STIME DI MAGNITUDINE DEL 2006
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 4P/ Faye Total magnitude and coma diameter estimate: 2006 May. 30.40, 15.5, +0'.5 (E. Guido and G. Sostero, remotely near Mayhill, Nm, 0.25-m reflector + CCD; tail 20" in PA 232) Jun. 11.43, 15.5, +0'.5 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m reflector + CCD) Jun. 12.06, 15.4, +0'.5 (G. Sostero and E. Guido, Remanzacco, Italy, 0.25-m reflector + CCD) Jun. 13.06, 15.0, +0'.5 (G. Sostero, E. Guido, Remanzacco, Italy, 0.25-m reflector + CCD; haze + twilig) Jul. 21.99, 13.6, +1'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Jul. 23.35, 14.0, +0'.8 (E. Guido and G. Sostero, remote lynear Mayhill, NM, 0.25-m reflector + CCD + Cousins R filter) Aug. 22.92, 12.8, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Sep. 17.36, 11.7, +2'.7 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD + Cousins R filter) Oct. 18.40, 10.4, +3.3' (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD + Cousins R filter); Nov. 14.35, 9.8, +3'.2 (E. Guido and G. Sostero, near Mayhill, NM, 25-cm reflector + CCD); COMET 29P/ S.W. 1 Total magnitude and coma diameter estimate: 2006 Jan. 13.77, 15.4, +0'.7 (M. and V. Gonano, Remanzacco, Italy, 0.25-m refl.+ CCD) Jan. 13.77, 16.0, +0'.2 (M. and V. Gonano, Remanzacco, Italy, 0.25-m refl.+ CCD) Jan. 13.84, 14.9, +0'.9 (E.Bryssinck, Brixis-observatory, Belgium, 0.28-m refl.+ CCD + Cousins R) Jan. 19.81, 15.6, +0'.7 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) Jan. 20.75, 15.3, +0'.7 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) Jan. 20.87, 15.0, +1'.0 (E.Bryssinck, Brixis-observatory, Belgium, 0.28-m refl.+ CCD + Cousins R) Jan. 22.74, 15.0, +0'.9 (G. Sostero, Remanzacco, Italy, 0.25-m refl.+ CCD) Jan. 22.75, 15.2, +0'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Jan. 23.63, 14.6, +0'.7 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) Jan. 23.84, 14.3, +0'.5 (G.Degano, Talmassons, Italy, 0.35m reflector + CCD) Jan. 24.78, 14.0, +0'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Jan. 25.74, 14.3, +0'.7 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) Jan. 27.68, 14.2, +0'.9 (E.Bryssinck, Brixis-observatory, Belgium, 0.28-m refl.+ CCD + Cousins R) Jan. 28.87, 14.1, +0'.9 (E.Bryssinck, Brixis-observatory, Belgium, 0.28-m refl.+ CCD + Cousins R) Jan. 29.43, 14.9, +0'.5 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m refl.+ CCD + Cousins R filter) Jan. 29.82, 14.4, +0'.9 (E.Bryssinck, Brixis-observatory, Belgium, 0.28-m refl.+ CCD + Cousins R) Jan. 30.84, 14.4, +1'.0 (E.Bryssinck, Brixis-observatory, Belgium, 0.28-m refl.+ CCD + Cousins R) Feb. 01.73, 14.6, +0'.7 (T. Scarmato, Calabria, Italy, 0.25m reflector+CCD unfiltered) Feb. 01.87, 14.2, +0'.5 (R.Turchetti, Talmassons, Italy, 0.35m reflector + CCD + Rc) Feb. 02.74, 14.8, +0'.7 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) Feb. 03.76, 14.8, +0'.7 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered; moonlight) Feb. 05.77, 14.1, +1'.0 (G. Sostero and S. Garzia, Remanzacco, Italy, 0.25-m refl.+ CCD + Cousins R filter) Feb. 13.76, 14.6, +0'.7 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered; moonlight) Feb. 19.79, 14.0, +0'.7 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) Mar. 03.76, 13.6, +0'.7 (T.Scarmato, Calabria, Italy, 0.25-m reflector + CCD; moonlight) Mar. 07.80, 13.7, +0'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Mar. 16.77, 13.8, +0'.6 (T. Scarmato, Calabria, Italy, 0.25 m reflector + CCD unfiltered) Mar. 17.76, 13.8, +0'.6 (T. Scarmato, Calabria, Italy, 0.25 m reflector + CCD unfiltered) Mar. 18.79, 13.2, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Mar. 21.78, 13.8, +0'.6 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) Mar. 27.75, 14.4, +0'.6 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) Mar. 31.76, 14.6, +0'.6 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) Apr. 02.78, 14.7, +0'.6 (T. Scarmato, Calabria, Italy, 0.25-m reflector+CCD unfiltered) Aug. 28.38, 13.7, +2'.7 (E. Guido and G. Sostero, remotely near Mayhill, NM, 0.25-m reflector + CCD) Aug. 31.37, 14.4, +0'.4 (E. Guido and G. Sostero, remotely near Mayhill, NM, 0.25-m reflector + CCD + Cousins R) Sep. 01.34, 14.4, +0'.4 (E. Guido and G. Sostero, remotely near Mayhill, NM, 0.25-m reflector + CCD + Cousins R) Sep. 06.43, 13.9, +0'.4 (E. Guido and G. Sostero, remotely near Mayhill, NM, 0.25-m reflector + CCD + Cousins R) Sep. 17.38, 14.7, +0'.4 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD + Cousins R filter) Oct. 02.42, 13.5, +1'.3 (E. Guido and G. Sostero, remotely near Mayhill, NM, 0.25-m reflector + CCD + Cousins R) Oct. 18.38, 13.6, +0'.9 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD + Cousins R filter); COMET 32P/ Comas-Sola Total magnitude and coma diameter estimate: 2006 Feb. 06.44, 15.9, +0'.4 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD + Cousins R filter) Feb. 07.12, 15.8, +0'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Mar. 05.37, 16.9, +0'.4 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) COMET 41P/ Tuttle-Giacobini-Kresak Total magnitude and coma diameter estimate: 2006 Mar. 12.12, 17.3, +0'.3 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector) Mar. 18.82, 18.0, +0'.2 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Mar. 19.83, 16.7, +0'.3 (G. Sostero and E. Guido, Remanzacco, Italy, 0.25-m reflector + CCD) Mar. 23.77, 15.2, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Apr. 02.80, 17.8, +0'.3 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD) Apr. 07.79, 14.8, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) May. 03.82, 13.0, +1'.8 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) May. 11.80, 12.3, +1.8' (T.Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfiltered) May. 18.81, 11.7, +1.8' (T.Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfiltered) May. 22.88, 12.8, +1'.0 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) May. 28.83, 10.5, 5' (T.Scarmato, Calabria, Italy, 0.25 - m reflector) May. 28.83, 10.9, +3.9' (T. Scarmato, Calabria, Italy, 0.08 - m refractor + CCD unfiltered) Jun. 09.85, 12.0, +2'.3 (A. Lepardo and V. Santini, Remanzacco, Italy, 0.25-m reflector + CCD + Cousins R filter) Jun. 12.87, 13.0, +1'.2 (G. Sostero, E. Guido and A. Lepardo, Remanzacco, Italy, 0.25-m reflector + CCD + Rc_filter) Jun. 14.83, 11.3, +1' (T.Scarmato Calabria, Italy, 0.25-m reflector + CCD + R Cousins Filter) Jun. 14.85, 11.3, +1' (T.Scarmato Calabria, Italy, 0.25-m reflector + CCD Unfilter) Jun. 14.87, 12.5, +1'.2 (G. Sostero and E. Guido, Canebola, Italy, 0.15-m reflector + CCD) Jun. 15.89, 12.1, +1'.2 (G. Sostero and E. Guido, Mt. Matajur, Italy, 0.15-m reflector + CCD) Jun. 17.18, 12.7, +1'.2 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m reflector + CCD) Jun. 21.84, 11.6, +1.8' (T.Scarmato Calabria, Italy, 0.25-m reflector + CCD unfiltered) Jun. 24.82, 11.8, +1.8' (T.Scarmato Calabria, Italy, 0.25-m reflector + CCD unfiltered) Jul. 02.17, 12.2, +2'.4 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Jul. 17.81, 11.7, +2.1' (T.Scarmato Calabria, Italy, 0.25-m reflector + CCD unfiltered) Jul. 20.83, 12.1, +2.1' (T.Scarmato Calabria, Italy, 0.25-m reflector + CCD unfiltered) COMET 71P/ Clark Total magnitude and coma diameter estimate: 2006 Mar. 26.42, 14.5, +0'.2 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) May. 29.43, 11.9, +1'.8 (E. Guido and G. Sostero, remotely near Mayhill, NM, 0.25-m reflector + CCD + R filter) May. 30.47, 11.9, +1'.8 (E. Guido and G. Sostero, remotely near Mayhill,Nm, 0.25-m reflector + CCD + Cousins R filter) Jun. 02.43, 11.5, +1'.8 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD + Cousins R filter) Jun. 08.41, 11.7, +1'.8 (E. Guido and G. Sostero, remotely near Mayhill, Nm, 0.25-m reflector + CCD + Cousins R filter) Jul. 02.49, 10.9, +1'.9 (E. Guido and G. Sostero, near Brisbane, Australia, 0.15-m reflector + CCD) COMET 73P/ S.W. 3 (fragment C) Total magnitude and coma diameter estimate: 2006 Jan. 09.12, 15.1, +1'.2 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD, tail 1', PA 280°) Jan. 09.14, 15.1, +1'.4 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Jan. 10.19, 14.8, +1'.4 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Jan. 11.17, 14.9, +1'.4 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Jan. 15.05, 14.7, +1'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD, Rc filter) Jan. 31.14, 14.3, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc, tail 2', PA 285) Jan. 31.15, 14.7, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Vj) Feb. 02.14, 14.3, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc, tail 3' PA 288) Feb. 04.07, 14.3, +1'.0 (R.Turchetti, Talmassons, Italy, 0.35m reflector + CCD + Rc, tail 3'PA 291) Feb. 04.08, 14.2, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter, tail 1', PA 280°) Feb. 06.41, 14.3, +1'.0 (E. Guido and G. Sostero, near Mayhill, GA, 0.25-m refl.+ CCD + Cousins R filter) Feb. 07.00, 14.3, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Feb. 07.16, 14.1, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Feb. 07.17, 14.5, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Vj) Feb. 07.42, 14.0, +1'.3 (E. Guido and G. Sostero, near Mayhill, GA, 0.25-m refl.+ CCD) Feb. 26.39, 12.9, +1'.4 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD + R_c filter) Feb. 27.95, 12.1, +1'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Feb. 28.39, 12.3, +2'.6 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD + R_c filter) Mar. 03.92, 11.8, +2'.8 (T.Scarmato, Calabria, Italy, 0.25-m reflector + CCD) Mar. 05.40, 11.8, +3'.2 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Mar. 07.08, 12.3, +1'.5 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Mar. 07.92, 11.6, +3'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Mar. 07.92, 12.3, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + S filter) Mar. 12.12, 11.9, +1'.6 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Mar. 19.87, 10.9, +3'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + filter Rc) Mar. 23.90, 11.1, +1'.0 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Mar. 26.42, 10.3, +1'.3 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Mar. 27.89, 10.5, +2'.9 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfiltered) Mar. 31.88, 10.2, +2'.9 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfiltered) Mar. 31.88, 9.5, 6' (T. Scarmato, Calabria, Italy, 20x90 binoculars) Apr. 01.94, 9.4, 8' (T. Scarmato, Calabria, Italy, 20x90 binoculars) Apr. 02.35, 9.6, +3'.6 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Apr. 02.87, 10.0, +2'.9 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfiltered) Apr. 04.85, 9.4, +4'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Apr. 07.04, 9.7, +4'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Apr. 07.05, 10.2, +4'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Vj) Apr. 07.88, 9.7, +1'.6 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 07.98, 9.2, +4'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Apr. 08.87, 9.1, +4'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Apr. 09.81, 9.2, +2'.9 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD + R Cousins Filter) Apr. 13.93, 9.2, +1'.8 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 22.03, 9.0, +1'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 23.91, 8.9, +1'.4 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 24.84, 8.0, 8', (DC=5...10x50B...Virgilio Gonano(Subit,Italy) Apr. 24.88, 8.1, +2'.9 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD + R Cousins Filter) May. 01.00, 8.5, +1'.0 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) May. 01.86, 6.8, 14', (T. Scarmato, Calabria, Italy, 7x50 binoculars) May. 01.83, 6.7, 15', (T. Scarmato, Calabria, Italy, 20x90 binoculars) May. 03.88, 8.3, +1'.2 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) May. 06.90, 6.7, +8.6' (T. Scarmato, Calabria, Italy, 0.25-m reflector + CCD + R Cousins Filter) May. 08.96, 6.7, +8.6' (T. Scarmato, Calabria, Italy, 0.25-m reflector + CCD + R Cousins Filter) May. 10.99, 6.3, 12', (T. Scarmato, Calabria, 20x90 binoculars) May. 11.97, 6.2, 14', (T. Scarmato, Calabria, 20x90 binoculars) May. 11.97, 6.4, +8.6' (T. Scarmato, Calabria, 0.25 - m reflector + CCD + R Cousins Filter) May. 14.06, 6.2, 12', (T. Scarmato, Calabria, 20x90 binoculars) May. 14.02, 6.5, +8.6' (T. Scarmato, Calabria, 0.25 - m reflector + CCD + R Cousins Filter) May. 19.10, 6.6, +8.6' (T. Scarmato, Calabria, 0.25 - m reflector + CCD + R Cousins Filter) Jul. 02.68, 10.3, +2'.8 (E. Guido and G. Sostero, near Brisbane, Australia, 0.15-m reflector + CCD) Sep. 19.34, 13.4, +3'.1 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) COMET 73P/ S.W. 3 (fragment B) Total magnitude and coma diameter estimate: 2006 Feb. 02.12, 17.2, +0'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Feb. 02.14, 17.4, +0'.5 (G. Sostero and E. Guido, Remanzacco, Italy, 0.25-m refl.+ CCD) Feb. 07.19, 16.0, +0'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Feb. 26.37, 15.2, +0'.7 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Feb. 28.37, 14.9, +1'.5 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Mar. 07.93, 14.5, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Mar. 19.90, 13.0, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + filter Rc) Mar. 26.43, 12.7, +0'.6 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Mar. 27.91, 13.1, +1'.0 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfiltered) Mar. 29.37, 12.5, +1'.3 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Mar. 31.91, 12.9, +1'.0 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfiltered) Apr. 02.36, 11.3, +2'.7 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Apr. 02.88, 10.5, +2'.8 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfiltered) Apr. 04.01, 9.6, +2'.7 (G. Sostero and E. Guido, Remanzacco, Italy, 0.25-m reflector + CCD) Apr. 04.86, 9.5, +4'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Apr. 05.31, 9.1, +3'.2 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Apr. 06.30, 9.0, +3'.4 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Apr. 07.08, 9.2, +4'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Apr. 07.06, 9.5, +4'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Vj) Apr. 07.90, 9.4, +1'.6 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 07.96, 9.1, +4'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Apr. 08.88, 9.1, +4'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Apr. 09.88, 9.5, +2'.8 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD + R Cousins Filter) Apr. 13.89, 9.7, +1'.8 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 14.87, 10.0, +1'.0 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 20.82, 10.0, +2'.8 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD + R Cousins Filter) Apr. 20.82, 9.4, 6' (T. Scarmato, Calabria, Italy, 20x90 binoculars) Apr. 22.05, 11.1, +1'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 22.82, 10.0, +2'.8 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD + R Cousins Filter) Apr. 22.82, 9.5, 6' (T. Scarmato, Calabria, Italy, 20x90 binoculars) Apr. 23.87, 9.8, 5' (T. Scarmato, Calabria, Italy, 20x90 binoculars) Apr. 23.94, 10.9, +1'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 24.81, 10.6, +2'.8 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD + R Cousins Filter) Apr. 30.97, 9.9, +1'.0 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) May. 01.86, 7.6, 22', (T. Scarmato, Calabria, Italy, 7x50 binoculars) May. 02.83, 6.7, 25', (T. Scarmato, Calabria, Italy, 20X90 binoculars) May. 03.84, 8.9, +1'.2 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) May. 06.83, 9.4, +2.8' (T. Scarmato, Calabria, Italy, 0.25-m reflector + CCD + R Cousins Filter) May. 08.86, 5.5, +8.6' (T. Scarmato, Calabria, 0.25 - m reflector + CCD + R Cousins Filter) Mag. 09.95, 4.9, -- (Martellini Michele, Stazzema - (LU); DC 6; binocolo 10x50) May. 10.99, 5.6, 30', (T. Scarmato, Calabria, 20x90 binoculars) May. 11.97, 5.8, 25', (T. Scarmato, Calabria, 20x90 binoculars) May. 11.97, 5.8, +8.6' (T. Scarmato, Calabria, 0.25 - m reflector + CCD + R Cousins Filter) May. 14.06, 5.9, 22', (T. Scarmato, Calabria, 20x90 binoculars) May. 13.99, 6.1, +8.6' (T. Scarmato, Calabria, 0.25 - m reflector + CCD + R Cousins Filter) May. 15.08, 5.8, 18' (R. Haver, Frasso Sabino, Italy, 10x50 binoculars; 0.7-deg tail in p.a. 250 deg; strong moonlight) May. 19.01, 6.4, +8.6' (T. Scarmato, Calabria, 0.25 - m reflector + CCD + R Cousins Filter) COMET 73P/ S.W. 3 (fragment G) Total magnitude and coma diameter estimate: 2006 Feb. 26.37, 18.4, +0'.3 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Feb. 28.37, 18.4, +0'.3 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Mar. 07.93, 16.4, +0'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Mar. 19.90, 16.8, +0'.2 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + filter Rc) Mar. 29.37, 16.2, +1'.3 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Apr. 02.36, 16.2, +0'.6 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Apr. 04.88, 16.7, +0'.2 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Apr. 07.09, 13.1, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Apr. 07.92, 12.6, +1'.6 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 07.97, 12.9, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Apr. 08.90, 13.0, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Apr. 08.04, 13.0, +0'.6 (M. Gonano and A. Lepardo, Remanzacco, Italy, 0.25-m reflector + CCD) Apr. 09.10, 13.2, +0'.9 (G. Sostero and E. Guido, Remanzacco, Italy, 0.25-m reflector + CCD + Cousins R) Apr. 13.91, 12.5, +1'.8 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 22.08, 13.0, +1'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 23.96, 13.0, +1'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 30.94, 11.9, +1'.8 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) COMET 73P/ S.W. 3 (fragment R) Total magnitude and coma diameter estimate: 2006 Apr. 04.88, 16.3, +0'.2 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Apr. 07.09, 15.7, +0'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Apr. 07.97, 17.2, +0'.2 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD+ Rc) Apr. 08.90, 17.2, +0'.2 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD+ Rc) COMET 76P/ West-Kohoutek-Ikemura Total-magnitude and coma diameter estimate: 2006 Oct. 26.41, 17.8, +0'.2 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD); Nov 18.43, 16.2, +0'.5 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD); COMET 84P/ Giclas Total-magnitude and coma diameter estimate: 2006 Oct. 18.41, 17.2, +0.3' (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD); COMET 117P/ Helin-Roman-Alu Total-magnitude and coma diameter estimate: 2006 Jun. 02.44, 14.9, +0'.8 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) COMET 174P/ Echeclus Total-magnitude and coma diameter estimate: 2006 Jan. 09.17, 14.1, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD); Jan. 10.18, 14.3, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD); Jan. 11.19, 14.3, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD + Rc); Jan. 11.19, 14.7, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD + Vj); Jan. 12.19, 14.1, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD + Rc); Jan. 12.20, 14.5, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD + Vj); Jan. 12.51, 14.2, +1'.0 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m refl.+ CCD + Rc) Jan. 12.49, 14.5, +1'.0 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m refl.+ CCD + Vj) Jan. 13.51, 14.3, +1'.0 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m refl.+ CCD + Rc) Jan. 13.49, 14.6, +1'.0 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m refl.+ CCD + Vj) Jan. 15.09, 14.2, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD + Rc) Jan. 31.18, 14.5, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD + Rc) Jan. 31.19, 14.9, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD + Vj) Feb. 02.19, 14.6, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD) Feb. 02.20, 14.6, +1'.0 (G. Sostero and E. Guido, Remanzacco, Italy, 0.25-m refl.+ CCD + Cousins R filter) Feb. 07.14, 15.0, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35 refl. + CCD) Feb. 28.07, 15.4, +0'.7 (G. Sostero and E. Guido, Remanzacco, Italy, 0.25-m reflector + CCD) Mar. 05.40, 15.4, +0'.7 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Apr. 02.38, 15.7, +0'.7 (E. Guido and G. Sostero, remotely near Mayhill, NM, 0.25-m reflector + CCD) Apr. 23.88, 16.6, +0'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Apr. 30.92, 16.4, +0'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) COMET 177P/ Barnard Total-magnitude and coma diameter estimate: 2006 Jun. 25.38, 15.0, +0'.2 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m reflector + CCD) Jun. 29.42, 15.6, +0'.2 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m reflector + CCD) Jul. 13.86, 13.1, +0'.9 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfilter) Jul. 14.32, 12.9, +1'.6 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m reflector + CCD + Cousins R filter) Jul. 16.88, 11.7, +1'.4 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Jul. 17.84, 10.2, +5.5' (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfilter) Jul. 17.84, 10.0, 8' (T. Scarmato, Calabria, Italy, 0.08-m refractor) Jul. 19.85, 12.4, +1'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Jul. 20.86, 9.9, +5.5' (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfilter) Jul. 20.86, 9.0, 12' (T. Scarmato, Calabria, Italy, 0.08-m refractor) Jul. 21.86, 11.7, +1'.4 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Aug. 14.84, 12.2, +1'.1 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Aug. 18.85, 11.9, +1'.1 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Nov. 16.38, 17.0, +0'.2 (E. Guido and G. Sostero, near Mayhill, NM, 25-cm reflector + CCD); C/2003 WT42 (Linear) Total-magnitude and coma diameter estimate: 2005 Dec. 29.83, 14.7, +0'.4 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) 2006 Jan. 03.88, 14.7, +0'.4 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD, tail 2', PA 280°) Jan. 03.94, 14.8, +0'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Jan. 09.84, 14.2, +0'.4 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD, tail 2', PA 275°) Jan. 20.97, 14.4, +1'.6 (E.Bryssinck, Brixis-observatory, Belgium, 0.28-m refl.+ CCD + Cousins R) Jan. 22.83, 13.9, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Jan. 23.81, 14.2, +0'.4 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Jan. 24.85, 14.1, +0'.4 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Jan. 24.88, 13.9, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Jan. 25.83, 14.7, +0'.5 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered; tail 3', PA 265) Jan. 27.92, 14.6, +1'.6 (E.Bryssinck, Brixis-observatory, Belgium, 0.28-m refl.+ CCD + Cousins R) Jan. 28.96, 14.3, +1'.6 (E.Bryssinck, Brixis-observatory, Belgium, 0.28-m refl.+ CCD + Cousins R) Feb. 01.79, 14.7, +0'.9 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered; tail 3', p.a. 265 deg) Feb. 01.88, 14.7, +0'.5 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Feb. 06.97, 14.2, +0'.5 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD, tail 1', PA 265°) Feb. 19.86, 14.8, +0'.6 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered; tail 3', p.a. 270 deg) Feb. 27.80, 14.1, +0'.5 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Mar. 02.83, 14.4, +0'.5 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Mar. 03.82, 14.7, +0'.7 (T.Scarmato, Calabria, Italy, 0.25-m reflector + CCD) Mar. 07.85, 13.9, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc) Mar. 19.82, 14.2, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Mar. 23.81, 14.6, +0'.4 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Mar. 27.86, 15.3, +0'.3 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) Mar. 31.85, 15.0, +0'.5 (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) May. 18.85, 15.3, +0'.4 (T.Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfiltered) Jun. 11.90, 15.0, +0'.5 (G. Sostero and E. Guido, Remanzacco, Italy, 0.25-m reflector + CCD + Cousins R filter) C/2004 B1 (Linear) Total-magnitude and coma diameter estimate: 2006 May. 01.04, 12.8, +1'.4 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) May. 18.94, 12.5, +0'.6 (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfilter) May. 22.92, 12.3, +1'.5 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Jun. 09.93, 12.4, +1'.5 (A. Lepardo and V. Santini, Remanzacco, Italy, 0.25-m reflector + CCD + Cousins R filter) Jun. 11.99, 13.2, +1'.5 (G. Sostero and E. Guido, Remanzacco, Italy, 0.25-m reflector + CCD + Cousins R filter) Jun. 12.92, 13.4, +1'.5 (G. Sostero and E. Guido, Remanzacco, Italy, 0.25-m reflector + CCD + Cousins R filter) Jun. 14.94, 13.0, +1.3' (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfilter) Jun. 14.92, 13.1, +1'.5 (G. Sostero and E. Guido, Canebola, Italy, 0.15-m reflector + CCD) Jun. 19.41, 13.5, +1'.4 (E. Guido and G. Sostero, Near Mayhill, NM, 0.25-m reflector + CCD) Jun. 21.86, 13.4, +1.3' (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfilter) Jun. 21.89, 13.5, +1'.2 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Jun. 24.89, 13.2, +1.3' (T. Scarmato, Calabria, Italy, 0.25m reflector + CCD unfilter) Jun. 29.91, 13.8, +1'.1 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Jul. 13.83, 14.7, +0.5' (T. Scarmato, Calabria, Italy, 0.25 - m reflector + CCD unfilter) Jul. 19.89, 14.6, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) C/2005 E2 (McNaught) Total-magnitude and coma diameter estimate: 2005 Dec. 30.71, 10.9, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) 2006 Jan. 03.73, 11.1, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc filter, tail 4' PA 225) Jan. 04.71, 11.3, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Jan. 09.71, 11.2, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Jan. 10.71, 11.3, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc filter, tail 5' PA 225) Jan. 10.72, 11.2, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Jan. 13.72, 11.2, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Jan. 22.71, 11.5, +1'.1 (G. Sostero, Remanzacco, Italy, 0.25-m refl.+ CCD) Jan. 22.72, 11.2, +1'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + Rc filter, tail 6' PA 228) Jan. 23.72, 11.6, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD) Jan. 24.73, 11.4, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Feb. 01.74, 11.3, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Feb. 03.73, 11.5, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Feb. 10.74, 11.4, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Mar. 16.74, 12.1, +1'.3 (T. Scarmato, Calabria, Italy, 0.25-m reflector + CCD unfiltered) Apr. 02.76, 12.5, +0'.8 (T. Scarmato, Calabria, Italy, 0.25-m reflector + CCD unfiltered) Apr. 09.77, 12.6, +0'.8 (T. Scarmato, Calabria, Italy, 0.25-m reflector + CCD + R Cousins Filter) C/2005 L3 (McNaught) Total-magnitude and coma diameter estimate: 2006 Jun. 02.40, 15.8, +0'.4 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) C/2005 YQ127 (Linear) Total-magnitude and coma diameter estimate: 2006 Jan. 19.74, 16.6, +0'.3 (M. and V. Gonano, Remanzacco, Italy, 0.25-m refl.+ CCD) Jan. 22.77, 16.8, +0'.3 (G. Sostero, Remanzacco, Italy, 0.25-m refl.+ CCD) Feb. 04.78, 18.0, +0'.3 (G. Sostero and S. Garzia, Remanzacco, Italy, 0.25-m refl.+ CCD) C/2005 YW (Linear) Total-magnitude and coma diameter estimate: 2006 Nov. 22.50, 13.2, 1.0' (E. Guido and G. Sostero, near Mayhill, NM, 25-cm reflector + CCD); P/2005 R2 (Van Ness) Total-magnitude and coma diameter estimate: 2006 Feb. 02.80, 15.1, +0.6', (T. Scarmato, Calabria, Italy, 0.25 m reflector+CCD unfiltered) P/2005 XA54 (LONEOS-Hill) Total-magnitude and coma diameter estimate: 2006 Feb. 06.95, 15.0, +1'.2 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD, Unfiltered) Feb. 26.40, 15.1, +0'.7 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Feb. 27.85, 15.1, +1'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD, Unfiltered) Mar. 02.86, 15.0, +1'.2 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Mar. 03.82, 15.2, +0'.7 (T.Scarmato, Calabria, Italy, 0.25-m reflector + CCD) Mar. 07.86, 14.8, +0'.5 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Mar. 18.84, 16.0, +0'.2 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD) Mar. 23.85, 15.3, +1'.2 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD, tail 0'.5, PA 140°) Mar. 31.81, 16.8, +0'.7 (T.Scarmato, Calabria, Italy, 0.25-m reflector + CCD) Apr. 02.83, 15.6, +0'.7 (T.Scarmato, Calabria, Italy, 0.25-m reflector + CCD) Apr. 13.84, 16.0, +0'.9 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) C/2006 A1 (Pojmansky) Total-magnitude and coma diameter estimate: 2006 Mar. 04.17, 5.1, 5' (T.Scarmato, Calabria, Italy, 7x50 binoculars) Mar. 06.52, 6.4, +3'.0 (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD) Mar. 07.16, 5.8, 5' (D.Tirelli, Sossano, Italy, 0.25m reflector, visual 60x, tail 1°, PA 290°) Mar. 07.17, 5.9, 5' (Martellini Michele, Capanne di Careggine, LU, binocolo 10x50; DC 5) Mar. 07.18, 5.5, 5' (T. Scarmato, Calabria, Italy, 7x50 binoculars) Mar. 07.19, 7.5, +1'.3 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Mar. 08.15, 6.0, 5' (D.Tirelli, Sossano, Italy, 0.25m reflector, visual 60x, tail 1°, PA 290°) Mar. 12.14, 8.3, +1'.2 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) Mar. 12.16, 6.0, 5' (D.Tirelli, Sossano, Italy, 0.25m reflector, visual 60x, tail 1°, PA 290°) Mar. 17.15, 8.4, +2'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + S filter) Mar. 17.15, 8.4, +2'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + filter Rc) Mar. 17.15, 7.5, +2'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + filter Vj) Mar. 17.15, 8.2, +2'.0 (R.Ligustri, Talmassons, Italy, 0.35m reflector + CCD + filter Bj) Mar. 17.20, 6.1, 8' (T.Scarmato, Calabria, Italy, 20x90 binoculars) Mar. 19.18, 6.5, 5' (DC=7...10x50B...Virgilio Gonano(Udine, Italy) Apr. 22.12, 11.6, +1'.2 (D.Tirelli, Sossano, Italy, 0.25m reflector + CCD + Rc_filter) C/2006 K4 (Neat) Total-magnitude and coma diameter estimate: 2006 Jun. 10.02, 18.0, +0'.2 (A. Lepardo and V. Santini, Remanzacco, Italy, 0.25-m reflector + CCD) C/2006 L1 (Garradd) Total-magnitude and coma diameter estimate: 2006 Oct. 16.49, 11.8, 2.5' (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD); Oct. 23.48, 12.2, 1.3' (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD); C/2006 L2 (McNaught) Total-magnitude and coma diameter estimate: 2006 Jun. 15.86, 13.3, +0'.5 (G. Sostero and E. Guido, Mt. Matajur, Italy, 0.15-m reflector + CCD; twilight, comet 6 deg above the horizon) C/2006 M4 (SWAN) Total-magnitude and coma diameter estimate: 2006 Oct. 23.77, 5.9, 10' (T. Scarmato, Calabria, Italy, 20x90 binoculars) Oct. 25.72, 3.8,-- (T. Scarmato, Calabria, Italy, nake eye) Oct. 26.72, 4.1,-- (T. Scarmato, Calabria, Italy, nake eye) Oct. 27.74, 4.3,-- (T.Scarmato, Calabria, Italy, naked eye) Oct. 29.74, 4.7, 12' (T.Scarmato, Calabria, Italy, 20x90 binoculars) Oct. 30.74, 4.8, 10' (T.Scarmato, Calabria, Italy, 20x90 binoculars) Oct. 31.75, 5.0, 10' (T. Scarmato, Calabria, Italy, 20x90 binoculars) Oct. 28.76, 4.5, 10' (V.Gonano, Udine, Italy, 10x50 binoculars); Oct. 31.76, 5.3, 8' (T. Scarmato, Calabria, Italy, 20x90 binoculars) Nov. 01.77, 5.5, 11' (V.Gonano, Udine, Italy, 10x50 binoculars; moonlight); Nov. 03.76, 5.3, 8' (T. Scarmato, Calabria, Italy, 20x90 binoculars; moonlight) Nov. 04.76, 5.6, 8' (T. Scarmato, Calabria, Italy, 20x90 binoculars; moonlight) Nov. 05.74, 5.8, 8' (T. Scarmato, Calabria, Italy, 20x90 binoculars; strong moolight) Nov. 06.78, 6.3, 8' (V. Gonano, Udine, Italy, 10x50 binoculars; strong moonlight; haze); Nov. 06.74, 5.9, 7' (T. Scarmato, Calabria, Italy, 20x90 binoculars;) Nov. 11.77, 6.3, 10' (T. Scarmato, Calabria, Italy, 20x90 binoculars;) Nov. 11.75, 7.7, 5' (A. Giambersio, Potenza, Italy, 16x70 binoculars) Nov. 12.78, 6.3, 10' (V. Gonano, Udine, Italy, 10x50 binoculars; light pollution); Nov. 14.73, 6.7, 7' (T. Scarmato, Calabria, Italy, 20x90 binoculars;) Nov. 15.82, 6.7, 7' (T. Scarmato, Calabria, Italy, 20x90 binoculars;) Nov. 16.83, 6.7, 7' (T. Scarmato, Calabria, Italy, 20x90 binoculars;) Nov. 18.77, 7.6, 4' (T. Scarmato, Calabria, Italy, 20x90 binoculars;) Nov. 19.73, 7.5, 5' (T. Scarmato, Calabria, Italy, 20x90 binoculars;) Nov. 25.77, 8.1, 7' (T. Scarmato, Calabria, Italy, 20x90 binoculars;) Nov. 29.76, 8.4, 6' (T. Scarmato, Calabria, Italy, 20x90 binoculars;) Nov. 30.77, 8.5, 8' (T. Scarmato, Calabria, Italy, 20x90 binoculars,) C/2006 W3 (Christensen) Total-magnitude and coma diameter estimate: 2006 Nov. 19.44, 18.0, +0'.3 (E. Guido and G. Sostero, near Mayhill, NM, 25-cm reflector + CCD); Nov. 30.11, 18.1, +0'.3 (G. Sostero and E. Guido, Remanzacco, Italy, 45-cm reflector + CCD) P/2006 HR30 (Siding-Spring) Total-magnitude and coma diameter estimate: 2006 Sept. 19.32, 14.9, +0'.3 (E. Guido and G. Sostero, remotely from near Mayhill, NM, 0.25-m reflector + CCD) P/2006 S1 (Christensen) Total-magnitude and coma diameter estimate: 2006 Sept. 19.36, 17.9, +0'.3 (E. Guido and G. Sostero, remotely from near Mayhill, NM, 0.25-m reflector + CCD) P/2006 T1 (Linear) Total-magnitude and coma diameter estimate: 2006 Oct. 16.48, 10.7, +1.7' (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD); Oct. 23.48, 12.0, +1.6' (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD); Nov. 17.52, 14.4, +1'.5 (E. Guido and G. Sostero, near Mayhill, NM, 25-cm reflector + CCD); P/2006 U1 (Linear) Total-magnitude and coma diameter estimate: 2006 Oct. 21.43, 16.4, - (E. Guido and G. Sostero, near Mayhill, NM, 0.25-m reflector + CCD; stellar aspect); Nov. 20.36, 16.3, - (E. Guido and G. Sostero, near Mayhill, NM, 25-cm reflector + CCD; stellar aspect; tail 18', PA 285); Nov. 22.51, 16.6, - (E. Guido and G. Sostero, near Mayhill, NM, 25-cm reflector + CCD; stellar aspect; tail 24', PA 285);
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