9P/Tempel 1

9P/Tempel 1
Reported observations:
2016 Ago. 05.88 UT: m1=10.3, Dia.=3′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Ago. 01.89 UT: m1=9.9, Dia.=6′, DC=3; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España) [Crepúsculo astronómico]
2016 July 31.97 UT: m1=10.3, Dia.=3′, DC=2/; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 31.39 UT: m1=11.9, Dia.=2.8’, DC=2/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Very diffuse, slight brightening to centre; No tail]
2016 July 29.89 UT: m1=10.1, Dia.=3′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 July 28.38 UT: m1=12.0, Dia.=3.1’, DC=3/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, brightens to centre but weakly condensed. No tail, slight zodiacal light interference]
2016 July 27.90 UT: m1=9.8, Dia.=5′, DC=2/; 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Fin del crepúsculo astronómico]
2016 July 25.38 UT: m1=12.2, Dia.=2.6’, DC=2/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, close to mag 8.7 star 3.4’away in P.A. 056°. No tail, does not enhance]
2016 July 08.92 UT: m1=10.8, Dia.=3′, DC=2; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España)
2016 July 03.92 UT: m1=11.5, Dia.=2.5′, DC=3/; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 02.92 UT: m1=10.8, Dia.=3.5′, DC=2/; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 July 02.39 UT: m1=12.5, Dia.=3’, DC=3/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, semi-transparent edges with slight brightening to a moderately condensed and opaque centre. Does not enhance in Swan Band filter]
2016 July 01.90 UT: m1=11.2, Dia.=2′, DC=3, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 June 28.48 UT: m1=12.3, Dia.=2.3’, DC=3; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail; Diffuse coma slightly brightening to a weakly condensed centre. Does not enhance in Swan Band filter]
2016 June 27.93 UT: m1=10.9, Dia.=3′, DC=3; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 June 09.80 UT: m1=13.7 CCD, Dia.=0.6′, DC=3; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 June 09.02 UT: m1=11.6, Dia.=2.5′, DC=3; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 June 08.04 UT: m1=11.7, Dia.=2′, DC=2/; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 June 07.92 UT: m1=11.4, Dia.=2.0′, DC=3; 31-cm C f/9 (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 June 06.92 UT: m1=11.4, Dia.=2.0′, DC=3; 31-cm C f/9 (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 June 04.91 UT: m1=11.7, Dia.=2′, DC=3, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 June 03.49 UT: m1=13.0, Dia.=0.9′, DC=4; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  31.94 UT: m1=11.3, Dia.=3′, DC=3; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 May  29.41 UT: m1=13.0, Dia.=1′, DC=3; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  12.87 UT: m1=14.6 CCD, Dia.=0.55′, DC=8; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 May  07.89 UT: m1=13.6, Dia.=1′.9, DC=5; 35-cm L (178x); Jakub Cerny (Senohraby, Czech Republic)
2016 May  04.50 UT: m1=13.8, Dia.=1.1′, DC=3; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  03.79 UT: m1=13.7 CCD, Dia.=0.8′, DC=3; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 May  02.48 UT: m1=13.9, Dia.=0.8′, DC=1/; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 May  01.89 UT: m1=13.8, Dia.=1.2′, DC=4; 40.0-cm L (138x); Sandor Szabo (Hakos, Namibia)
2016 May  01.82 UT: m1=14.4 CCD, Dia.=1′, DC=2; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 May  01.46 UT: m1=14.6, Dia.=0.4′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Apr. 29.78 UT: m1=13.5:, Dia.=0.1′, DC=3; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 28.76 UT: m1=[13.5, Dia.=0.1′; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 23.91 UT: m1=14.5 CCD, Dia.=0.46′, DC=7/; 15-cm L; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 15.97 UT: m1=14.7 CCD, Dia.=0.42′, DC=7/; 15-cm L; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 15.71 UT: m1=14.0, Dia.=0.5′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 08.71 UT: m1=14.4, Dia.=0.3′, DC=3/; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2016 Mar. 30.85 UT: m1=14.0, Dia.=0.5′, DC=3; 60.3-cm L (244x); Sandor Szabo (Sopron, Hungary)

2005 Aug. 05.92 UT: m1=10.9, Dia.=4', DC=2/ ... 32-cm L (75x) ... J. Carvajal (Avila, Spain)
2005 Aug. 05.47 UT: m1=10.9, Dia.=1.5', DC=3 ... 40.0-cm L f/4.5 (144x) ... Seiichi Yoshida (Gunma, Japan) [Very low in the evening, and hard to see. It looks diffused, but I also found a weak condensation. So it May  look diffused now only due to the low position.]
2005 Aug. 02.92 UT: m1=10.9, Dia.=2.5', DC=3 ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)
2005 July 30.99 UT: m1=11.0, Dia.=2', DC=2 ... 25x100 B ... Willian Souza (Campinas, Brazil)
2005 July 12.32 UT: m2=14.0 CCD, Dia.=&3.7′, Tail=2.3′ in PA 128 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2005 July 08.82 UT: m1=10.1, Dia.=5', DC=3 ... 15x60 B ... Mike Begbie (Harare, Zimbabwe) [Comet now a difficult object again through this aperture. This object has now returned fully to the diffuse appearance that it had before the impact, and the coma appears spherical again visually, with no sign of an extension or any hint of tail. Sidgewick Method and Tycho 2 comparison stars used. Naked eye limiting magnitude near the comet 7.0. Very clear and cold conditions.]
2005 July 07.94 UT: m1=10.0, Dia.=5', DC=4 ... 25x100 B ... Juan Jose Gonzalez (Alto del Trichero - Soto y Amío, alt. 1190 m., León, North Spain) [20-cm SCT (77x): m1=10.2, Dia.=4', DC=5 ]
2005 July 07.27 UT: m2=14.0 CCD, Dia.=&3.4′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2005 July 06.90 UT: m1=10.8 ... 14.3-cm L (45x) ... Alexandre Amorim (Florianopolis, Brazil)
2005 July 06.26 UT: m2=14.0 CCD, Dia.=&3.5′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2005 July 05.94 UT: m1=9.9, Dia.=5', DC=4 ... 25x100 B ... Juan Jose Gonzalez (Alto del Trichero - Soto y Amío, alt. 1190 m., León, North Spain) [20-cm SCT (77x): m1=10.2, Dia.=4', DC=5 ]
2005 July 05.83 UT: m1=9.6, Dia.=11', DC=5 ... 8-cm R ... T. Scarmato (Calabria, Italy) [Coma's comet in continue evolution. Coma asymmetric with the elongation pointing toward Est direction. July 05.83 UT: m1=11.4, Dia.=+2'.3 ... 25-cm L+CCD+R Cousins Filter]
2005 July 05.80 UT: m1=10.0, Dia.=5', DC=5 ... 15x60 B ... Mike Begbie (Harare, Zimbabwe) [Comet clearly seen with direct vision through this aperture. Cloud cover sadly prevented an observation last night. The coma displayed a more condensed central condensation, almost but not quite stellar, with the faint outer coma much the same as before, except that it is asymmetrical, slightly extended in PA 110 degrees. I was about to examine the comet with the 20-cm reflector when the cloud once again rapidly rolled in. Sidgewick Method and Tycho 2 comparison stars used. Naked eye limiting magnitude near the comet 6.7]
2005 July 05.26 UT: m1=11.0, Dia.=2.2', DC=5 ... 20-cmL (107x) ... Mike Linnolt (Woodside, CA) [In-Out method. Tycho2+Bessell. NELM~5.9 Returns to near baseline before impact, nucleus much fainter than 24 hours ago.]
2005 July 05.21 UT: m1=10.0 ... 26-cm f/4.5 L (67x) ... Charles S. Morris (Fillmore, CA) [Comet definitely brighter]
2005 July 04.99 UT: m1=10.5, Dia.=3', DC=5 ... 20-cm F/10 SCT (63x) ... Willian Souza (Sao Paulo, Brazil)
2005 July 04.94 UT: m1=9.9, Dia.=5', DC=4 ... 25x100 B ... Juan Jose Gonzalez (Alto del Trichero - Soto y Amío, alt. 1190 m., León, North Spain) [20-cm SCT (77x): m1=10.1, Dia.=4', DC=6. Mountain location, clear sky. Altitude: 20 deg. Asymmetric coma with bright inner region. Near-stellar central condensation, m2~12.5]
2005 July 04.93 UT: m1=10.5, Dia.=1.5', DC=4 ... 20-cm SCT (98x) ... Stephen McCann (Southampton, England) [Difficult object in astronomical twilight and low altitude ~12deg]
2005 July 04.89 UT: m1=10.5, Dia.=2', DC=3 ... 36-cm L (80x) ... A. Baransky (Pylypovychi, Ukraine)
2005 July 04.83 UT: m1=9.2, Dia.=13', DC=5/ ... 8-cm R ... T. Scarmato (Calabria, Italy) [Central consensation well marked. Clear change of the morfology of the coma since my last observation pre-impact. 2005 July 04.83 UT: m1=11.3, Dia.=+2'.3 ... 25-cm L+CCD+R Cousins Filter]
2005 July 04.47 UT: m1=10.3 Dia.=2.0' DC=7 ... 21-cm reflect. (53x) ... Kearn Jones (Mt. Pleasant, Australia) [sidgwick method. NELM ~ 6.5]
2005 July 04.47 UT: m1=10.4, Dia.=2', DC=2 ... 20.0-cm L ... George Zhou (Melbourne, Australia) [Impact + 5.3h, no visible brightening]
2005 July 04.237 UT: m1=11.2, Dia.=2.2', DC=4 ... 20-cmL (107x) ... Mike Linnolt (Woodside, CA) [In-Out method. Tycho2+Bessell. NELM~5.9 04.2451 UT: m1=11.2, Dia.=2.2', DC=4 ... 04.2500 UT: m1=11.1, Dia.=2.2', DC=6 ... 04.2583 UT: m1=10.9, Dia.=2.2', DC=7 ... 04.2674 UT: m1=10.7, Dia.=2.2', DC=8]
2005 July 04.23 UT: m1=~10.5 ... 26-cm f/4.5 L (67x) ... Charles S. Morris (Fillmore, CA) [A quick observation while preparing for CCD observations of the impact. At the time of the impact, a 12-13 mag stellar condensation was suspected to have formed in the coma. CCD observations show that the nucleus brightened just after impact]
2005 July 04.14 UT: m1=12.0, Dia.=4', DC=3 ... 14" SCT f/10 ... Pierre Laporte (C.O.A.M.N.D., Québec, Canada)
2005 July 03.95 UT: m1=10.8 ... 14.3-cm L (45x) ... Alexandre Amorim (Florianopolis, Brazil)
2005 July 03.87 UT: m1=10.5, Dia.=4', DC=2 ... 15x60 B ... Mike Begbie (Harare, Zimbabwe) [A very difficult object through this aperture. Comet increasingly diffuse. Sidgewick Method and Tycho 2 comparison stars used. Naked eye limiting magnitude near the comet 6.7. Through a 20-cm reflector f/9 at 72x, the comet was even more difficult, with little or no central condensation obvious. At the time of writing there are less than nine hours until the Deep Impact impactor probe strikes the comet. I hope to see a substantial difference tomorrow night!]
2005 July 03.85 UT: m1=9.8, Dia.=10', DC=4/ ... 8-cm R ... T. Scarmato (Calabria, Italy) [2005 July 03.85 UT: m1=11.9, Dia.=+2'.3 ... 25-cm L+CCD Unfiltered]
2005 July 02.98 UT: m1=11.1, Dia.=3', DC=2 ... 45-cm L (65x) ... J. Carvajal (Avila, Spain) [Not visible in 10x70B, poor sky today]
2005 July 02.97 UT: m1=10.3, Dia.=3', DC=2 ... 25x100 B ... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [20-cm SCT (77x): m1=10.5]
2005 July 02.89 UT: m1=10.8: ... 14.3-cm L (45x) ... Alexandre Amorim (Florianopolis, Brazil)
2005 July 02.88 UT: m1=10.4, Dia.=2.5', DC=3 ... 36-cm L (80x) ... A. Baransky (Pylypovychi, Ukraine)
2005 July 02.88 UT: m1=10.4, Dia.=3', DC=3 ... 15x60 B ... Mike Begbie (Harare, Zimbabwe) [Dark, very clear sky again. Coma is slightly less diffuse and more compact. There seems to be a definite fading trend at the moment. Sidgewick Method and Tycho 2 comparison stars used. Naked eye limiting magnitude near the comet 6.7.]
2005 July 02.83 UT: m1=9.6, Dia.=12', DC=5 ... 8-cm R ... T. Scarmato (Calabria, Italy) [Comet clearly brighter since my last observation. Another outburst? 2005 July 02.83 UT: m1=11.0, Dia.=+2'.3 ... 25-cm L+CCD Unfiltered]
2005 July 01.97 UT: m1=10.1, Dia.=4', DC=3 ... 25x100 B ... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [20-cm SCT (77x): m1=10.3]
2005 July 01.92 UT: m1=10.8: ... 14.3-cm L (45x) ... Alexandre Amorim (Florianopolis, Brazil)
2005 July 01.83 UT: m1=10.5, Dia.=9', DC=3/ ... 8-cm R ... T. Scarmato (Calabria, Italy) [2005 July 01.83 UT: m1=12.4, Dia.=+2'.3 ... 25-cm L+CCD+R Cousins Filter]
2005 July 01.82 UT: m1=10.2, Dia.=4', DC=2 ... 15x60 B ... Mike Begbie (Harare, Zimbabwe) [Dark, clear sky. Comet very difficult through this aperture. Coma is increasingly diffuse. Looking forward to the "man-made" change in a couple of days. Sidgewick Method and Tycho 2 comparison stars used. Naked eye limiting magnitude near the comet 6.6. I will resume telescopic examination from tomorrow night, particularly to try and detect any pre-comparison from any major event arising from this coming Monday night.]
2005 June 30.83 UT: m1=10.0, Dia.=5', DC=3 ... 15x60 B ... Mike Begbie (Harare, Zimbabwe) [Dark, clear sky. Very little change noted from last night. Sidgewick Method and Tycho 2 comparison stars used. Naked eye limiting magnitude near the comet 6.6]
2005 June 30.81 UT: m1=10.5, Dia.=8', DC=4 ... 8-cm R ... T. Scarmato (Calabria, ITaly) [Central condensation hardly visible.In-out method. 2005 June 30.81 UT: m1=11.7, Dia.=+2'.3 ... 25-cm L unfiltered]
2005 June 29.90 UT: m1=11.0: ... 14.3-cmL (45x) ... Alexandre Amorim (Florianopolis, Brazil)
2005 June 29.86 UT: m1=10.8, Dia.=8' ... 8-cm R ... T. Scarmato (Calabria, Italy) [On the CCD unfiltered image is visible a long tail in pa 315 deg and a probably dust trail. In-out method]
2005 June 29.29 UT: m1=9.8, Dia.=3.5', DC=3/9 ... 8-cm f:5 Refract (18x) ... John Drummond (Gisborne, New Zealand) [Can just see 9P. Slight high cloud. Through the 16" it is easily seen - the coma seems slightly more diffuse than last night - less central condensation. 58* alt in the N. Stellar LM =11.1 (8-cm)]
2005 June 28.88 UT: m1=9.4, Dia.=6.5', DC=1/, No tail ... 7-cm R (50x) ... Lubomir Urbancok (Sid, Slovakia)
2005 June 28.82 UT: m1=10.1, Dia.=9' ... 8-cm R ... T. Scarmato (Calabria, Italy) [On CCD 60x30 s unfiltered image the comet show a suspect bright ions tail in S-E direction. 28.82 UT: m1=11.7, Dia.=+1'.4 ... 25-cm L+CCD unfiltered]
2005 June 28.31 UT: m1=9.9, Dia.=3.5', DC=4/9 ... 8-cm f5 Refract (18x) ... John Drummond, (Gisborne, New Zealand) [Based on John Bortle's comments that the smallest possible aperture should be used for comet magnitude estimates I used a 8-cm f5 refractor. Can see the comet - but not easily. Through the 16" it is easily seen - the coma is diffuse with slight central condensation. 58* alt in the NNW. Stellar LM =11.3 (8-cm)]
2005 June 27.93 UT: m1=10.3, Dia.=3.0', DC=3 ... 36-cm L (80x) ... A. Baransky (Pylypovychi, Ukraine)
2005 June 27.84 UT: m1=11.1 CCD, Dia.=1.4' ... 25-cm L+CCD+R Cousins Filter ... T. Scarmato (Calabria, ITaly) [The data show an increase of the activity of the comet, but it is important to note that the comet is overimposed to a star in the R images]
2005 June 26.88 UT: m1=11.3 CCD, Dia.=2.7' ... 0.25-m SC/CCD ... G. Sostero (Mount Matajur, Italy) [Cousins R filter used]
2005 June 26.97 UT: m1=9.9, Dia.=6', DC=3 ... 25x100 B ... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [20-cm SCT (77x): m1=10.2]
2005 June 25.97 UT: m1=9.8, Dia.=6', DC=3 ... 25x100 B ... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [20-cm SCT (77x): m1=10.1]
2005 June 25.87 UT: m1=9.8, Dia.=3', DC=3, no tail ... 23.5-cm SCT (94x) ... Carlos Labordena (Castellón,España)
2005 June 25.85 UT: m1=11.4 CCD, Dia.=2.4' ... 8-cm R+CCD+R Cousins Filter ... T. Scarmato (Calabria, Italy)
2005 June 25.72 UT: m1=9.8, Dia.=8', DC=4 ... 15x60 B ... Mike Begbie (Harare, Zimbabwe) [Comet much more apparent tonight. Seen for long periods with direct vision. Very large coma but slightly more condensed than the last observation. Sidgewick Method and Tycho 2 comparison stars used.]
2005 June 24.90 UT: m1=9.5, Dia.=6.3, DC=2, No tail ... 7-cm R (50x) ... Lubomir Urbancok (Sid, Slovakia)
2005 June 24.83 UT: m1=10.8 CCD, Dia.=2.4' ... 8-cm R+CCD+R Cousins Filter ... T.Scarmato (Calabria, Italy) [This night I have in the field two HIP stars, instead the last two night I have measured the magnitude with TYC stars]
2005 June 23.84 UT: m1=10.3, Dia.=8' ... 25-cm L ... T. Scatmato (Calabria, Italy) [Outer coma diffuse but clearly visible, central condensation little but well marked ... 2005 06 23.84 UT: m1=11.6, Dia.=+2'.4 ... 8-cm R+CCD+R Cousins Filter]
2005 June 23.71 UT: m1=10.0, Dia.=6', DC=3 ... 15x60 B ... Mike Begbie (Harare, Zimbabwe) [A difficult object. The coma through this aperture is large and very diffuse. Sidgewick Method and Tycho 2 comparison stars used.]
2005 June 23.18 UT: m1=11.6 CCD, Dia.=2.7' ... 0.25-m SC/CCD ... E. Guido and G. Sostero (near Mayhill, NM) [Cousins R filter used]
2005 June 22.85 UT: m1=11.4 CCD, Dia.=2.4' ... 8-cm R+CCD+R Cousins Filter ... T. Scatmato (Calabria, Italy) [Moonlight]
2005 June 20.86 UT: m1=10.9 CCD, Dia.=2.3' ... 8-cm R+CCD+R Cousins Filter ...  T. Scatmato (Calabria, Italy)
2005 June 19.88 UT: m1=10.6, Dia.=3', DC=2, no tail ... 23.5-cm SC(57x) ... Carlos Labordena (Castellón,España)
2005 June 14.11 UT: m1=10.5 CCD, Dia.=1.5' ... 0.28-m SC+CCD ... Luis Mansilla (Rosario, Argentina)
2005 June 14.07 UT: m1=10.4 CCD, Dia.=1.5' ... 0.28-m SC+CCD ... V. Buso and G. Mazalán (Rosario, Argentina)
2005 June 13.91 UT: m1=10.2:, Dia.=3.5', DC=3 ... 20-cm L (70x) ... A. Baransky (Bucha, Ukraine) [Moonlight]
2005 June 12.90 UT: m1=11.2 CCD, Dia.=2.7' ... 25-cm L+CCD+R Cousins Filter ...  T. Scatmato (Calabria, Italy)
2005 June 12.87 UT: m1=10.8, Dia.=6', DC=4 ... 15x60 B ... Mike Begbie (Harare, Zimbabwe) [Slightly easier tonight as fractionally more condensed, but recorded as fainter nevertheless. The outer coma through this aperture is large and diffuse. Sidgewick Method and Tycho 2 comparison stars used. Moon well down at time of observation.]
2005 June 12.27 UT: m1=10.9, Dia.=1', DC=4 ... 20-cmL (107x) ... Mike Linnolt (Palo Alto, CA) [In-Out method. Tycho2+Bessell. Some moonlight and light pollution. Seen only by averted vision. NELM~5.5]
2005 June 12.03 UT: m1=10.4 CCD, Dia.=1' ... 28-cm SCT F/10 ... Jose Luis Sanchez (Rosario, Argentina)
2005 June 11.88 UT: m1=10.4, Dia.=3', DC=3 ... 36-cm L (80x) ... A. Baransky (Pylypovychi, Ukraine)
2005 June 11.85 UT: m1=10.3, Dia.=6' ... 8-cm R (28x) ... Toni Scarmato (Calabria, ITaly) [Comet faint since my last observation, but coma again extended. In-out method. 11.85 UT: m1=11.4, Dia.=+2'.7 ... 25-cm L+CCD+R Cousins Filter]
2005 June 09.93 UT: m1=11.2 CCD, Dia.=2.9', Tail= 2.0' in PA: 150 deg ... 0.25-m L/CCD ... G. Sostero (Comeglians, Italy) [R Cousins filter used]
2005 June 08.89 UT: m1=10.3, Dia.=3.5', DC=3 ... 20-cm L (70x) ... A. Baransky (Bucha, Ukraine)
2005 June 06.90 UT: m1=11.2 CCD, Dia.=3.0' ... 0.25-m SC/CCD ... A. Lepardo and V. Santini (Remanzacco, Italy) [Cousins R filter used]
2005 June 03.88 UT: m1=10.1 Dia.=2.9', DC=3 ... 20-cm L (38x)... Tilen Cadez (Kamnik, Slovenia) [Comet was close to 9.4 mag star]
2005 May  18.10 UT: m1=10.2, Dia.=3', DC=5 ... 25x100 B ... Juan Jose Gonzalez (Alto del Trichero - Soto y Amío, alt. 1190 m., León, North Spain) [20-cm SCT (100x): m1=10.5 ... Estimates were made after moonset]
2005 May  16.80 UT: m1=10.2, Dia.=5', DC=3/ ... 20-cm SCT (f/10) ... Toni Scarmato (Calabria, Italy) [2005 05 16.80 UT: m1=11.3, Dia.=+1'.4 ... 20-cm SCT+CCD unfiltered]
2005 May  16.02 UT: m1=10.8:, Dia.=1', DC=4 ... 14.3-cmL (45x) ... Alexandre Amorim (Florianopolis, Brazil)
2005 May  15.87 UT: m1=11.1, Dia.=3', DC=2, no tail ... 23.5-cm SC(94x) ... Carlos Labordena (Castellón,España)
2005 May  14.97 UT: m1=10.6, Dia.=3', DC=3 ... 20-cm L (70x) ... A. Baransky (Bucha, Ukraine)
2005 May  14.93 UT: m1=11.3, Dia.=1.5', DC=3 ... 20-cm L f/9 (72x) ... Mike Begbie (Harare, Zimbabwe) [Comet once again a difficult object with direct vision. Small, compact and faint again, with a much more diffuse coma than the previous observation. Sidgewick Method used, very steady seeing and the Moon long set.]
2005 May  14.90 UT: m1=10.9, Dia.=1.5', DC=5 ... 15-cm R F/15 ... Diepvens (Balen, Belgium)
2005 May  14.89 UT: m1=10.6, Dia.=2.0', DC=4 ... 30-cm L (60x) ... Vitali Nevski (Vitebsk, Belarus)
2005 May  13.10 UT: m1=11.4, DC=3 ... 20.3-cm SCT f/10 ... Pierre Laporte (C.O.A.M.N.D., Québec, Canada)
2005 May  12.92 UT: m1=10.6, Dia.=3', DC=3 ... 20-cm L (70x) ... A. Baransky (Bucha, Ukraine)
2005 May  12.90 UT: m1=11.2, Dia.=1.5', DC=3 ... 30-cm L(105x) ... Marcin Filipek (Jerzmanowice, Poland)
2005 May  12.85 UT: m1=10.4, Dia.=5', DC=4 ... 8-cm R ... Toni Scarmato (Calabria, Italy) [2005 05 12.85 UT: m1=11.0, Dia.=+2'.8 ... 25-cm L+CCD unfiltered]
2005 May  12.83 UT: m1=10.9, Dia.=2', DC=5 ... 20-cm L f/9 (72x) ... Mike Begbie (Harare, Zimbabwe) [Comet clearly visible with direct vision. Small, compact and relatively bright, but lacking visually as far as the coma extension was concerned again. The coma appears almost perfectly circular again tonight, with no visual hint of the extension seen just a few days back. It is likely that this feature is continually visible with CCD imagery, but it May  be fading and brightening to some extent on a regular basis as far as visual observations are concerned, as observing conditions locally have remained very constant over the period concerned.]
2005 May  12.44 UT: m1=10.8, Dia.=3.5', DC=4 ... 25x100 B ... Michael Mattiazzo (Stockport Observatory, South Australia)
2005 May  12.16 UT: m1=10.3, Dia.=1', DC=6 ... 20-cm F/10 SCT (77x) ... Willian Souza (Sao Paulo, Brazil)
2005 May  11.93 UT: m1=10.8, Dia.=2.9', DC=3/ ... 20-cm L (38x) ... Tilen Cadez (Kamnik, Slovenia)
2005 May  11.92 UT: m1=10.9, Dia.=2', DC=5 ... 23.5-cm SCT (59x) ... Rafael Benavides (Posadas, Cordoba, Spain)
2005 May  11.90 UT: m1=11.0, Dia.=1.5', DC=4 ... 15-cm R F/15 ... Diepvens (Balen, Belgium)
2005 May  11.86 UT: m1=11.0, Dia.=2', DC=6 ... 20-cm L f/9 (72x) ... Mike Begbie (Harare, Zimbabwe) [Coma very much more condensed tonight, much more apparent and compact. Central stellar condensation visible with direct vision. Sidgewick method used and comparison stars in same field as the comet. Little evidence of a coma extension or beginnings of tail however. Coma virtually spherical from this observer's point of view tonight.]
2005 May  10.89 UT: m1=10.4, Dia.=5', DC=4 ... 8-cm refractor ... Toni Scarmato (Calabria, Italy) [2005 05 10.92 UT: m1=11.1, Dia.=+2'.8 ... 25-cm L+CCD unfiltered]
2005 May  10.86 UT: m1=11.1, Dia.=2', DC=4 ... 15-cm R F/15 ... Diepvens (Balen, Belgium)
2005 May  09.96 UT: m1=11.1, Dia.=2', DC=4 ... 15-cm R F/15 ... Diepvens (Balen, Belgium)
2005 May  09.92 UT: m1=10.8, Dia.=3', DC=3 ... 20-cm L (70x) ... A. Baransky (Bucha, Ukraine)
2005 May  09.85 UT: m1=11.1 CCD, Dia.=3.2' ... 0.25-m SC/CCD ... G. Sostero(Remanzacco, Italy) [The coma appears still elongated, now toward South. R Cousins filter used]
2005 May  08.95 UT: m1=10.7, Dia.=3.5', DC=3 ... 20-cm L (70x) ... A. Baransky (Bucha, Ukraine)
2005 May  08.89 UT: m1=11.6, Dia.=3.0', DC=5 ... 20-cm L (72x) ... Mike Begbie (Harare, Zimbabwe) [This was the first time that I detected a significant extension to the coma. Coma extended 2' in PA 120 degrees. There was a hint of a stellar central condensation at 150x.]
2005 May  07.93 UT: m1=10.9, Dia.=1.5', DC=4 ... 15-cm R F/15 ... Diepvens (Balen, Belgium)
2005 May  07.87 UT: m1=10.6, Dia.=3', DC=3, no tail ... 23.5-cm SC(94x) ... Carlos Labordena (Castellón,España) [oval]
2005 May  07.61 UT: m1=10.7, Dia.=2.6', DC=6 ... 46-cm L (68x) ... Shigeki Murakami (Niigata-ken, Japan)
2005 May  07.59 UT: m1=10.4, Dia.=4', DC=5 ...  20x100 B ... Yoshimi Nagai (Gunma, Japan) [This object is easy to observe with 10-cm binoculars in good sky.]
2005 May  07.39 UT: m1=10.4, Dia.=3', DC=3 ...  20.3-cm L ... George Zhou (Melbourne, Australia) [The comet is rather diffuse]
2005 May  07.01 UT: m1=10.4, Dia.=3', DC=5 ... 25x100 B  ... Juan Jose Gonzalez (Sierra del Aramo, alt. 1230 m, Asturias, North Spain) [20-cm SCT (100x): m1=10.9]
2005 May  05.83 UT: m1=11.6, Dia. 2.5', DC=3 ... 20-cm L (72x) ... Mike Begbie (Harare, Zimbabwe) [Comet more apparent visually tonight, but recorded as fainter, and with a smaller coma, and lower degree of condensation. More "compact" than last night.  Comparison stars at same altitude as comet, so atmospheric extinction correction not applied. Sidgewick Method used.]
2005 May  05.08 UT: m1=10.6, DC=3 ... 20.3-cm SCT f/10 ... Pierre Laporte (C.O.A.M.N.D., Québec, Canada)
2005 May  04.85 UT: m1=11.4, Dia.=4', DC=4 ... 20-cm L (72x) ... Mike Begbie (Harare, Zimbabwe) [First observation. Comparison stars at same altitude as comet, so atmospheric extinction correction not applied. Sidgewick Method used. No sign of any tail at this point, but slight possible extension to the coma in P.A 130 degrees. Comet faint, but clearly visible with direct vision with this aperture. Looking forward to Deep Impact!]
2005 May  04.49 UT: m1=10.4, Dia.=4.5', DC=5 ... 40.0-cm L f/4.5 (36x) ... Seiichi Yoshida (Gunma, Japan)
2005 May  04.10 UT: m1=10.6, DC=3 ... 20.3-cm SCT f/10 ... Pierre Laporte (C.O.A.M.N.D., Québec, Canada)
2005 May  03.89 UT: m1=10.9, Dia.=1.3', DC=5 ... 15-cm R f:15 ... Diepvens (Balen, Belgium)
2005 May  03.81 UT: m1=10.6, Dia.=4', DC=2/ ... 8-cm R ... Toni Scarmato (Calabria, Italy)
2005 May  03.52 UT: m1=10.2, Dia.=4.1', DC=5 ... 40.0-cm L f/4.5 (36x) ... Seiichi Yoshida (Gunma, Japan) [Surprisingly, it became much brighter, much larger than early Apr.. Now it looks like a usual comet, although the central condensation was very sharp in early Apr..]
2005 May  03.01 UT: m1=11.0, Dia.=1', DC=3 ... 14.3-cmL (45x) ... Alexandre Amorim (Florianopolis, Brazil)
2005 May  02.99 UT: m1=11.0, Dia.=3', DC=3 ... 20-cm L (70x) ... A. Baransky (Bucha, Ukraine)
2005 May  02.81 UT: m1=10.6, Dia.=~4', DC=3 ... 8-cm refractor ... Toni Scarmato (Calabria, Italy) [The comet has developed a bright ions tail visible on unfiltered CCD image. m1=11.1CCD, Dia.=+1'.4 ... 25-cm L+CCD+ Cousins R Filter. May  2.85 UT: m1=11.0, Dia.=+2'.8 ... 25-cm L+CCD unfiltered]
2005 May  02.08 UT: m1=11.2, Dia.=3.0', DC=5 ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Sierra del Aramo, alt. 1280 m, Asturias, North Spain)
2005 May  02.04 UT: m1=11.2, Dia.=0.5', DC=3/ ... 14.3-cmL (112x) ... Alexandre Amorim (Florianopolis, Brazil)
2005 May  01.99 UT: m1=11.3, Dia.=1.5', DC=2 ... 20.3-cm SCT f/10 (57x) ... Walter R.Robledo (Cordoba, Argentina) [in-out method]
2005 May  01.92 UT: m1=10.6, Dia.=1.5', DC=3 ... 20-cm SCT (80x) ... Jose J. Chambo (Hoya Redonda, Valencia, Spain)
2005 May  01.91 UT: m1=11.2 CCD, Dia.=3.2', Tail= 1.5' in PA: 210 deg ... 0.15m L/CCD ... G. Sostero (Mt Matajur, Italy) [Under a dark sky, the comet is now easy to image also with a small (6") aperture. R Cousins filter used]
2005 May  01.87 UT: m1=11.0, Dia.=2.8', DC=4 ... 20-cm L (38x) ... Tilen Cadez (Kamnik, Slovenia)
2005 May  01.05 UT: m1=11.2, Dia.=0.5', DC=2 ... 14.3-cmL (112x) ... Alexandre Amorim (Florianopolis, Brazil)
2005 Apr. 30.96 UT: m1=11.1, Dia.=3.2', DC=3 ... 20-cm L (70x) ... A. Baransky (Bucha, Ukraine)
2005 Apr. 30.94 UT: m1=10.6, Dia.=2.3', DC=4 ... 20-cm SCT (80x) ... Jose J. Chambo (Hoya Redonda, Valencia, Spain)
2005 Apr. 30.89 UT: m1=11.0, Dia.=1.4' ... 25-cm L+CCD+ Cousins R Filter ... Toni Scarmato (Calabria, Italy) [30.89 UT: m1=11.2, Dia.=1'.4 ... 25-cm L+CCD unfiltered]
2005 Apr. 30.89 UT: m1=10.7, Dia.=3.5', DC=2 ... 8-cm refractor ... Toni Scarmato (Calabria, Italy)
2005 Apr. 30.88 UT: m1=10.7, Dia.=2.5', DC=5 ... 30-cm L (60x) ... Vitali Nevski (Vitebsk, Belarus)
2005 Apr. 30.86 UT: m1=11.3, Dia.=1', DC=5 ... 15-cm R F:15 ... Diepvens (Balen, Belgium)
2005 Apr. 30.82 UT: m1=11.4, Dia.=1.8', DC=5 ... 41-cm L (63x) ... Sergey E. Shurpakov (Baran', Belarus)
2005 Apr. 30.56 UT: m1=10.6, Dia.=1.6, DC=6, Tail= 4' in PA: 180 deg ... 46-cm L (68x) ... Shigeki Murakami (Niigata-ken, Japan) [The tail was wide and it makes difficult to decide the position angle]
2005 Apr. 28.97 UT: m1=10.9, Dia.=3', DC=5 ... 25x100 B ... Juan Jose Gonzalez (Sierra del Aramo, alt. 1230 m, Asturias, North Spain) [20-cm SCT (100x): m1=11.3]
2005 Apr. 28.91 UT: m1=10.5, Dia.=3', DC=2 ... 8-cm refractor ... Toni Scarmato (Calabria, Italy) [28.91 UT: m1=10.7, Dia.=2'.1 ... 25-cm L+CCD+ Cousins R Filter]
2005 Apr. 27.90 UT: m1=11.5, Dia.=1.5', DC=4 ... 15-cm R (120x) ... Rafael Benavides (Posadas, Cordoba, Spain)
2005 Apr. 27.88 UT: m1=11.0, Dia.=3.0', DC=3 ... 20-cm L (38x) ... Tilen Cadez (Kamnik, Slovenia)
2005 Apr. 27.86 UT: m1=11.3, Dia.=1', DC=5 ... 15-cm R f/15 ... Diepvens (Balen, Belgium)
2005 Apr. 26.84 UT: m1=11.3 CCD, Dia.=3.2', Tail= 1.5' in PA 210 deg ... 0.25m SC/CCD ... M. and V. Gonano (Remanzacco, Italy) [Nice oval coma, with a wide fan tail toward south-west ... R Cousins filter used]
2005 Apr. 23.88 UT: m1=11.0 CCD, Dia.=3' ... 25-cm L+CCD Unfiltered ... Toni Scarmato (Calabria, Italy) [Strong moonlight]
2005 Apr. 17.08 UT: m1=11.6, Dia.=1.4', DC=5 ... 20-cm SCT (80x) ... Jose J. Chambo (Hoya Redonda, Valencia, Spain) [elongated coma, central condensation sharp]
2005 Apr. 16.99 UT: m1=11.5 CCD, Dia.=3.0', Tail= 2.0' in PA 210 deg ... 0.45-m L/CCD ... G. Sostero (Remanzacco, Italy) [Nice oval coma, with a wide fan tail toward south-west ... R Cousins filter used]
2005 Apr. 15.91 UT: m1=11.9, Dia.=90", DC=2, no tail ... 23.5-cm SC (94x) ... Carlos Labordena (Castellón,España)
2005 Apr. 15.25 UT: m1=12.2, DC=3 ... 20.3-cm SCT f/10 ... Pierre Laporte (C.O.A.M.N.D., Québec, Canada)
2005 Apr. 15.05 UT: m1=11.5 Dia.=1.8', DC=3/ ... 20-cm L (38x) ... Tilen Cadez (Kisovec, alt. 1250m, Slovenia) [Windy]
2005 Apr. 14.94 UT: m1=11.2 CCD, Dia.=2.6' ... 25-cm L+CCD Unfiltered ... Toni Scarmato (Calabria, Italy)
2005 Apr. 14.90 UT: m1=11.0, Dia=~3', DC=3 ... 8-cm R (20x) ... Toni Scarmato (Calabria, Italy)
2005 Apr. 12.98 UT: m1=11.5, Dia.=1.5', DC=3 ... 15-cm R (60x) ... Rafael Benavides (Posadas, Cordoba, Spain)
2005 Apr. 12.90 UT: m1=11.3, Dia.=2', DC=1 ... 8-cm R (20x) ... Toni Scarmato (Calabria, Italy)
2005 Apr. 12.87 UT: m1=11.9 CCD, Dia.=1.3' ... 25-cm L+CCD Unfiltered ... Toni Scarmato (Calabria, Italy)
2005 Apr. 12.14 UT: m1=11.6, Dia.=1.8', DC=4 ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Alto del Trichero - Soto y Amío, alt. 1190 m., León, North Spain)
2005 Apr. 11.87 UT: m1=11.4, Dia.=1', DC=6 ... 15-cm R F/15 ... Diepvens (Balen,Belgium)
2005 Apr. 10.86 UT: m1=11.4, Dia.=1', DC=6 ... 15-cm R F/15 ... Diepvens (Balen, Belgium)
2005 Apr. 10.00 UT: m1=11.6, Dia.=1.8', DC=4 ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Alto del Trichero - Soto y Amío, alt. 1190 m., León, North Spain)
2005 Apr. 09.93 UT: m1=11.4, Dia.=2', DC=4 ... 20-cm L (70x) ... A. Baransky (Bucha, Ukraine)
2005 Apr. 09.90 UT: m1=11.7, Dia.=1', DC=3, no tail ... 23.5-cm SC(94x) ... Carlos Labordena (Castellón,España)
2005 Apr. 08.03 UT: m1=11.5, Dia.=2', DC=4 ... 20-cm L (70x) ... A. Baransky (Bucha, Ukraine)
2005 Apr. 07.97 UT: m1=11.4, Dia.=2.6' ... 25-cm L+CCD Unfiltered ... Toni Scarmato (Calabria, Italy)
2005 Apr. 07.88 UT: m1=11.6, Dia=~2', DC=1 ... 8-cm R (20x) ... Toni Scarmato (Calabria, Italy)
2005 Apr. 06.28 UT: m1=11.8, DC=3 ... SCT 8" f/10 ... Pierre Laporte (C.O.A.M.N.D., Québec, Canada)
2005 Apr. 05.97 UT: m1=11.5, Dia.=2.0', DC=s5 ... 36-cm L (90x) ... A. Baransky (Pylypovychi, Ukraine)
2005 Apr. 05.87 UT: m1=11.8 CCD, Dia.=3.0', Tail= 1.4' in PA 230 deg ... 0.25m SC/CCD ... A. Lepardo & V. Santini(Remanzacco, Italy) [The sky is a little hazy ... R Cousins filter used]
2005 Apr. 05.81 UT: m1=11.3, Dia.=2.0', DC=4 ... 30-cm L (60x) ... Vitali Nevski (Vitebsk, Belarus)
2005 Apr. 05.55 UT: m1=11.6, Dia.=1.2', DC=7 ... 40.0-cm L f/4.5 (144x) ... Seiichi Yoshida (Ibaraki, Japan) [Very bright! The central condensation is very sharp, surrounded with a fan shaped coma.] 
2005 Apr. 04.93 UT: m1=11.7 CCD, Dia.= 3.0', Tail= 1.4' in PA 230 deg ... 0.25m SC/CCD ... G. Sostero (Remanzacco, Italy) [The coma asymmetry is becaming more clear. Cousins R filter used]
2005 Apr. 04.91 UT: m1=11.5, Dia.=2.1', DC=s5 ... 36-cm L (90x) ... A. Baransky (Pylypovychi, Ukraine) [Comet possible in outburst, strong central condensation (unusually for comets of mag 11.5m), starlike pseudo nucleus of mag 13.1m ... bright surface of coma]
2005 Apr. 03.93 UT: m1=11.8, Dia.=1.0', DC=5/... 40-cm f/4.5 L (57x)... Tilen Cadez (Kosise, Rezman observatory, Slovenia)
2005 Apr. 03.91 UT: m1=12.1 CCD, Dia.= 1.5', Tail= 1.5' in PA 230 deg ... 0.25m SC/CCD ... G. Sostero (Remanzacco, Italy)
2005 Apr. 03.86 UT: m1=11.1, Dia.=2.0', DC=5 ... 30-cm L (60x) ... Vitali Nevski (Vitebsk, Belarus)
2005 Apr. 03.25 UT: m1=12.2, Dia.=1', DC=3 ... 25-cm L f/5.6 (72x) ... Kenneth Drake (Willis, Texas) [central condensation easily seen @180x, comet over 60 deg. high in NELM 5.9 skies]
2005 Apr. 02.94 UT: m1=11.7 CCD, Dia.=1.2' ... 25-cm L+CCD unfiltered ... T. Scarmato (Calabria,Italy)
2005 Apr. 02.93 UT: m1=12.1 CCD, Dia.=1.5', Tail= 1.5' in PA 230 deg ... 0.25m SC/CCD ... A. Lepardo, M. & V. Gonano (Remanzacco, Italy)
2005 Apr. 02.84 UT: m1=11.7, Dia.=--, DC=2 ... 20-cm L (100x) ... Andrew Pearce (Noble Falls, Western Australia)
2005 Apr. 02.03 UT: m1=12.1, Dia.=1', DC=4 ... 30-cm L(105x) ... Marcin Filipek (Jerzmanowice near Cracow, Poland)
2005 Apr. 01.94 UT: m1=12.2 CCD, Dia.=1.4', Tail= 1.5' in PA 230 deg ... 0.25m SC/CCD ... G. Sostero (Remanzacco, Italy) [Narrowband filtered photometry in the red dust continuum, shows very similar results to the Cousins R photometry: small gas contamination at this wavelengths]
2005 Mar. 31.94 UT: m1=11.8, Dia.=2.1', DC=3 ... 20-cm L (80x) ... A. Baransky (Bucha, Ukraine)
2005 Mar. 31.92 UT: m1=12.5 CCD, Dia.=1.4', Tail= 1.3' in PA 220 deg ... 0.45-m L/CCD ... G. Sostero (Remanzacco, Italy) [Well developed coma ... bent tail ... BVRI photometry of the coma provides very solar-like colors]
2005 Mar. 31.14 UT: m1=12.5, DC=3 ... SCT 8" f/10 ... Pierre Laporte (C.O.A.M.N.D., Québec, Canada)
2005 Mar. 29.87 UT: m1=11.8, Dia.=2.2', DC=4 ... 36-cm L (90x) ... A. Baransky (Pylypovychi, Ukraine)
2005 Mar. 18.18 UT: m1=12.4, Dia.=1.2', DC=4 ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Sierra del Aramo, alt. 1275 m., Asturias, North Spain)
2005 Mar. 16.94 UT: m1=12.7 CCD, Dia.=0.6' ... 25-cm L+CCD unfiltered ... T. Scarmato (Calabria,Italy)
2005 Mar. 16.00 UT: m1=13.0 CCD, Dia.= 1.2', Tail= 0.6' in PA 240 deg ... 0.25m SCT/CCD ... G. Sostero (Remanzacco, Italy) [Coma with a distinct central condensation. Cousins R filter used]
2005 Mar. 15.93 UT: m1=12.9 CCD, Dia.=0.6' ... 25-cm L+CCD unfiltered ... T. Scarmato (Calabria,Italy)
2005 Mar. 14.92 UT: m1=13.1 CCD, Dia.=0.6' ... 25-cm L+CCD unfiltered ... T. Scarmato (Calabria,Italy)
2005 Mar. 14.01 UT: m1=13.4 CCD, Dia.=1.2', Tail= 0.8' in PA 240 deg ... 0.25-m SCT/CCD ... G. Sostero (Remanzacco, Italy) [Cousins R filter used]
2005 Mar. 12.00 UT: m1=13.4 CCD, Dia.=1' ... 25-cm L+CCD unfiltered ... T. Scarmato (Calabria,Italy)
2005 Mar. 11.94 UT: m1=12.7, Dia.=1.2', DC=3 ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Camposagrado, alt. 1135 m., León, North Spain)
2005 Mar. 11.83 UT: m1=12.9, Dia.=1', DC=4 ... 20-cm L (100x) ... Andrew Pearce (Noble Falls, Western Australia)
2005 Mar. 10.95 UT: m1=13.7, Dia.=0.5', DC=3 ... 30-cm L (180x) ... Vitali Nevski (Vitebsk, Belarus)
2005 Mar. 09.91 UT: m1=12.8, Dia.=2', DC=2, no tail ... 23.5-cm SCT (x94) ... Carlos Labordena (Castellón,España)
2005 Mar. 08.57 UT: m1=12.7, Dia.=0.8', DC=4 ... 40.0-cm L f/4.5 (144x) ... Seiichi Yoshida (Ibaraki, Japan) [Although it was not visible at all in February, I was surprised that it became easily visible within last one month. Very small, rather strongly condensed.]
2005 Mar. 08.01 UT: m1=13.1, Dia.=0.7', DC=4 ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Camposagrado, alt. 1140 m., León, North Spain)
2005 Mar. 06.07 UT: m1=13.6 CCD, Dia.=1.1', Tail= 1.0' in PA 263 deg ... 0.45m L/CCD ... G. Sostero (Remanzacco, Italy) [Very nice elongated coma. Cousins R filter used]
2005 Mar. 02.96 UT: m1=13.0, Dia.=1.3', DC=s4 ... 36-cm L (90x) ... A. Baransky (Pylypovychi, Ukraine)[Clearly seen comet, diffuse coma with starlike central cond.]
2005 Mar. 01.99 UT: m1=13.3, Dia.=0.6', DC=4 ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Camposagrado, alt. 1140 m., León, North Spain)
2005 Mar. 01.11 UT: m1=13.9 CCD, Dia.=1.1', Tail= 1.2' in PA 273 deg ... 0.45m L/CCD ... G. Sostero (Remanzacco, Italy) [Cousins R filter used]
2005 Feb. 19.11 UT: m1=14.4 CCD, Dia.=0.9', Tail= 1.2' in PA 270 deg ... 0.45m L/CCD ... G. Sostero (Remanzacco, Italy) [The tail is slightly curved toward north. Easy objet for CCDs now. Cousins R filter used]
2005 Feb. 11.09 UT: m1=[13.3, Dia.=!0.7'... 36-cm L (90x) ... A. Baransky (Pylypovychi, Ukraine)
2005 Feb. 09.13 UT: m1=15.2 CCD, Dia.=0.9', Tail= 0.5' in PA 290 deg ... 0.25m SCT/CCD ... G. Sostero (Remanzacco, Italy) [The coma is appears pretty condensed. Cousins R filter used]
2005 Feb. 06.05 UT: m1=15.1 CCD, Dia.=0.8', Tail= 0.5' in PA 280 deg ... 0.25m SCT/CCD ... G. Sostero (Remanzacco, Italy) [Some disturbance due to the proximity of a bright star. Cousins R filter used]
2005 Feb. 05.65 UT: m1=[13.9 ...  40.0-cm L f/4.5 (144x) ... Seiichi Yoshida (Ibaraki, Japan) [Too faint to see visually still now]
2005 Feb. 02.16 UT: m1=15.5 CCD, Dia.=0.8', Tail= 1' in PA 284 deg ... 0.25m SCT/CCD ... G. Sostero (Remanzacco, Italy) [The coma is well developed now, and the tail is clearly visible as a diffuse fan in antisolar diection. Cousins R filter used]
2005 Jan. 20.21 UT: m1=16.0 CCD, Dia.=0.7' ... 0.25m SCT/CCD ... G. Sostero (Remanzacco, Italy) [Cousins R filter used]
2005 Jan. 16.21 UT: m1=16.4 CCD, Dia.=0.3', Tail= 0.8' in PA 290 deg ... 0.25m SCT/CCD ... G. Sostero (Remanzacco, Italy) [first evidence of a very faint tail in antisolar direction. Cousins R filter used]
2004 Dec. 19.13 UT: m2=17.6 CCD ... 0.25-m SCT/CCD ... G. Sostero (Remanzacco, Italy) [stellar appearance, recognized because of its proper motion. Cousins R filter used]
2004 Dec. 10.12 UT: m2=17.2 CCD ... 0.25-m SCT/CCD ... G. Sostero (Remanzacco, Italy) [stellar appearance, recognized because of its proper motion along half an hour]