.Tirelli, Sossano, Italy, 7x50 binocular, HIP)
May 15.89, 7.6, +2'.1 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 10', PA 200°, TYC)
May 16.84, 7.4, +3'.6 (V.Savani,G.Degano,Talmassons,Italy, 0,35m reflector+CCD,SAO65372, tail 11', PA 202)
May 16.90, 5.0,~25' (Toni Scarmato, Calabria, Italy, 7x50B)
May 17.84, 5.1,30' (Toni Scarmato, Calabria, Italy, 7x50B)
May 17.89, 5.8, 10' (D.Tirelli, Sossano, Italy, 7x50 binocular, HIP)
May 17.90, 7.5, +4'.1 (D.Tirelli, Sossano, Italy, 0,05m refractor+CCD, tail 30', PA 190°, TYC)
May.17.90, 7.3,+4',6 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 2587:878)
May.20.95, 7.5,+4',3 (L.Focardi, Italy, 0,08m refractor +CCD,SAO 65156)
May 21.84, 5.4,15' (Toni Scarmato, Calabria, Italy, 7x50B)
May.21.90, 7.6,+4',2 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 2580:1517)
May 22.81, 5.8,10' (Toni Scarmato, Calabria, Italy, 7x50B)
May.22.89, 7.6,+4',2 (L.Focardi, Italy, 0,08m refractor +CCD,SAO 84205)
May.25.91, 8.0,+3',9 (L.Focardi, Italy, 0,08m refractor +CCD,SAO 84114)
May 27.82, 5.9,~8'(Toni Scarmato, Calabria,Italy, 7x50B)
May 28.81, 5.9,~10'(Toni Scarmato, Calabria,Italy, 7x50B)
May. 28.89, 8.6, +3'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail 6' PA170)
May 29.82, 5.9,~12'(Toni Scarmato, Calabria,Italy, 7x50B)
May.29.85, 8.4,+3',6 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 1501:738)
May. 29.88, 8.9, +3'.1(R.Ligustri,M.Zorzenon,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, ion tail 6' PA 190, dust tail PA 290)
May. 28.89, 8.6, +3'.2(R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0,ion tail 6' PA170, dust tail PA 291)
May. 28.89, 8.6, +3'.4 (F.Zattera,Malo,Italy,0,25m SCT+CCD,USNO A2.0)
May 28.89, 6.3, 7'.0 (D.Tirelli, Sossano, Italy, 7x50 binocular)
May 29.87, 8.9, +2'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
May. 29.96, 8.7, +3'.2 (F.Zattera,Malo,Italy,0,25m SCT+CCD,USNO A2.0)
May 30.82, 6.0,10' (Toni Scarmato, Calabria, Italy, 7x50B)
May.30.83, 8.4,+3',6 (L.Focardi, Italy, 0,08m refractor +CCD,SAO 83986)
May. 30.87, 9.0, +3'.0 (P.Beltrame, V.Savani, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, ion tail 7' PA 184 dust tail PA 292)
May 30.91, 5.8, 20’ (S. Checcucci,Foligno,Italy, 7x50 binoculars, DC 3, TT)
May 31.89, 6.1,~15' (Toni Scarmato, Calabria, Italy, 7x50B)
May. 31.90, 9.2, +3'.0 (V.Savani, Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, ion tail 6' PA 162 dust tail 10' PA 291)
June 02.83, 6.0,~20' (Toni Scarmato, Calabria,Italy, 7x50B)
June02.91, 8.8,+3',2 (L.Focardi, Italy, 0,08m refractor +CCD,SAO 101674)
June 02.93, 6.3, 25’ (S. Checcucci,Foligno, Italy, 10x50 binoculars, DC 2, TT)
June 03.83, 6.2,~15' (Toni Scarmato, Calabria,Italy, 7x50B)
June 05.89, 6.3,~25' (Toni Scarmato, Calabria,Italy, 7x50B)
June 06.83, 6.5,~15' (Toni Scarmato, Calabria,Italy, 7x50B)
June 07.87, 7.6, 10' (A. Giambersio, Potenza,Italy, 16x70, binoculars)
June 08.84, 6.5,~20' (T. Scarmato, Calabria,Italy, 7x50B)
June 09.83, 6.5,25' (T. Scarmato, Calabria, Italy, 7x50B)
June 10.88, 7.2, 5' (D.Tirelli, Sossano, Italy, 0,25m reflector, 46x, visual,HIP)
June 10.89, 9.7, +2'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 5', PA 305°,TYC)
June11.82, 9.3,+2',7 (L.Focardi, Italy, 0,08m refractor +CCD,SAO 101566)
June11.85, 10.4, +2'.7 (R.Ligustri, F.Scarpa, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 30' PA 310)
June 12.86, 6.8, 7' (T. Scarmato, Calabria, Italy,7x50B)
June12.87, 11.3, +2'.6 (M.Zorzenon, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 30' PA 300)
June13.86, 11.1, +2',5 (V.Savani, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 299)
June 13.87, 6.8, 10' (Toni Scarmato, Calabria, Italy, 7x50B)
June 13.94, 7.5, 5' (D.Tirelli, Sossano, Italy, 0,25m reflector, 60x, HIP)
June 14.86, 7.0, 8' (Toni Scarmato, Calabria, Italy, 7x50B)
June14.87, 10.9, +2',5 (P.Beltrame,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 301)
June 15.84, 7.1, ~6' (Toni Scarmato, Calabria, Italy, 7x50B)
June 15.95, 9.0, +5'.0 (D.Tirelli, Sossano, Italy, 0,05m refractor+CCD, dust tail 30', PA 300°, TYC)
June 16.84, 7.2, ~8' (Toni Scarmato, Calabria, Italy, 7x50B)
June 17.82, 7.4, 5' (Toni Scarmato, Calabria, Italy, 7x50B)
June17.87, 10.6, +2',3 (G.Degano,V.Savani, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 302)
June 18.82, 7.5, 5' (Toni Scarmato, Calabria, Italy, 7x50B)
June18.87, 10.4, +2',3 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 302)
June19.87, 10.4, +2'.2 (M.Zorzenon, G.Degano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 30' PA 303)
June20.86, 10.5, +2',2 (V.Savani,G.Degano,Talmssons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 303, moonlight)
June23.86, 10.5, +2',1 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 304, moonlight)
June 26.83, 7.9, ~6' (Toni Scarmato, Calabria,Italy, 7x50B)
June26.86, 10.3, +1',9 (R.Ligustri,G.Degano, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 305)
June 26.88, 10.8, +1'.8 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, ion  tail 5', PA 125°, dust tail 15', PA 310°, TYC)
June 26.88, 10.5, 3' (D.Tirelli, Sossano, Italy,0,25m reflector, 100x visual, HIP)
June 27.87, 8.0, ~5' (Toni Scarmato, Calabria, Italy, 7x50B)
June 28.84, 8.3, 8' (Toni Scarmato, Calabria, Italy, 203 mm SCT, f/10, 70x)
June 28.86, 8.1, 4' (Toni Scarmato, Calabria, Italy, 7x50 Binoculars)
June 29.85, 8.0, 10' (Toni Scarmato, Calabria, Italy, 7x50 binoculars)
June 29.87, 10.8, +1',8 (V.Savani, G.Degano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 306)
July 01.87, 8.2, ~6' (Toni Scarmato, Calabria, Italy, 7x50 binoculars)
July 03.86, 11.9, +1'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, dust tail 10', PA 300°, GSC)
July 04.8, 8.7, ~8' (Toni Scarmato, Calabria, Italy, 203mm SCT,f/10,70x)
July 04.86, 11.0, +1',7 (V.Savani, G.Degano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 308)
July 05.86, 10.7, +1',7 (V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 308)
July 05.86, 8.8, ~7' (Toni Scarmato, Calabria, Italy, 203mm SCT,f/10,70x)
July 06.83, 8.5, ~8' (Toni Scarmato, Calabria, Italy, 203mm SCT,f/10,70x)
July 06.84, 8.1, ~10' (Toni Scarmato, Calabria, Italy, 7x50 binoculars)
July 07.84, 8.5, ~8' (Toni Scarmato, Calabria, Italy, 203mm SCT,f/10,70x)
July 07.85, 8.1, ~9' (Toni Scarmato, Calabria, Italy, 7x50 binoculars)
July 07.86, 12.2, +1'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 3', PA 115°, GSC)
July 07.87, 11.6, +1',6 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 309)
Jul. 7.90, 9.7, +1'.6 (G. Milani, Padova, Italy, 20 cm refl. CCD + I filter)
July 08.84, 8.4 ~9' (Toni Scarmato, Calabria, Italy,203mm SCT,f/10,70x)
July 08.85, 8.2 ~9' (Toni Scarmato, Calabria, Italy, 7x50 binoculars)
July 08.86, 12.0, +1',6 (V.Savani,G.Degano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 309)
July 09.83, 8.6 ~10' (Toni Scarmato, Calabria, Italy, 203mm SCT,f/10,70x)
July 09.84, 8.2 ~10' (Toni Scarmato, Calabria, Italy, 7x50 binoculars)
July 10.86, 12.0, +1',5 (R.Ligustri,M.Zorzenon,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,dust tail 20' PA 311)
July 11.89, 11.8, +1'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 3', PA 115°, dust tail 10', PA 320°, GSC)
July 11.83, 8.0 ~10' (Toni Scarmato, Calabria, Italy, 7x50 binoculars)
July 23.85, 12.5, +1',1 (R.Ligustri,G.Romano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, moonlight)
July 27.87, 12.8, +1',0 (V.Savani,Talmassons, Italy, 0,35m reflector+CCD,SAO140480)
Aug. 02.83, 12.8, +1',0 (R.Ligustri,G.Degano,V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Aug. 12.86,13.5, +1',0 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept.07.82, 15.5, +0',2 (R.Ligustri, V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)

COMET  154P (Brewington)
Total-magnitude and coma diameter estimate :
2002
Dec 01.71, 14.8, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,GSC)

COMET  155P (Shoemaker 3)
Total-magnitude and coma diameter estimate :
2002
Oct. 19.14, 15.9, +1'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Nov. 09.00, 16.4, +0',2 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Nov. 09.09, 15.2, +1'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 280°,GSC)
Dec 02.10, 15.2, +1'.7 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 280°, GSC)

COMET C/1999 U4 (Catalina-Skiff)
Total-magnitude and coma diameter estimate :
2001
Nov. 20.88, 16.5, +0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Dec. 24.16, 16.5, +0'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
2002
Jan. 08.84, 16.2, +0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan  09.10, 16.7, +0'.2 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 11.96, 16.2, +0'.2 (P.Beltrame,M.narduzzi,Talmassons,Italy, 0,35m reflector+CCD, tail 2.7' PA315,USNO A2.0)
Jan. 13.00, 16.5, +0'.2 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 16.95, 16.3, +0'.2 (M.Zorzenon, G.Degano, Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Feb. 07.81, 15.9, +0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 2' PA310,USNO A2.0)
Feb. 07.93, 16.8, +0'.2 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Feb. 24.79, 16.2, +0'.2(R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, moonlight,USNO A2.0)
Mar. 04.82, 16.3, +0'.2 (R. Ligustri,G,Degano,Talmassons,Italy, 0,35m reflector+CCD)
Mar. 05.06, 17.0, +0'.5 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD; USNO, tail 1.5-arcmin long in p.a. 304 deg)
Mar. 09.87, 16.3, +0'.2 (R.Ligustri,V.Savani,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0, tail 2' PA 302)
Mar. 11.91, 16.1, +0'.4 (D.Tirelli,Sossano, Italy, 0,25m reflector+CCD, GSC)
Mar. 12.78, 16.4, +0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Mar. 30.84, 16.7, +0'.2 (P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Apr. 01.85, 16.6, +0'.2 (P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0,tail 2' PA 292)

COMET C/2000 WM1 (Linear)
Total-magnitude and coma diameter estimate :
2001
Oct. 11.83, 13.0, +0'.5 (R. Ligustri, Talmassons, Italy, 0.35-m reflector + CCD, USNOA2.0)
Oct. 12.88, 13.0, +0'.5 (R. Ligustri, Talmassons, Italy, 0.35-m reflector + CCD, USNOA2.0)
Oct. 14.00, 12.2 +1.6' (G. Sostero, Remanzacco, Italy, 0.31-m reflector + CCD + Johnson V filter)
Oct. 14.84, 12.7, +0'.8 (R. Ligustri, Talmassons, Italy,0.35-m reflector + CCD, USNOA2.0)
Oct. 14.88, 12.3, +0'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1'.5, PA 250°, GSC)
Oct. 18.83, 12.7, +0'.8 (R. Ligustri, Talmassons, Italy,0.35-m reflector + CCD, USNOA2.0)
Oct. 22.13, 11.3 +1.9' (G. Sostero, Remanzacco, Italy, 0.31-m reflector + CCD + Johnson V filter)
Oct. 22.83, 11.4, +1'.0 (R. Ligustri, Talmassons, Italy,0.35-m reflector + CCD, USNOA2.0)
Oct. 25.89, 11.0 +2.4' (G. Sostero, Remanzacco, Italy, 0.31-m reflector + CCD + Johnson V filter)
Oct. 25.99, 11.2, +1'.0 (R. Ligustri, P.Beltrame, L.Guatto, Talmassons, Italy, 0.35-m reflector + CCD, sao24827)
Oct. 27.04, 11.9, +1'.0 (R. Ligustri, P.Beltrame, L. Guatto, Talmassons, Italy, 0.35-m reflector + CCD, sao39687)
Nov. 01.87, 10.8, +1'.2 (R. Ligustri, V. Savani, L. Guatto, Talmassons, Italy, 0.35-m reflector + CCD, sao39540)
Nov. 1.95, 10.1, +2'.9 (G. Sostero, Remanzacco, Italy, 0.31-m reflector + CCD + Johnson V filter)
Nov. 03.92, 10.4, +1'.3 (R. Ligustri, Talmassons, Italy,0.35-m reflector + CCD, sao 39443)
Nov. 4.83, 10.1, +3'.1 (G. Sostero, Remanzacco, Italy, 0.31-m reflector + CCD + Johnson V filter)
Nov. 14.87, 9.1,+2'.0 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Nov. 14.91, 7.2, -- (G. Sostero, Cergneu, Italy, 20x80 binoculars)
Nov. 15.86, 8.5,+2'.0 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,sao 56395)
Nov. 16.83, 7.7, 5'.0 (S. Checcucci, Foligno, Italy, 0,33m reflector, tail 5’ PA220, Sidgwick metod, TT)
Nov. 16.95, 6.7, 16' (G. Sostero, Drenchia, Italy, 20x80 binoculars)
Nov. 17.88, 8.2,+2'.0 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,sao 56333)
Nov. 17.88, 6.9, 10' (G. Sostero, Cergneu, Italy, 8x30 binoculars)
Nov. 20.84, 7.8,+2'.4 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 13', antitail 1' PA136, sao 55972)
Nov. 20.87, 6.2:, 15' (S. Checcucci, Foligno, Italy, 10x50 binoculars,tail not visibile, TT)
Nov. 21.97, 6.2, 14' (S. Checcucci, Foligno,Italy, 10x50 binoculars, TT)
Nov. 22.90, 5.8, 22' (S. Checcucci, Foligno, Italy,10x50 binoculars, TT)
Nov. 23.93, 7.6,+2'.7 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 20',USNO A2.0)
Nov. 23.94, 5.8, 24' (S. Checcucci, Foligno,Italy, 10x50 binoculars, TT)
Nov. 24.86, 7.6,+2'.8(P.Beltrame,V.Savani,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, tail 20', sao24827)
Nov. 24.98, 5.5, 22' (S. Checcucci, Foligno, Italy, 7x50 binoculars,TT)
Dec. 1.75, 7.4,+3'.1 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 20' PA 45 sao 109883)
Dec. 1.74, 6.7,+5'.0 (R.Ligustri,Talmassons,Italy, 0,08m refractor+CCD, tail 20' PA 45, filter R,USNO A2.0)
Dec. 2.74, 7.6,+3'.1 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, sao 129210)
Dec. 2.82, 5.4, 25' (S. Checcucci , Foligno, Italy, 7x50 binoculars, TT)
Dec. 3.76,7.7,+3'.1 (V.Savani,Talmassons,Italy, 0,35m reflector+CCD, sao 129159)
Dec. 5.74, 5.9, 23' (S. Checcucci, Foligno, Italy, 7x50 binoculars, TT)
Dec. 6.84, 5.5, 12' (G. Sostero, Cergneu, Italy, 20x80 binoculars)
Dec. 7.74, 7.5,+3'.0 (V.Savani,Talmassons,Italy, 0,35m reflector+CCD, sao 147363)
Dec. 9.76, 7.6,+3'.0 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, sao 166239)
Dec. 9.81, 5.6, 22' (S. Checcucci, Spoleto, Italy, 7x50 binoculars, TT)
Dec. 10.75, 7.7,+3'.0 (V.Savani,Talmassons,Italy, 0,35m reflector+CCD, sao 166101)
2002
Mar. 23.15, 10.7, +1',7 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, bent tail 20' PA231)
Mar. 24.15, 11.0, +1'.6 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD tail 20', PA 190°, GSC)
Apr. 14.06, 11.2, +1'.4 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson V filter; broad tail 2'.5 long toward p.a. 253 deg);
Apr. 14.07, 10.8, +1'.4 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin R filter);
Apr. 24.99, 12.1, +1'.5 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD, moonlight, USNO A2.0)
Apr. 25.05, 11.2, +1',8 (Lorenzo Focardi, Italy, 0,75m refractor +CCD,GSC 1591 921)
Apr. 30.95, 11.2, +1'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,tail 10', PA 240°, GSC)
May. 01.88, 11.7, +1'.5 (V.Savani,G.Degano,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
May. 01.91, 12.0, +1',7 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 2110:1486)
May. 06.90, 12.5, +1'.5 (V.Savani,G.Degano,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail18' PA221)
May. 06.95,11.7,+1',6 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 2100:1040)
May. 14.97, 12.2, +1'.5 (F.Scarpa,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail18' PA217)
May.14.98, 12.3,+1',6 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 2608:709 25'  tail pa 240)
May. 16.84, 12.4, +1'.3 (V.Savani,G.Degano,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail14' PA214)
May 16.92, 12.4, +1'.3 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 10', PA 220°, TYC)
May. 29.91, 12.8, +1',2 (F.Zattera,Malo,Italy, 0,25m SCT+CCD,GSC)
May. 29.91, 13.0, +1'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 7',PA 195°, GSC)
May.29.92, 12.9,+1',4 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 2600:989)
May. 30.89, 12.9, +1'.2 (V.Savani,P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail15' PA209)
May.30.90, 13.2,+1',4 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 2600:737)
June 02.93, 13.1,+1',3 (L.Focardi, Italy, 0,08m refractor +CCD,GSC 2599:741)
June 11.87, 12.3, +1'.2 (R.Ligustri, F.Scarpa, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 10' PA 198)
June 13.87, 13.0, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 3', PA 170°, GSC)
June14.91, 12.8, +1'.2 (P.Beltrame, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 10' PA 202)
June18.86, 13.4, +1'.1 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 8' PA 198)
June 29.90, 13.5, +1',0 (V.Savani, G.Degano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
June 30.86, 13.9, +0'.9 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 2'.0, PA 145°, GSC)
July 05.87, 13.6, +1'.0 (V.Savani, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
July 10.87, 14.1, +1'.0 (R.Ligustri,M.Zorzenon, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
July 23.87, 14.8, +0',8 (R.Ligustri,G.Romano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, moonlight)
Aug. 02.89, 16.0, +0',2 (R.Ligustri,G.Degano,V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept.07.83, 17.1, +0',2 (R.Ligustri, V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)

COMET C/2000 SV74 (Linear)
Total-magnitude and coma diameter estimate :
2001
Oct. 12.85, 13.8, +0'.6 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Oct. 14.81, 13.7, +0'.6 (R.Ligustri,Talmassons,Italy,0,35m reflector+CCD,USNO A2.0)
Oct. 14.83, 14.1, +0.6'  (G. Sostero, Remanzacco, Italy, 0.3-m reflector +CCD + Johnson V filter)
Oct. 18.05, 14.1, +0.6' (G. Sostero, Remanzacco, Italy, 0.3-m reflector +CCD + Johnson V filter)
Oct. 22.78, 13.8, +0'.6 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Oct. 25.86, 13.9, +0.7' (G. Sostero, Remanzacco, Italy, 0.3-m reflector +CCD + Johnson V filter)
Oct. 25.89, 13.6, +0'.6 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Nov. 1.99, 14.0, +0.7' (G. Sostero, Remanzacco, Italy, 0.3-m reflector + CCD + Johnson V filter)
Nov. 3.87, 13.7, +0'.6 (R. Ligustri,Talmassons,Italy,0.35-m reflector+CCD,USNO A2.0)
Nov. 4.76, 14.0, +0.7' (G. Sostero, Remanzacco, Italy, 0.3-m reflector +CCD + Johnson V filter)
Nov. 17.01, 13.7, +0'.6 (P.Beltrame,V.Savani,Talmassons,Italy,0.35-m reflector+CCD,USNO A2.0)
Nov. 20.87, 13.8, +0'.6 (R.Ligustri,Talmassons,Italy,0,35m reflector+CCD,USNO A2.0)
Nov. 24.00, 13.8, +0'.6 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Dec. 12.80, 15.1, +0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Dec. 16.02, 15.3, +0'.2 (P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
2002
Jan. 02.74, 15.0, +0'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan  03.75, 15.0, +0'.3 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 08.81, 15.0, +0'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan  11.77, 15.5, +0'.2 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 11.90, 15.3, +0'.2 (P.Beltrame,M.Narduzzi,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Feb. 07.77, 14.9, +0'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Feb. 10.77, 14.3, +0'.6 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD, hazy)
Mar. 09.79, 15.8, +0'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Mar.11.84, 14.8, +0'.6 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD + Johnson V filter; ref. star GSC 412 737);
Mar.11.85, 14.4, +0'.6 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD + Cousin R filter; ref. star GSC 412 737);
Mar.11.88, 13.8, +0'.6 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD + Cousin I filter; ref. star GSC 412 737);
July 07.89, 15.5, +0',2 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, coma 2')
Aug. 02.91, 15.3, +0',2 (R.Ligustri,G.Degano,V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept.07.79, 15.4, +0',2 (R.Ligustri, V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNOA2.0)
Sep. 30.77, 14.6, +0'.5 (G. Sostero, Remanzacco, Italy, 0.31-m Baker camera + CCD + Cousins I filter);
Sep. 30.79, 15.4, +0'.5 (G. Sostero, Remanzacco, Italy, 0.31-m Baker camera + CCD + Johnson V filter);

COMET P/2001MD7 (Linear)
Total-magnitude and coma diameter estimate :
2001
Dec. 16.73, 14.6, +1'.6 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 2' PA65,USNO A2.0)
Dec. 18.74, 14.4, +1'.0 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 2' PA63,USNO A2.0)
Dec. 18.79, 13.8, +0'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1'.5, PA70°, GSC)
Dec. 23.72, 13.4, +0'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 70°, GSC)
Dec. 28.76, 13.5, +0'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 70°, GSC)
2002
Jan. 01.72, 12.3, +1'.7 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 3' PA62,USNO A2.0)
Jan  01.72, 13.5, +0'.5 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 02.72, 12.6, +1'.7 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 3' PA65,USNO A2.0)
Jan. 04.72, 12.1, +1'.7 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 2.7' PA64,USNO A2.0)
Jan. 06.73, 12.3, +1'.7 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD)
Jan  08.72, 13.7, +0'.7 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 12.73, 12.1, +1'.5 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 2.5' PA68,USNO A2.0)
Jan. 17.76, 12.6, +1'.5 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 2.5' PA68,USNO A2.0)
Jan. 18.77, 12.9, +1'.5 (V.Savani, Talmassons, Italy, 0,35m reflector+CCD, tail 2.0' PA68,USNO A2.0)
Feb. 03.75, 13.4, +1'.4 (R.Ligustri,M.te Matajur,Italy, 0,20m reflector+CCD,USNO A2.0)
Feb. 07.77, 13.9, +1'.0 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Feb. 07.78, 12.9, +1'.4 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Feb. 24.80, 14.0, + 1'.4 (G. Sostero, Remanzacco, Italy,0.31-m + CCD; moonlight; coma elongated toward PA 72 deg,SAO110924)
Feb. 24.77, 13.7, +1'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,moonlight,USNO A2.0)
Mar. 08.81, 15.0, +0'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,GSC)
Mar. 09.78, 16.2, +0'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, antitail (?) 4' PA250, USNO A2.0)
Mar. 10.78, 16.5, +0'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Mar. 12.77, 16.3, +0'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)

COMET C/2001OG108 (Loneos)
Total-magnitude and coma diameter estimate :
2002
Feb. 07.76, 14.4, +0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Feb.10.74, 14.3, +1'.5 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD, hazy)
Feb.10.75, 12.2, +1'.3 (R. Ligustri,P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Feb.17.18, 11.2, +1'.6 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD, hazy, tail 0.8' in PA335);
Mar. 05.13, 11.6, + 1'.0 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD; USNO, tail 10-arcmin long in p.a. 334 deg)
Mar. 17.13,10.7, 1.'7, (Roberto Haver, Frasso Sabino, Italy, DC=2/3...37cmL 78x)
Mar. 23.09, 13.1, +1',0 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,bent tail 4' PA319)
Mar. 24.11, 11.3, +2'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD tail 5', PA 320°, GSC)
Apr. 01.87, 12.2, +3',0 (P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD, tail 2' PA312, USNO A2.0)
Apr. 02.79, 11.9, +3'.0 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 2' PA308,USNO A2.0)
Apr. 06.80, 11.2, 2' (Toni Scarmato, Calabria, Italy, 203 mm SC Telescope f/10, DC=1)
Apr. 11.07, 11.8,  +2'.0 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson V filter; elongated coma toward p.a. 104 deg)
Apr. 11.08, 11.9,  +2'.0 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin R filter);
Apr. 11.08, 11.5,  +2'.0 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin I filter);
Apr. 24.96, 13.5, +3'.6 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD, moonlight, USNO A2.0)
Apr. 27.83, 14.0, +1'.9 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Johnson B filter, moonlight);
Apr. 27.84, 13.0, +1'.9 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Johnson V filter; moonlight);
Apr. 27.85, 12.8, +1'.9 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Cousin R filter; moonlight);
Apr. 27.83, 12.9, +1'.9 (G. Sostero, Remanzacco, Italy,0.31-m + CCD + Cousin I filter, broad tail 4' long in p.a.90 deg; moonlight);
Apr. 28.83, 13.6, +1'.6, (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,tail 2', PA 110°, TYC)
May. 01.84, 12.6, +3'.0 (V.Savani,G.Degano,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
May 05.84,13.5, +1'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 2', PA 120°, TYC1959-1429-1)

COMET P/2001 Q2 (Petriew)
Total magnitude and coma-diameter estimates:
2001
Oct. 22.14, 14.3, +0'.5(D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 2', GSC)
Nov. 2.10, 14.0:, +1'.8 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD + Johnson V filter)

COMET P/2001Q6 (Neat)
Total-magnitude and coma diameter estimate :
2001
Oct. 14.85, 14.0, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Oct. 17.86, 14.2, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Nov. 04.77, 13.3, +0'.7 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 0'.5, PA 100°, GSC)
Nov. 20.77, 13.5, +0'.6 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 0'.5, PA 60°, GSC)
Nov. 20.88, 13.9, +0'.6 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,tail 1' PA59) USNO
Nov. 24.01, 13.9, +0'.6 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD)
Dec. 15.75, 13.9, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Dec. 16.75, 15.6, +0'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, tail 1' PA38)
Dec. 18.75, 15.8, +0'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD)
2002
Jan. 04.73, 16.4, +0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD)
Jan. 07.81, 16.4, +0'.2 (P.Beltrame, G.Degano,Talmassons,Italy, 0,35m reflector+CCD)
Jan. 11.88, 16.6, +0'.2 (P.Beltrame,M.Narduzzi,Talmassons,Italy, 0,35m reflector+CCD)
Jan. 17.77, 16.9, +0'.2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD)

COMET P/2001 TU80 (Linear-Neat)
Total-magnitude and coma diameter estimate :
2002
Jan. 08.88, 15.0, +0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD)
Jan. 09.86, 14.9, +0'.2 (V.Savani, M.Zorzenon,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan. 10.85, 15.2, +0'.2 (V.Savani, M.Russiani, Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan  10.92,  14.8 +0'.5 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan  13.97,  15.0 +0'.5 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Jan. 16.86, 15.6, +0'.2 (M.Zorzenon, G.Degano, Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Jan. 17.90, 15.5, +0'.2 (P.Beltrame, M.Russiani, Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
Feb. 07.91, 15.3, +0'.5 (D.Tirelli,Sossano,Italy,0,25m reflector+CCD)
Mar. 04.79, 16.3, +0.2 (R. Ligustri,G.Degano,Talmassons,Italy, 0,35m reflector+CCD
Mar. 04.95, 15.7, + 0'.9 (G. Sostero, Remanzacco, Italy, 0.31-m + CCD; USNO)
Mar. 08.85, 16.4, +0'.2 (V.Savani,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Mar. 09.81, 16.6, +0'.2 (R.Ligustri,V.Savani,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Mar. 11.82, 16.5, +0'.2 (V.Savani,L.Guatto,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Mar. 11.87, 16.0, +0'.8(D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
Mar. 12.80, 16.6, +0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)

COMET C/2001 HT50 (Linear-Neat)
Total-magnitude and coma diameter estimate:
2002
Mar. 20.89, 16.0, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD GSC,moonlight)
Apr. 02.84, 16.3, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
May 05.87,16.1, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,GSC)
Nov. 11.14, 14.0, +0'.5, (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,GSC)

COMET C/2001 N2 (Linear)
Total-magnitude and coma diameter estimate:
2002
June 13.91, 14.0, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, TYC 1582-1357-1)
June 17.93, 13.9, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, TYC 1580-2140-1)
June18.89, 15.1,+0'.2 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
June26.87, 14.9,+0'.2 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
June 29. 89, 14.0, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 160°, GSC)
July 04.86, 14.7, +0',2 (V.Savani, G.Degano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
July 07.85, 15.1, +0',2 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
July 07.91, 14.2, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 150°, GSC)
July 10.86, 15.3, +0'.2 (R.Ligustri,M.Zorzenon, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
July 11.95, 14.5, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 150°, GSC)
July 23.86, 14.9, +0',2 (R.Ligustri,G.Romano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, moonlight)
July 27.91, 14.6, +0',2 (V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Aug. 02.84, 14.9, +0',2 (R.Ligustri,G.Degano,V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)

COMET C/2001 RX14 (LINEAR)
Total magnitude and coma diameter estimate:
2002
Aug. 14.08, 14.8, +0',2 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 1.5' PA272)
Aug. 18.04, 14.3, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 290°, GSC)
Sept.07.94, 14.5, +0',2 (R.Ligustri, V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept 08.06, 13.8, +0'.7 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 4', PA 290°, GSC)
Sept.13.98, 14.5, +0',2 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 2' PA325)
Sept 15.06, 13.9, +0',7 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 5', PA 280°,TYC)
Oct. 01.95, 13.1, +1',0 (V.Savani, F.Scarpa,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 8' PA 291)
Oct. 14.17, 13.3, +0'.8 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 8', PA 295°, TYC)
Oct. 19.10, 13.1, +0'.9 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 8', PA 295°,TYC, moonlight)
Oct. 19.15, 12.1, +1'.0 (G. Sostero, Remanzacco, Italy, 0.45-m reflector + CCD; USNO; tail 13' long in PA 296 deg)
Oct. 20.00, 12.8, +1',0 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,GSC 3427 1089, tail 14' PA 298,moonlight)
Oct. 30.10, 12.5, +0'.9 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 10', PA 295°, GSC, hazy, moonlight)
Nov. 01.08, 12.9, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 10', PA 295°, TYC,)
Nov. 05.96, 12.4, +1',1 (R.Ligustri, F.Scarpa,Talmassons, Italy, 0,35m reflector+CCD,SAO 43157, tail 13' PA304)
Nov. 06.15, 12.0, +1'.1 (G. Sostero, Remanzacco, Italy,0.45-m reflector + CCD; tail 12' long in PA 301 deg;SAO27291)
Nov. 08.96, 12.6, +1',1 (V.Savani ,Talmassons, Italy, 0,35m reflector+CCD,GSC 3437 1064, tail 15' PA307)
Nov. 09.12, 13.1, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 10', PA 300°, GSC)
Nov. 09.12, 12.0, 3'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector, visual 100x, GSC)
Nov. 10.11, 13.6, +1'.2 (G. Sostero, Remanzacco, Italy,0.3m reflector + CCD + Johnson B filter)
Nov. 10.12, 12.8, +1'.2 (G. Sostero, Remanzacco, Italy,0.3m reflector + CCD + Johnson V filter)
Nov. 10.10, 12.5, +1'.2 (G. Sostero, Remanzacco, Italy,0.3m reflector + CCD + Cousins R filter)
Nov. 10.08, 12.0, +1'.2 (G. Sostero, Remanzacco, Italy,0.3m reflector + CCD + Cousins I filter)
Nov. 10.15, 12.4, +1'.2 (G. Sostero, Remanzacco, Italy,0.3m reflector + CCD; tail 12' long in PA305)
Nov. 11.10, 13.2, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 10', PA 300°, GSC)
Nov. 13.12, 12.1,~1'.0 (T.Scarmato, Calabria, Italy, 0,25m reflector, DC=5, tail ~3')
Nov. 16.91, 12.3, +0'.7 (G. Milani, Padova, Italy, 0.20-m CCD + Cousins I filter)
Nov. 18.04, 11.8, ~1' (T.Scarmato, Calabria, Italy, 0.25m reflector, no tail, intense moonlight)
Nov. 29.01, 11.6, ~2' (T.Scarmato, Calabria, Italy, 0.25m reflector, tail ~4')
Nov. 29.95, 12.1, +1',3 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD,GSC 3447 621, tail 9' PA 311)
Dec. 01.88, 11.8, +1',3 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD, USNO A2.0, tail 9' PA 312)
Dec, 02.07, 13.3, +1'.3 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Johnson B filter)
Dec, 02.05, 12.6, +1'.3 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Johnson V filter)
Dec, 02.06, 12.3, +1'.3 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+  Cousins R filter)
Dec, 02.06, 11.7, +1'.3 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Cousins I filter; bent tail 17'; long in PA313 deg)
Dec. 02.07, 12.4, +1'.1 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 10', PA 290°, GSC)
Dec. 02.07, 11.5, 3' (D.Tirelli, Sossano,Italy, 0,25m reflector, visual 60x,.GSC)
Dec. 08.92, 12.1, +1',4 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD, GSC 3451 222, tail 10' PA 313)
Dec. 10.91, 12.5, +1',4 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD, USNO A2.0 tail 12' PA 314)
Dec. 11.08, 13.1, +1'.4 (G. Sostero, Remanzacco, Italy, 0.3-m reflector + CCD + Johnson B filter);
Dec. 11.06, 12.3, +1'.4 (G. Sostero, Remanzacco, Italy, 0.3-m reflector + CCD + Johnson V filter);
Dec. 11.06, 11.8, +1'.4 (G. Sostero, Remanzacco, Italy, 0.3-m reflector + CCD + Cousins R filter; bent tail 18´ long in PA314);
Dec. 11.07, 11.3, +1'.4 (G. Sostero, Remanzacco, Italy, 0.3-m reflector + CCD + Cousins I filter);
Dec. 11.95, 11.5, ~2' (T.Scarmato, Calabria, Italy, 0.20m reflector, no tail, haze)
Dec. 27.91, 10.5, 3' (T. Scarmato, Calabria, Italy, 25 cm reflector, haze)

COMET C/2001 K5 (LINEAR)
Total magnitude and coma diameter estimates:
2002
Apr. 19.99, 15.0, +0'.5 (D. Carosati and G. Sostero,Armenzano, Italy, 0.4-m + CCD; tail 1.7' long in p.a. 212 deg);
Apr. 24.96, 14.4, +0',2 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD,Moonlight, USNO A2.0)
May. 01.87, 14.2 +0'.2 (V.Savani,G.Degano,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail 1.5' PA220)
May. 06.92, 14.4,+0'.2 (V.Savani,G.Degano,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail 1.0' PA218)
May. 15.86, 14.5,+0'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail 1.5' PA212)
May 15.91, 14.0, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1'.5, PA 210°, TYC)
May 17.91, 13.9, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1',5, PA 210°, USNO)
May. 29.94, 14.4, +0',4 (F.Zattera,Malo,Italy, 0,25m SCT+CCD, USNO A2.0)
May. 29.89, 14.5, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1',PA 190°, TYC)
May. 30.92, 14.5,+0'.2 (V.Savani,P.Beltrame,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail 1.5' PA206)
June11.86, 14.3,+0'.2 (R.Ligustri, F.Scarpa, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,tail 2' PA 201)
June 12.89, 14.0, +0'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 2', PA 170°, GSC)
June18.88, 14.4,+0'.2 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,tail 2' PA 205)
June26.86, 14.5,+0'.2 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,tail 1.5' PA 200)
June 29.87, 14.5, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 2', PA 140°, GSC)
July 07.86, 14.1,+0'.2 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,tail 1.5' PA 195)
July 07.88, 14.5, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 2', PA 180°, GSC)
July 10.88, 14.6, +0'.2 (R.Ligustri,M.Zorzenon, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,tail 1.5' PA 201)
July 10.88, 14.6, +0'.2 (R.Ligustri,M.Zorzenon, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0,tail 1.5' PA 201)
July 11.92, 14.7, +0'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 2', PA 190°, TYC)
July 23.87, 14.5,+0'.2 (R.Ligustri,G.Romano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, moonlight)
July 27.92, 14.6,+0'.2 (V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Aug. 02.85, 14.6, +0',2 (R.Ligustri,G.Degano,V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 1.5' PA195)
Aug. 12.87, 14.6, +0',2 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 1.5' PA195)
Aug. 30.82, 14.5, +0',2 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0 )
Sept.07.83, 14.6, +0',2 (R.Ligustri, V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept 09.87, 14.2, +0'.4 (D.Tirelli , Sossano, Italy, 0,25m reflector+CCD, tail 2', PA 180°, USNO A2)
Sept.14.82, 14.6, +0',2 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 1.5' PA188)
Sept.29.78, 14.6, +0',2 (R.Ligustri,P.Brunato,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 1.5' PA198)
Nov. 08.76, 14.5, +0',5 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 1,5' PA211)

COMET C/2002 E2 (Snyder-Murakami)
Total-magnitude and coma diameter estimate:
2002
Mar. 21.14, 11.4, +1'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD tail 3', PA 220°, GSC, hazy)
Mar. 23.13, 12.8, +0',8 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD)
Mar. 24.13, 11.2, +1'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD tail 3', PA 270°, GSC)
Apr. 02.03, 12.4, +1',5 (R. Ligustri,Talmassons,Italy, 0,35m reflector+CCD, USNO A2.0)
Apr. 11.11, 11.7, +1'.7 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson V filter; elongated coma toward p.a. 246 deg);
Apr. 11.11, 11.6, +1'.7 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin R filter);
Apr. 11.11, 10.9, +1'.7 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin I filter);
Apr. 24.99, 12.3, +1'.6 (Lorenzo Focardi, Italy, 0,75m refractor +CCD,GSC 3555 301)
Apr. 24.99, 11.9, +1'.5 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD, moonlight, USNO A2.0)
May.01.96, 12.7, +1',5 (L.Focardi, Italy, 0,08m refractor +CCD,GSC  3933:1781)
May.01.85, 11.7, +1'.4 (V.Savani,G.Degano,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
May.05.90,12.7, +1',5 (L.Focardi, Italy, 0,08m refractor +CCD,GSC  4227:986)
May.06.92,12.7, +1',5 (L.Focardi, Italy, 0,08m refractor +CCD,GSC  4221:1152)
May 13.91,13.4, +1'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 5', PA 235°, HIP)
May. 15.83, 12.7, +1'.2 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
May. 29.85, 13.7, +1'.0 (R.Ligustri,M.Zorzenon,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0, tail 10' PA208)
May. 29.98, 13.8, +1',2 (L.Focardi, Italy, 0,08m refractor +CCD,GSC  4574:108)
May. 30.90, 13.7, +1'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 5',PA 205°, TYC)
June11.93, 14.2, +1'.1 (R.Ligustri, F.Scarpa, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 10' PA180)
June12.90, 13.8, +1',1 (M.Zorzenon, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 10' PA 180)
June17.90, 14.0, +1',1 (G.Degano,V.Savani, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 10' PA 167)
June20.89, 14.3, +1',0 (G.Degano,V.Savani, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 8' PA 161)
June 30.89, 15.0, +0'.8 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1'.0, PA 110°, TYC)
July 07.88, 14.3, +1',0 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Aug. 02.90, 16.5, +0',2 (R.Ligustri,G.Degano,V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)

COMET C/2002F1 (Utsunomiya)
Total-magnitude and coma diameter estimate :
2002
Apr. 11.13, 6.0, +3'.8 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson B filter; twilight);
Apr. 11.13, 5.2, +3'.8 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Johnson V filter; tail about 0.5 deg in p.a. 317 deg, twilight);
Apr. 11.13, 4.7, +3'.8 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin R filter, twilight);
Apr. 11.13, 4.3, +3'.8 (G. Sostero, Remanzacco, Italy,0.31-m reflector + CCD + Cousin I filter, twilight);
Apr. 27.81, 4.7, 5' (D.Tirelli, Sossano, Italy, 7x50 binocular, tail 1°,DC 6, PA 35°, HIP 15549)
Apr. 28.78, 4.8, 3' (A. Giambersio, Potenza, Italy, 16x70, binoculars, cirruses and low altitude)
Apr. 30.81, 5.0, +5'.0 (D.Tirelli, Sossano, Italy, 0,05m refractor+CCD,tail 40', PA 55°, HIP)
Apr. 30.81, 4.9, 5' (R. Haver, Frasso Sabino, Italy, 10x50 binoculars;0.5-deg tail in p.a. 30 deg);
May 01.79, 5.2, 3' (A. Giambersio, Potenza, Italy, 16x70, binoculars, low altitude)
May 01.80, 4.5, 7'; (S. Checcucci, Foligno, Italy, 20x60 binoculars, TT, corrected for atmospheric extinction)
May 05.81,6.4, +5'.0 (D.Tirelli, Sossano, Italy, 0,08m refractor+CCD, tail 40', PA 70°, HIP 20087)

COMET C/2002 H2 (Linear)
Total-magnitude and coma diameter estimate :
2002
May 05.91, 12.3, +1'.5 (D.Tirelli, Sossano, Italy,0,25m reflector+CCD,tail 3’, PA 240°, TYC)
May 13.94,12.5, +1'.5 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
May. 15.85, 13.0, +1'.5 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
May 17.96, 13.1, +1'.4 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
May. 29.84, 13.6, +1'.3 (R.Ligustri,M.Zorzenon,Talmassons,Italy, 0,35m reflector+CCD,USNO A2.0)
May. 29.93, 14.8, +0',9 (F.Zattera,Malo,Italy, 0,25m SCT+CCD, USNO A2.0)
May. 30.92, 13.5, +1'.2 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, GSC)
June11.88, 13.5, +1'.3 (R.Ligustri, F.Scarpa, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)

COMET C/2002 O4 (Hoenig)
Total-magnitude and coma diameter estimate :
2002
July. 28.84, 12.0, +1',1 (R.Ligustri, G.Degano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
July. 31.93, 9.0 ~10' (Toni Scarmato, Calabria, Italy, 203 mm SCT, f/10, 70x)
Aug. 01.92, 8.9 ~12' (Toni Scarmato, Calabria, Italy, 203 mm SCT, f/10, 70x)
Aug. 02.88, 11.1, +1',6 (R.Ligustri,G.Degano,V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Aug. 02.93, 8.7 ~14' (Toni Scarmato, Calabria, Italy, 203 mm SCT, f/10, 70x)
Aug. 03.91, 8.7 ~12' (Toni Scarmato, Calabria, Italy, 203 mm SCT, f/10, 70x)
Aug. 05.93, 8.5 ~10' (Toni Scarmato, Calabria, Italy, 203 mm SCT, f/10, 70x)
Aug. 06.96, 7.7 ~20' (Toni Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 07.83, 7.8, 15' (Toni Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 07.89, 7.9, 13' (R. Haver, Frasso Sabino, Italy, 10x50 binoculars)
Aug. 07.98, 8.9, 20' (Massimiliano Martignoni, Magnago -MI-, 20x80 binoculars)
Aug. 08.93, 7.4, 18' (Toni Scarmato, Calabria, Italy, 20x50 binoculars)
Aug. 09.89, 7.8, 12' (R. Haver, Capracotta, Italy, 10x50 binoculars)
Aug. 09.96, 7.2, 13' (Toni Scarmato,Calabria, Italy, 20x50 binoculars)
Aug. 11.83, 8.5, 5' (A. Giambersio, Metaponto, Italy, 16x70, binoculars)
Aug. 12.79, 8.3, 7' (A. Giambersio, Metaponto, Italy, 16x70, binoculars)
Aug. 12.90, 10.5, +2',7 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 8.0' PA181)
Aug. 12.90, 8.8, 20' (Massimiliano Martignoni, Magnago -MI-,Italy, 20x80 binoculars)
Aug. 13.04, 7.0, 15' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 13.87, 7.0, 15' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 13.92, 7.6, 11' (R. Haver, Capracotta, Italy, 10x50 binoculars)
Aug. 14.04, 10.0, +3',5 (R.Ligustri,Talmassons,Italy, 0,35m reflector+CCD,SAO 9961, tail 11.0' PA175)
Aug. 14.88, 7.0, ~12' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 15.83, 8.2, 8' (A. Giambersio, Metaponto, Italy, 16x70, binoculars)
Aug. 15.84, 9.6, +3',5 (V.Savani,Talmassons, Italy, 0,35m reflector+CCD,SAO 9532, tail 12.0' PA158)
Aug. 15.88, 7.2, ~14' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 15.91, 7.4, 8' (R. Haver, Capracotta, Italy, 10x50 binoculars)
Aug. 18.87, 6.9, 15' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 18.87, 9.6, +3',4 (P.Beltrame,Talmassons, Italy, 0,35m reflector+CCD,SAO 9060, tail 8.0' PA123)
Aug. 19.88, 6.8, 15' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 19.97, 9.7, +3',4 (G.Degano ,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 10' PA104)
Aug. 22.87, 10.1, +3',2 (R.Ligustri, G.Degano,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 8.0' PA86 moonlight)
Aug. 23.79, 7.1, 12' (T. Scarmato, Calabria, Italy, 7x50 binoculars, moonlight)
Aug. 24.83, 7.2, 12' (T. Scarmato, Calabria, Italy, 7x50 binoculars, moonlight)
Aug. 25.87, 7.4, 10' (T. Scarmato, Calabria, Italy, 7x50 binoculars, haze, moonlight)
Aug. 26.81, 7.3, 12' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 27.94, 7.4, 10' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 29.88, 8.5, 8' (Michele Martellini, Passo Croce di Stazzema -LU-Italy; 15x80 binoculars; D.C. 2/3)
Aug. 30.79, 7.4, 12' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Aug. 30.84, 7.8, 8' (R. Haver, Frasso Sabino, Italy, 10x50 binoculars)
Aug. 30.86, 10.4, +2',8 (R.Ligustri, G.Degano,Talmassons, Italy, 0,35m reflector+CCD,GCS 4170 543, tail 6.0' PA58)
Sept. 01.93, 7.2, 12' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Sept. 02.81, 7.3, ~10' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Sept. 03.82, 7.4, ~10' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Sept. 05.81, 7.4, ~12' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Sept. 06.86, 10.4, +2',5 (P.Beltrame, L.Guatto,Talmassons, Italy, 0,35m reflector+CCD,GCS 3846 720, tail 6.0' PA50)
Sept. 07.79, 10.4, +2',5 (R.Ligustri, V.Savani,Talmassons, Italy, 0,35m reflector+CCD,GCS 3846 374, tail 5.0' PA48)
Sept. 07.86, 10.9, +2'.3 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 5', PA 35°, TYC)
Sept. 09.79, 7.3, ~13' (T. Scarmato, Calabria, Italy, 7x50 binoculars)
Sept. 11.80, 9.9, +2'.1 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 5', PA 35°,GSC)
Sept. 12.87, 7.9, 8' (T. Scarmato, Calabria, Italy, 20.3 cm SCT)
Sept.14.81, 10.5, +2',2 (R.Ligustri, Talmassons, Italy, 0,35m reflector+CCD,SAO 44375, tail 5.0' PA45)
Sept 18.80, 8.4, 10' (T. Scarmato, Calabria, Italy, 20.3 cm SCT)
Sept.28.76, 11.5, +2',0 (R.Ligustri,L.Guatto, Talmassons, Italy, 0,35m reflector+CCD,GSC 2530 1851, weak nucleus)
Sept.29.78, 13.7, +2',0 (R.Ligustri,P.Brunato, Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, faint nucleus)
Sep. 30.75, 12.9:, +1'.85 (G. Sostero, Remanzacco, Italy, 0.31-m Baker camera + CCD + Cousins I filter)
Oct. 01.75, 12.5, +2',0 (R.Ligustri,L.Guatto, Talmassons, Italy, 0,35m reflector+CCD,GSC 2530 2298, faint nucleus)

COMET C/2002 O6
Total-magnitude and coma diameter estimate :
2002
Aug. 08.09 , 6.3, 8', (A.Aletti, Varese, Italy,20x80 Binoculars)
Aug. 08.12 , 6.5, 5', (S.Baroni, Milano, Italy,7x50 Binoculars)
Aug.14.09, 10.6, +4',0 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 15.0' PA285)

COMET C/2002 Q2
Total-magnitude and coma diameter estimate :
2002
Sep. 29.89, ]15, - (G. Sostero, Remanzacco, Italy,0.31-m Baker camera + CCD + Cousins I filter);
Sep. 29.88, ]15, - (G. Sostero, Remanzacco, Italy,0.31-m Baker camera + CCD + Johnson V filter);

COMET C/2002 Q5
Total-magnitude and coma diameter estimate :
2002
Sept.07.85, 15.5, +0',2 (R.Ligustri, V.Savani,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept 09.83, 13.6, +2'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,GSC)
Sept 11.83, 13.5, +1'.9 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,GSC)
Sept.13.93, 15.3, +0',2 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Sept.28.81, 15.1, +0',2 (R.Ligustri,L.Guatto,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Oct. 01.84, 13.7, +1',0 (R.Ligustri,L.Guatto,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)

COMET C/2002 T7 (LINEAR)
Total magnitude and coma-diameter estimates:
2002
Nov. 05.93, 16.5, -- (G. Sostero, Remanzacco, Italy,0.45-m reflector + CCD; stellar aspect; GSC1875 2160)
Nov. 16.86, 15.6, +0'.5 (G. Milani, Padova, Italy, 0.20-m CCD + Cousins I filter)
Nov. 29.90, 16.5, +0'.3 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,GSC)
Dec. 01.84, 16.5, +0',2 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Dec. 01.86, 15.7, +0'.3 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD,GSC)
Dec. 10.87, 16.1, +0',2 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)

COMET C/2002 U2 (Linear)
Total-magnitude and coma diameter estimate :
2002
Oct. 29.83, 14.0, +1'.9 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 290°, GSC)
Oct. 31.94, 13.7, +1'.9 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 2', pA 290°, GSC)
Nov. 05.89, 14.8, +1',2 (R.Ligustri, F.Scarpa,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 1,0' PA318)
Nov. 08.88, 14.5, +2'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, tail 1', PA 300°, GSC)
Nov. 08.99, 14.4, +1',2 (R.Ligustri,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0, tail 1,0' PA331)
Nov. 10.76, 14.2, +2'.0 (D.Tirelli, Sossano, Italy, =,25m reflector+CCD, tail1', PA 10°, GSC)

COMET C/2002 V1 (Neat)
Total-magnitude and coma diameter estimate :
2002

Nov. 16.88, 14.3, +0'.5 (G.Milani, Padova, Italy, 0.20-m CCD + Cousins I filter)
Nov. 29.86, 12.6, +2'.0 (D.Tirelli, Sossano, Italy, 0,25m reflector+CCD, TYC)
Nov. 29.92, 12.9, +2',3 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Dec. 01.77, 14.0, +0'.5 (G.Milani, Padova, Italy 0.20-m reflectod + CCD + I filter)
Dec. 01.83, 12.3, +2'.0, (D.Tirelli, Sossano,Italy, 0,25m reflector+CCD,GSC)
Dec. 01.85, 12.6, +2',4 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Dec. 01.97, 12.4, +2'.4 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Cousins I filter)
Dec. 01.99, 12.6, +2'.4 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Cousins R filter)
Dec. 02.01, 12.6, +2'.4 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Johnson V filter)
Dec. 06.85, 12.1, +2'.6 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Cousins I filter)
Dec. 06.86, 12.2, +2'.6 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Johnsons V filter)
Dec. 06.95, 13.0, +1.0 (G.Milani, Padova, Italy 0.20-m reflectod + CCD + I filter)
Dec. 08.81, 12.2, +2',7 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Dec, 08.82, 12.5, +2'.6 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Johnson B filter)
Dec, 08.89, 12.0, +2'.6 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Johnson V filter)
Dec, 08.83, 12.2, +2'.6 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Cousins R filter)
Dec, 08.80, 12.2, +2'.6 (G.Sostero, Remanzacco, Italy, 0,3m reflector+CCD+ Cousins I filter)
Dec. 10.86, 12.0, +2',7 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD,USNO A2.0)
Dec. 10.94, 12.5, +2'.7 (G. Sostero, Remanzacco, Italy, 0.3-m reflector + CCD + Johnson B filter);
Dec. 10.96, 12.0, +2'.7 (G. Sostero, Remanzacco, Italy, 0.3-m reflector + CCD + Johnson V filter);
Dec. 10.97, 12.4, +2'.7 (G. Sostero, Remanzacco, Italy, 0.3-m reflector + CCD + Cousins R filter);
Dec. 10.93, 12.0, +2'.7 (G. Sostero, Remanzacco, Italy, 0.3-m reflector + CCD + Cousins I filter);
Dec. 11.90, 11.2, ~1' (T.Scarmato, Calabria, Italy, 0.20m reflector, no tail, haze)
Dec. 26.77, 8.0, 12' (T. Scarmato, Calabria,Italy,7x50B)
Dec. 26.77, 8.4, 15' (T. Scarmato, Calabria, Italy, 25cm reflector, tail 40')
Dec. 27.76, 8.0, 13' (T. Scarmato, Calabria, Italy,7x50B, haze)
Dec. 29.71, 10.1,+2',6 (R.Trabatti, Chignolo Po, Italy, 0.28m reflector +CCD,SAO 92250)
Dec. 29.72, 7.8, 15' (T. Scarmato, Calabria, Italy, 7x50B)
Dec. 29.85, 8.6, 8' (F. Zucconi, Lodi, Italy,10x70B, In-Out Method, G.C. 2/)

COMET C/2002 X5 (Kudo-Fujikawa)
Total-magnitude and coma diameter estimate :
2002
Dec. 17.20, 6.5, 6' (T.Scarmato, Calabria, Italy, 7x50B, no tail, haze)
Dec. 17.70, 6.7, 5' (T.Scarmato, Calabria, Italy, 7x50B, no tail, moonlight)
Dec. 18.70, 7.7, 4' (D.Tirelli, Sossano, Italy, 0,25m reflector, 100X visual, moonlight)
Dec. 18.71, 10.1, +2',1 (R.Ligustri ,Talmassons, Italy, 0,35m reflector+CCD,GSC 3067 446,tail 9' PA338, moonlight)
Dec. 19.77, 6.6, 8' (T.Scarmato, Calabria, Italy, 8 cm refractor, no tail, intense moonlight)
Dec. 20.75, 6.8, 6' (T.Scarmato, Calabria, Italy, 8 cm refractor, no tail, moonlight)
Dec. 21.70, 6.4, 10' (T.Scarmato, Calabria, Italy, 7x50B, tail=10')
Dec. 27.73, 6.5, 7' (T. Scarmato, Calabria, Italy, 7x50B, no tail, haze)
Dec. 29.73, 7.1, 8' (F. Zucconi, Lodi, Italy, Binocular 10x70)
Dec. 30.22, 6.3, 5', (S.Baroni, Milan, Italy, 20x80 Binoculars)

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