* * * * * 153P/Ikeya-Zhang * * * * *

lightcurves images Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2002 8 12.89 S 12.5 HS 25.6L 84 2.8 1 BIV Ablis 2002 8 10.89 S 11.8 TK 25.6L 84 2.5 1 BIV Ablis 2002 8 10.89 S 11.6:TK 25.6L 42 3 1 BIV Ablis 2002 7 30.86 S 10.4 HS 20.3L 63 6 0/ GUZ Krosno 2002 7 30.54 S 12.0:HS 27.5T 84 3 1 MAT Wallaroo, SA 2002 7 28.87 S 10.0 TJ 20.3L 63 5 0 GUZ Krosno 2002 7 15.958 S 10.3 TK 31.0J 58 2.7 0 DIJ Sint Annen 2002 7 15.955 S 10.2 TK 31.0J 58 4 0/ BOU Sint Annen 2002 7 13.96 S 9.6 TK 25.6L 42 6 2 BIV Ablis 2002 7 11.954 S 10.0 TK 25.4J 47 4.3 0/ BOU Sint Annen 2002 7 11.915 S 10.5:TK 30.5T 116 >3 0 COM Roden 2002 7 10.960 S 10.0:TK 25.4J 47 & 4 0/ BOU Sint Annen (Comet is still fairly large, but has become very diffuse: just a faint glow gradually disappearing into sky background.) 2002 6 29.87 S 8.6 TJ 5.0B 10 10 2 GUZ Krosno 2002 6 28.93 S 8.9 TK 25.6L 42 6.5 2 BIV Ablis 2002 6 27.98 S 8.8:TK 5.0B 7 5 3 BIV Noordwijk 2002 6 27.97 S 9.0 TK 20.3L 48 5 2 BIV Noordwijk 2002 6 27.87 S 8.7 TJ 5.0B 10 8 2 GUZ Krosno 2002 6 26.86 S 8.7 TJ 5.0B 10 9 1 GUZ Krosno 2002 6 25.88 S 8.6 TJ 5.0B 10 8 1 GUZ Krosno 2002 6 22.91 S 8.3 TJ 15.0L 48 8 2 GUZ Krosno 2002 6 20.99 S 8.1 TJ 5.0B 10 9 3 GUZ Krosno 2002 6 18.980 S 8.1 TT 15.6L 29 6 1/ BOU Groningen 2002 6 18.97 S 7.9 TJ 5.0B 10 12 3 0.5 315 GUZ Krosno 2002 6 18.02 S 8.1 TK 20.3L 48 6 2 BIV Noordwijk 2002 6 18.00 S 7.6:TK 5.0B 7 10 3 BIV Noordwijk 2002 6 17.974 S 7.9 TT 15.6L 29 7 1/ BOU Groningen 2002 6 17.92 S 7.7 TT 6.0B 20 5 2/ RES Szamotuly 2002 6 17.88 S 7.7 TJ 5.0B 10 12 2 0.5 315 GUZ Krosno 2002 6 16.99 S 7.6 TK 5.0B 7 10 3 BIV Noordwijk 2002 6 16.96 S 7.4 TT 6.0B 20 5 3 RES Szamotuly 2002 6 16.53 S 7.5 AA 5.0B 10 SEA The Entrance, NSW 2002 6 16.02 S 7.5 TK 5.0B 7 9 2 GRA Albufeira, Portugal (Low surface brightness object with ill-defined boundaries. Bortle scale 6 sky [NE limit about 5.5].) 2002 6 15.93 S 7.3 TT 6.0B 20 5 3 RES Szamotuly 2002 6 15.87 S 7.5 TJ 5.0B 10 15 3 0.8 315 GUZ Krosno 2002 6 15.51 S 7.3 AA 5.0B 10 SEA The Entrance, NSW 2002 6 14.98 S 7.4 TK 5.0B 7 8 2/ GRA Albufeira, Portugal 2002 6 14.92 S 7.2 TT 6.0B 20 7 3 RES Szamotuly 2002 6 13.91 S 7.2 TT 6.0B 20 7 3 RES Szamotuly 2002 6 13.89 S 7.3 TJ 5.0B 10 12 2 0.5 310 GUZ Krosno 2002 6 12.88 S 7.2 TJ 5.0B 10 12 3 0.5 310 GUZ Krosno 2002 6 12.60 S 7.1 AA 5.0B 10 SEA Cowra, NSW 2002 6 11.961 S 7.3 TT 8.0B 15 9 1/ BOU Groningen (Comet still fairly large, but becoming very diffuse.) 2002 6 11.94 S 7.1 TT 6.0B 20 7 3/ RES Szamotuly 2002 6 11.44 S 6.9 AA 2.5B 2 SEA Cowra, NSW 2002 6 9.58 S 6.8 AA 5.0B 10 SEA The Entrance, NSW 2002 6 9.06 S 7.0 TK 5.0B 7 15 3 BIV Versailles (With 25.6-cmL at 169x, central condensation at m=13.4.) 2002 6 8.54 S 6.7 AA 5.0B 10 SEA The Entrance, NSW 2002 6 6.87 S 6.9 TT 6.9B 20 9 3 RES Szamotuly 2002 6 6.52 S 6.6 AA 5.0B 10 15 SEA The Entrance, NSW 2002 6 5.97 S 6.8 TK 5.0B 7 14 3 BIV Noordwijk 2002 6 5.89 S 7.2 TT 6.0B 20 9 3 RES Szamotuly 2002 6 4.97 S 6.9 TJ 5.0B 10 15 3 0.7 290 GUZ Bialka Tatrzanska (Two tails were visible in 10x50B: 0.7 deg. in p.a. 290 deg and 0.5 deg in p.a. 180 deg.) 2002 6 4.97 S 6.7 TJ 0.0E 1 15 3 0.7 290 GUZ Bialka Tatrzanska (Excellent conditions, NEL=7.3) 2002 6 4.58 S 6.6 AA 5.0B 10 SEA The Entrance, NSW 2002 6 3.90 S 7.1 TT 6.0B 20 8 3/ RES Szamotuly 2002 6 2.00 S 7.0:TT 6.0B 20 & 9 3 RES Szamotuly (Comet lies 6' from star Tau7 Ser. Cannot make a good estimate with bright star near coma. Estimate may have been slightly biased by previous observations of this comet.) 2002 6 1.99 S 6.5 TK 5.0B 7 14 5 BIV Ablis (With 25.6-cmL at 169x, central condensation at m=13.4; 0.6-deg dust tail in p.a. 290 deg. at 42x.) 2002 6 1.54 S 6.7 AA 5.0B 10 SEA The Entrance, NSW 2002 5 31.96 S 6.6 TJ 5.0B 10 14 4 GUZ Krosno 2002 5 31.958 S 6.7 TJ 8.0B 15 &11 2/ COM Roden 2002 5 31.944 S 6.7 TJ 5.0B 7 13 3 DIJ Sint Annen 2002 5 31.942 S 6.7 TT 5.0B 7 11 3/ BOU Sint Annen 2002 5 31.90 S 6.9 TT 6.0B 20 10 3 RES Szamotuly 2002 5 31.44 S 6.7 AA 5.0B 10 SEA The Entrance, NSW 2002 5 30.986 S 6.6 TJ 8.0B 15 12 3 COM Roden 2002 5 30.98 S 6.4 TK 5.0B 7 17 4 BIV Ablis (With 25.6-cmL at 169x, central condensation at m=13.4; 0.5-deg dust tail in p.a. 290 deg. at 42x.) 2002 5 30.962 S 6.6 TT 5.0B 7 12 3 BOU Groningen 2002 5 30.928 S 6.6 TJ 5.0B 7 13 2/ DIJ Groningen 2002 5 30.92 S 6.9 TT 6.0B 20 10 3/ RES Szamotuly 2002 5 29.961 S 6.5 TJ 8.0B 15 12 3 COM Roden 2002 5 29.952 S 6.6 TT 5.0B 7 12 3 BOU Groningen 2002 5 29.926 S 6.6 TJ 5.0B 7 16 2/ DIJ Groningen 2002 5 28.926 S 6.5 TT 5.0B 7 11 3/ BOU Groningen 2002 5 26.95 S 6.2 TK 5.0B 7 15 4 BIV Noordwijk-binnen 2002 5 26.949 S 6.5 TT 5.0B 10 10 3 BOU Groningen 2002 5 26.944 S 6.5 TJ 5.0B 7 10 2/ DIJ Groningen 2002 5 25.969 S 6.4 TT 8.0B 15 10 2/ BOU Groningen 2002 5 25.961 S 6.4 TJ 5.0B 7 12 2/ DIJ Groningen 2002 5 24.961 S 6.3 TJ 5.0B 7 12 2/ DIJ Groningen 2002 5 24.956 S 6.3 TT 5.0B 10 11.5 3 BOU Groningen 2002 5 24.89 S 6.3 TT 5.0B 15 7 3 RES Szamotuly 2002 5 23.997 S 6.1 TJ 5.0B 7 14 3 DIJ Groningen 2002 5 23.99 S 6.0 HV 5.0B 7 17 4 BIV Noordwijk-binnen 2002 5 23.983 S 6.3 TT 5.0B 7 13 3 BOU Groningen 2002 5 22.88 S 6.4 TT 5.0B 15 8 3 RES Szamotuly 2002 5 21.98 S 6.1 TJ 5.0B 7 11 3/ GRA Fjellhamar 2002 5 21.98 S 6.1 TJ 7.0R 24 11 4 GRA Fjellhamar (In 7x50B, the comet not an easy object, but much better seen with the 7.0-cmR at 24x. Bright twilight [Sun 9.5 deg. below horizon], Moon and some cloud interference. This was probably my last visual observation of this comet from Norway.) 2002 5 21.957 S 6.0 TJ 5.0B 7 12 3/ DIJ Groningen 2002 5 21.943 S 6.1 TT 5.0B 7 14 3/ BOU Groningen 2002 5 21.87 S 6.0 TT 5.0B 15 11 3/ RES Szamotuly 2002 5 20.964 M 6.0 TT 5.0B 7 15 3/ BOU Groningen 2002 5 20.938 S 6.1 TJ 5.0B 7 12 3/ DIJ Groningen 2002 5 20.88 S 5.9 TT 5.0B 15 10 3/ RES Szamotuly 2002 5 20.017 S 6.0 TJ 5.0B 7 14 4 DIJ Groningen 2002 5 19.961 M 6.0 TT 5.0B 7 15 4 BOU Groningen 2002 5 19.03 S 5.6 HV 5.0B 7 22 5 BIV Ablis 2002 5 19.02 S 5.6 HV 0.0E 1 20 5 BIV Ablis (With 25.6-cmL at 169x, central condensation at m=13.1; 0.7-deg ion tail in p.a. 195 deg. at 42x.) 2002 5 18.98 M 5.9 TJ 5.0B 7 13 4 GRA Fjellhamar 2002 5 18.87 S 5.7 TT 5.0B 15 13 3 RES Szamotuly 2002 5 17.97 M 5.8 TJ 5.0B 7 14 4 GRA Fjellhamar 2002 5 17.965 M 5.8 TT 5.0B 7 15 4/ BOU Groningen 2002 5 17.944 S 5.8 TJ 5.0B 7 13 4/ DIJ Groningen 2002 5 17.88 S 5.8 TT 5.0B 15 14 4 0.2 200 RES Szamotuly 2002 5 17.00 M 5.8 TJ 5.0B 7 15 4 GRA Fjellhamar 2002 5 16.98 S 5.6 TT 5.0B 15 14 4 0.3 200 RES Szamotuly (Comet still moderately visible NE. Tail is very faint now. M13 nearby.) 2002 5 16.96 B 5.5 HV 0.0E 1 20 5 BIV Noordwijk-binnen 2002 5 16.96 S 5.5 HV 5.0B 7 20 5 BIV Noordwijk-binnen (With 20.3-cmL at 191x, central condensation at m=12.9.) 2002 5 16.921 M 5.7 TT 5.0B 7 15 5 BOU Groningen 2002 5 16.921 S 5.8 TJ 5.0B 7 14 5 DIJ Groningen 2002 5 16.00 S 5.4 HV 0.0E 1 20 5 BIV Noordwijk-binnen 2002 5 15.99 S 5.6 HV 5.0B 7 23 4 BIV Noordwijk-binnen (With 20.3-cmL at 191x, central condensation at m=12.5.) 2002 5 15.92 S 5.6 TT 5.0B 15 15 3/ RES Szamotuly 2002 5 15.92 S 5.4 TT 0.7E 1 18 3 RES Szamotuly 2002 5 15.910 S 5.8 TJ 5.0B 7 15 6 DIJ Groningen 2002 5 15.908 M 5.7 TT 5.0B 7 14 4/ BOU Groningen 2002 5 15.907 S 5.9 TT 5.0B 10 11 5 COM Roden (In 30.5-cmT at 56x very short faint tail visible) 2002 5 15.65 S 6.0 TT 5.0B 7 12 4 MAT Wallaroo, SA 2002 5 14.98 M 5.8 TJ 5.0B 7 15 4 GRA Fjellhamar (The glow of coma was clearly weaker than that of M13. My observations from May 14.98-18.98 were made in nautical twilight [the Sun was 11-10 deg below the astronomical horizon]. The sky brightness was comparable to full Moon conditions. 2002 5 14.897 S 5.7 TJ 5.0B 7 11 6 DIJ Groningen 2002 5 14.87 S 5.8 TT 6.0B 20 15 3/ RES Szamotuly (Very good conditions, comet still naked eye object. No tail seen.) 2002 5 13.88 S 5.8 TT 6.0B 20 12 3/ RES Szamotuly 2002 5 12.99 S 5.7 TT 6.0B 20 12 3/ RES Szamotuly 2002 5 12.96 S 5.3 HV 5.0B 7 28 5 0.5 215 BIV Pico-Veleta, Spain 2002 5 12.957 S 5.7 TT 5.0B 10 &12 5 COM Roden 2002 5 12.95 S 5.2 HV 0.0E 1 30 5 BIV Pico-Veleta, Spain 2002 5 12.916 M 5.5 TT 5.0B 7 13 5/ BOU Sint Annen (Also visible NE without much difficulty, but getting rather faint.) 2002 5 12.916 M 5.6 TT 5.0B 7 16 4/ DIJ Sint Annen 2002 5 11.92 S 5.2 HV 5.0B 7 25 5 2.0 215 BIV Pico-Veleta, Spain 2002 5 11.91 S 5.2 HV 0.0E 1 20 5 BIV Pico-Veleta, Spain (With 20.3-cmT at 267x, central condensation at m=12.7. Thin, irregular 1-deg ion tail in p.a. 215 deg. at 67x.) 2002 5 11.86 S 5.6 TT 6.0B 20 14 3/ 1 225 RES Szamotuly 2002 5 10.87 S 5.5 TT 6.0B 20 14 4 1 225 RES Szamotuly 2002 5 10.38 S 5.4 TT 5.0B 7 10 4 MAT Wallaroo, SA 2002 5 9.85 S 5.6 TT 6.0B 20 12 4 1 225 RES Szamotuly 2002 5 9.02 M 5.4 TJ 5.0B 7 14 5 GRA Fjellhamar 2002 5 8.88 S 5.4 TT 6.0B 20 15 4 1.5 225 RES Szamotuly 2002 5 7.99 M 5.3 YG 5.0B 7 13 5 GRA Fjellhamar 2002 5 7.99 I 5.2 YG 0.7E 1 GRA Fjellhamar 2002 5 7.97 S 5.3 TT 6.0B 20 14 4 1.2 225 RES Szamotuly 2002 5 7.97 S 5.4 TT 0.7E 1 17 3/ RES Szamotuly 2002 5 7.934 S 5.3 TT 5.0B 10 &10 6 COM Roden 2002 5 7.927 M 5.2 TJ 5.0B 7 10 5 1 224 DIJ Groningen 2002 5 7.926 M 5.2 TT 5.0B 7 12 4/ BOU Groningen 2002 5 7.08 S 5.0 HV 0.0E 1 20 5 BIV Poigny-la-foret 2002 5 7.08 S 5.1 HV 5.0B 7 20 4 1.2 225 BIV Poigny-la-foret (With 25.6-cmL at 169x, central condensatiom at m=12.5.) 2002 5 7.02 M 5.2 YG 5.0B 7 13 5 GRA Fjellhamar 2002 5 7.02 I 5.2 YG 0.7E 1 GRA Fjellhamar 2002 5 6.84 S 5.2 TT 6.0B 20 13 4 1 225 RES Szamotuly 2002 5 5.98 M 5.2 YG 5.0B 7 12 5 1.4 230 GRA Fjellhamar 2002 5 5.98 I 5.2 YG 0.7E 1 GRA Fjellhamar 2002 5 5.915 M 5.0 TT 5.0B 7 13 5 BOU Groningen 2002 5 5.90 S 5.3 TT 6.0B 20 15 4 1 230 RES Szamotuly (Well visible by naked eye. Tail faint.) 2002 5 5.899 S 5.4 TJ 5.0B 7 14 5 2 238 DIJ Groningen 2002 5 5.01 M 5.1 YG 5.0B 7 13 5 GRA Fjellhamar 2002 5 5.01 I 5.0 YG 0.7E 1 GRA Fjellhamar (With 20.3-cmT at 100x, the coma appeared very diffuse, but still well condensed (DC=6); a faint and narrow tail, at least 0.4 deg. long and in p.a. 225 deg., seemed to originate from the false nucleus. In 7x50B, the brightness distribution of coma was similar to that of M13, although the coma appeared considerably larger and brighter. It remained visible to naked eye and 7x50B until true solar altitudes of -10.3 deg and -7.0 deg, respectively.) 2002 5 4.94 S 5.1 TT 6.0B 20 12 4 1 230 RES Szamotuly 2002 5 4.09 B 4.7 HV 0.0E 1 15 5 BIV Versailles 2002 5 4.07 S 4.7 HV 5.0B 7 18 5 2.0 230 BIV Versailles (With 25.6-cmL at 333x, central condensatiom at m=13.4.) 2002 5 3.99 S 5.1 TT 6.0B 20 12 4 0.6 230 RES Szamotuly 2002 5 3.99 M 5.0 YG 5.0B 7 13 5 1.8 230 GRA Fjellhamar 2002 5 3.99 I 4.9 YG 0.7E 1 GRA Fjellhamar (Comet visible to naked eye as a diffuse patch. With 7x50B the coma appeared somewhat elongated. Solar altitude -14 deg.) 2002 5 2.940 S 4.9 TJ 5.0B 7 14 5/ 2 240 DIJ Groningen 2002 5 2.925 S 4.5 AA 3.0B 8 9 6 LOO Genk 2002 5 2.924 M 4.8 TT 5.0B 7 14 6 2.5 245 BOU Sint Annen (Tail is still rather long, but very faint. Comet was also rather easy NE object.) 2002 5 2.911 S 4.7 TJ 5.0B 10 11 6/ COM Roden (Very pleasant view in 30.5-cmT at 56x, with straight faint tail >1 deg. and bright coma.) 2002 5 2.91 S 5.0 TT 6.0B 20 12 4 0.8 235 RES Szamotuly (Well visible NE.) 2002 5 2.015 S 4.6 TJ 5.0B 10 13 6/ COM Roden (Short, faint tail of about 1.5 deg. visible in 15x80 binoculars). 2002 5 1.99 S 4.9 TT 6.0B 20 10 4/ 1.2 240 RES Ostrorog (Before moonrise. Comet well visible NE again. Ostrorog is a small village with population 1500 about 15 km from my hometown Szamotuly. No light pollution out here! Tail faint.) 2002 5 1.920 M 4.8 TT 5.0B 7 13 5/ BOU Groningen 2002 5 1.90 S 4.6 HV 5.0B 7 17 5 1.2 240 BIV Noordwijk-binnen 2002 5 1.89 B 4.5 HV 0.0E 1 15 5 BIV Noordwijk-binnen (With 20.3-cmL at 298x, central condensation at m=12.2.) 2002 5 1.88 S 4.8 TT 0.7E 1 12 3/ RES Mormin Lake, Ostrorog (Observed from village with mag. 7 skies near Mormin Lake near Ostrorog. Comet easy NE.) 2002 4 30.99 S 4.8 TT 6.0B 20 10 4/ 1.7 250 RES Szamotuly 2002 4 29.99 M 4.7 YG 5.0B 7 12 4/ GRA Fjellhamar 2002 4 29.99 I 4.6 YG 0.7E 1 GRA Fjellhamar (Briefly seen through gaps in clouds.) 2002 4 29.951 S 4.5 TJ 5.0B 7 15 6 2.1 255 DIJ Groningen 2002 4 29.94 S 4.9 TT 6.0B 20 8 4 1.5 250 RES Szamotuly (Comet still easy naked eye object. Moonrise. Excellent conditions.) 2002 4 29.90 B 4.5 HV 0.0E 1 15 5 BIV Longuesse 2002 4 29.91 S 4.5 HV 5.0B 7 15 5 2.0 255 BIV Longuesse (With 25.6-cmL at 169x, central condensatiom at m=12.8.) 2002 4 29.874 M 4.6 TT 5.0B 7 15 6 3 260 BOU Sint Annen (Comet still well condensed, but tail has become very faint.) 2002 4 27.84 S 5.1 TT 6.0B 20 6 3/ 0.5 275 RES Szamotuly (Moonlight.) 2002 4 26.89 S 4.5 HV 5.0B 7 15 5 BIV 2002 4 25.979 S 4.5 AA 3.0B 8 6 6 LOO Genk 2002 4 25.92 S 4.4 HV 5.0B 7 16 5 0.8 275 BIV Noordwijk-binnen 2002 4 25.91 S 4.3 HV 0.0E 1 15 5 BIV Noordwijk-binnen (With 20.3-cmL at 95x, central condensation at m=12.1.) 2002 4 25.03 I 4.5 YG 0.7E 1 GRA Fjellhamar 2002 4 25.03 M 4.6 YG 5.0B 7 12 5 1.5 298 GRA Fjellhamar (Comet still not difficult to see with naked eye in spite of a nearly full Moon. A clear and transparent sky certainly helps!) 2002 4 24.965 S 4.6 TJ 5.0B 7 15 5/ 1.7 284 DIJ Groningen (Moonlight.) 2002 4 24.941 M 4.7 TT 5.0B 7 15 5/ 2 285 BOU Groningen (Moonlight.) 2002 4 24.910 S 4.4 AA 3.0B 8 5 6 LOO Genk 2002 4 24.89 S 4.4 HV 5.0B 7 15 5 1.0 280 BIV Noordwijk-binnen (With 20.3-cmL at 95x, central condensation at m=11.4.) 2002 4 24.85 S 4.9 TT 6.0B 20 8 4 1 290 RES Szamotuly (Moonlight.) 2002 4 23.85 S 4.8 TT 6.0B 20 8 3/ 1 290 RES Szamotuly (Moonlight.) 2002 4 23.99 M 4.5 YG 5.0B 7 11 5 1.7 292 GRA Fjellhamar (Despite some cloud interference and an 11-d old Moon the comet was clearly visible to naked eye and its moderately narrow tail was not too hard to see in 7x50B.) 2002 4 22.92 S 4.6 TT 6.0B 20 8 3 1 RES Szamotuly (Moonlight. Well visible by naked eye. Tail about 1 deg.) 2002 4 22.079 S 4.2 AA 3.0B 8 6 6 LOO Genk 2002 4 21.84 S 4.6 TT 6.0B 20 7 4 1 305 RES Szamotuly (Moonlight.) 2002 4 21.10 S 4.1 HV 0.0E 1 15 5 BIV 2002 4 21.10 S 4.1 HV 5.0B 7 15 5 2.5 300 BIV (With 25.6-cmL at 169x, central condensatiom at m=11.7.) 2002 4 21.02 M 4.2 YG 5.0B 7 10 6 3.6 297 GRA Hågår Obs., Eina (Easily seen with naked eye as a diffuse spot. Tail near coma was moderately bright, otherwise faint. Bortle class 4-5 sky [first quarter Moon and astronomical twilight].) 2002 4 20.14 B 4.0 HV 0.0E 1 15 5 1.0 320 BIV Longuesse 2002 4 20.13 B 4.1 HV 5.0B 7 15 5 3.0 310 BIV Longuesse 2002 4 20.00 I 4.1 YG 0.7E 1 GRA Fjellhamar 2002 4 20.00 M 4.1 YG 5.0B 7 9 5/ 1.3 310 GRA Fjellhamar (The tail was much fainter than the coma. Comet was faint to NE in a hazy sky. 2002 4 19.93 S 3.9 HV 0.0E 1 15 5 BIV 2002 4 19.92 S 4.0 HV 5.0B 7 15 5 2.5 310 BIV (With 25.6-cmL at 169x, central condensatiom at m=11.4.) 2002 4 18.86 S 4.4 TT 6.0B 20 8 4 2 320 RES Szamotuly 2002 4 17.99 M 4.0 YG 5.0B 7 9 6 1.2 313 GRA Fjellhamar 2002 4 17.99 I 4.0 YG 0.7E 1 GRA Fjellhamar 2002 4 17.84 S 4.2 TT 6.0B 20 7 5 1 320 RES Szamotuly 2002 4 16.87 M 4.1 YG 5.0B 7 9 5 2.0 330 GRA Blindern, Oslo 2002 4 16.85 S 3.7 TT 6.0B 20 7 6 2.0 330 RES Szamotuly 2002 4 16.13 B 4.3:HV 5.0B 7 12 6 1.5 320 BIV Versailles 2002 4 15.85 M 4.1 YG 5.0B 7 7 5/ GRA Nyland, Oslo 2002 4 14.13 B 3.8 HV 0.0E 1 10 5 4.0 330 BIV Longuesse 2002 4 14.12 B 4.0 HV 5.0B 7 10 6 6.0 335 BIV Longuesse 2002 4 14.104 S 3.9 AA 3.0B 8 5 8 2 LOO Genk (2 deg. dusttail. Gastail is 4 deg. long in p.a. 346 deg.) 2002 4 13.90 B 4.0 HV 5.0B 7 11 6 4.0 330 BIV Longuesse 2002 4 13.90 B 3.8 HV 0.0E 1 10 5 2.0 330 BIV Longuesse 2002 4 13.89 M 4.2 YG 5.0B 7 8 6 2.6 341 GRA Blindern, Oslo 2002 4 13.83 S 3.5 TT 6.0B 20 5 6 RES Poznan (Hazy sky.) 2002 4 12.15 B 3.9 HV 5.0B 7 10 6 1.5 345 BIV Versailles 2002 4 11.14 B 3.8 HV 5.0B 7 8 6 2.5 345 BIV Noordwijk-binnen 2002 4 11.104 S 3.7 AA 3.0B 8 5 9 LOO Genk 2002 4 10.84 B 3.9 HV 5.0B 7 10 5 1.5 350 BIV Noordwijk-binnen 2002 4 10.14 B 3.9 HV 5.0B 7 7 7 BIV Noordwijk-binnen 2002 4 10.099 M 3.6 TT 5.0B 7 9 7 5.3 347 BOU Sint Annen 2002 4 10.09 M 4.0 YG 5.0B 7 6 7 3.5 348 GRA Fjellhamar 2002 4 10.09 I 3.9 YG 0.7E 1 GRA Fjellhamar (Western edge of tail appeared sharp, its eastern boundary was more diffuse. Somewhat hazy, Bortle class 6 sky at best.) 2002 4 8.83 B 3.8 HV 5.0B 7 7 7 2.0 355 BIV Noordwijk-binnen 2002 4 8.83 S 3.6 TT 6.0B 20 5 6/ 3 355 RES Szamotuly 2002 4 8.15 B 3.8 HV 5.0B 7 9 6 3.0 355 BIV Noordwijk-binnen 2002 4 8.15 S 3.7 HV 0.0E 1 10 6 BIV Noordwijk-binnen 2002 4 8.139 S 3.0 AA 5.0B 10 8 8 2.5 LOO Grand Bois (2.5 deg. dusttail. Gastail is at least 4 deg., maybe even 6 deg., long in p.a. 356 deg. Coma appears bluish green. Nearly stellar central condensation.) 2002 4 8.098 B 3.5 TT 5.0B 7 8 7 5.5 355 BOU Sint Annen 2002 4 8.092 aS 3.5 TJ 5.0B 7 10 6/ 6.3 1 DIJ Sint Annen 2002 4 7.83 S 3.6 TT 6.0B 20 6 7 3.5 10 RES Szamotuly 2002 4 7.15 B 3.7 HV 5.0B 7 10 7 6.0 355 BIV Domart 2002 4 7.14 S 3.7 HV 0.0E 1 10 6 6.0 0 BIV Domart (With naked eye, ion tail 6 deg. in p.a. 0 deg. and dust tail 3 deg. in p.a. 10 deg.) 2002 4 7.122 S 3.2 AA 5.0B 10 3 8 LOO Genk (2.5 deg. dusttail and 4 deg. gastail.) 2002 4 6.88 B 3.7 HV 5.0B 7 8 7 6.0 0 BIV Domart 2002 4 6.86 I 3.7 YG 0.7E 1 4 GRA Hågår Obs., Eina 2002 4 6.86 B 3.8 YG 5.0B 7 6 7 7.6 2 GRA Hågår Obs., Eina (With 7x50B the comet was a prominent object, much brighter than the nearby Andromeda Galaxy M31. The intensity of tail was equal to or brighter than the central part of M31 for 3 deg., it curved slightly near coma. The outermost part of tail was faint, but the sky immediately east of it appeared notably darker. An excessive defocusing with naked eye gave mag. 3.0 [coma + inner tail]. Both the comet and M31 were easily seen to naked eye. This observation was made shortly after my arrival to Hågår Observatory, the sky, however, became overcast shortly afterwards.) 2002 4 6.86 S 3.4 TT 6.0B 20 6 7 4 10 RES Szamotuly 2002 4 6.855 S 3.3 TJ 5.0B 10 7 6 COM Roden 2002 4 6.84 S 3.6 HV 0.0E 1 10 7 5.0 0 BIV Domart 2002 4 6.825 B 3.5 TJ 5.0B 7 2 8 3 JOH Gronau 2002 4 6.17 B 3.8 HV 5.0B 7 7 7 4.0 0 BIV Ablis 2002 4 6.15 S 3.7 HV 0.0E 1 10 7 1.5 0 BIV Ablis 2002 4 6.132 S 2.9 AA 5.0B 10 7 8 2 LOO Grand Bois (2 deg. dusttail. Gastail is 3.5 deg. long in p.a. 2 deg.) 2002 4 5.89 I 3.7 YG 0.7E 1 4 GRA Tryvann, Oslo 2002 4 5.89 B 3.7 YG 5.0B 7 5 7 4.9 3 GRA Tryvann, Oslo (The bluish colour of coma was clearly seen and both the narrow and sharply defined gas tail and the broader and more diffuse dust tail were visible, the latter curved slightly towards east. The comet was easily seen to naked eye in a fairly transparent Bortle class 5 sky.) 2002 4 5.854 B 3.2 TJ 0.0E 1 7 5 COM Roden 2002 4 5.839 B 3.4 TJ 5.0B 7 7/ 7.0 2 DIJ Sint Annen 2002 4 5.834 M 3.3 TT 5.0B 7 8 7/ 5.7 1 BOU Sint Annen 2002 4 5.823 B 3.4 TJ 5.0B 7 3 8 3 JOH Lattrop 2002 4 5.17 S 3.7 HV 5.0B 7 7 7 2.5 0 BIV Noordwijk-binnen 2002 4 5.153 S 3.0 AA 5.0B 10 5 8 2 12 LOO Genk (2 deg. dusttail. Gastail is 2.5 deg. long in p.a. 3 deg.) 2002 4 5.12 S 3.2 TT 6.0B 20 5 7 5.5 15 RES Szamotuly 2002 4 5.12 S 3.1 TT 0.7E 1 & 3 8/ RES Szamotuly 2002 4 4.844 aB 3.3 TJ 0.0E 1 7 COM Roden (In 7x50B, about 6 degrees of tail visible; broader at the end.) 2002 4 4.834 I 3.4 TJ 0.7E 1 8 4.0 4 DIJ Sint Annen 2002 4 4.833 B 3.3 TJ 5.0B 7 10 7/ 6.0 4 DIJ Sint Annen 2002 4 4.842 aI 3.3 TT 0.7E 1 BOU Sint Annen 2002 4 4.833 aB 3.4 TT 5.0B 7 7 7/ 6.5 2 BOU Sint Annen (Comet impressive to the naked eye with two tails clearly visible. In 7x50B, the gastail can be followed for at least 6.5 degrees, with a 4.2 degree dusttail slightly curving away to the east, the end being at about p.a. 20 deg as seen from the head of the comet.) 2002 4 4.823 B 3.4 TJ 5.0B 7 3 8 3.5 JOH Lattrop 2002 4 4.82 S 3.8 HV 5.0B 7 7 7 3.0 5 BIV Noordwijk-binnen 2002 4 4.82 S 3.6 HV 0.0E 1 10 7 BIV Noordwijk-binnen 2002 4 4.171 S 2.8 AA 5.0B 10 8 1.7 8 LOO Genk 2002 4 4.17 S 3.5 HV 5.0B 7 6 7 2.0 10 BIV Noordwijk-binnen 2002 4 3.860 S 3.5 TJ 5.0B 10 6/ & 4 COM Roden 2002 4 3.86 S 3.7 HV 5.0B 7 8 7 3.0 15 BIV Noordwijk-binnen 2002 4 3.85 M 3.8 YG 5.0B 7 6 6/ 4.2 7 GRA Tryvann, Oslo (Coma appeared more diffuse and tail less prominent than before, but comet was still considerably brighter than nearby M31. Observation affected by haze/mist and local light sources [M31 was only faintly seen in 7x50B], although conditions were not too bad near zenith [Bortle class 6].) 2002 4 3.84 B 3.6 YG 5.0B 7 5 8 2.5 13 SKI Hønefoss (Western edge of tail appeared sharply defined. Comet not seen to NE due to strong haze.) 2002 4 3.833 S 2.9 AA 5.0B 10 5 8 2 LOO Genk 2002 4 3.833 B 3.2 TJ 5.0B 7 8 6.0 13 DIJ Sint Annen 2002 4 3.829 aB 3.4 TT 5.0B 7 6 7/ 5.1 11 BOU Sint Annen 2002 4 3.82 B 3.5 HV 0.0E 1 10 7 BIV Noordwijk-binnen 2002 4 3.16 S 3.6 HV 5.0B 7 5 8 1.5 10 BIV Noordwijk-binnen 2002 4 3.155 S 2.9 AA 5.0B 10 5 8 2 LOO Genk (2 deg. dusttail. Gastail is 3.3 deg. long in p.a. 7 deg.) 2002 4 2.827 sB 3.3 TT 5.0B 7 7/ 4.5 17 BOU Sint Annen 2002 4 2.827 B 3.2 TJ 5.0B 7 8 5.0 22 DIJ Sint Annen 2002 4 2.81 S 3.4 TT 6.0B 20 5 8 4 10 RES Szamotuly 2002 4 1.826 B 3.3 TT 5.0B 7 7/ 4.6 21 BOU Sint Annen 2002 4 1.825 B 3.3 TJ 5.0B 7 7 4.9 21 DIJ Sint Annen 2002 4 1.816 S 2.9 AA 5.0B 10 8 LOO Genk 2002 4 1.81 S 3.4 TT 6.0B 20 4 8 3 15 RES Szamotuly 2002 3 30.88 B 3.5 YG 5.0B 7 5 7 2.7 30 GRA Tryvann, Oslo (Strong colour contrast with nearby Beta And. Very hazy, comet was not visible with NE.) 2002 3 30.83 S 3.4 HV 5.0B 7 5 7 2.5 15 BIV 2002 3 30.82 S 3.2 TT 6.0B 20 4 8 3 15 RES Szamotuly 2002 3 30.15 S 3.0 TT 6.0B 20 5 8 3 10 RES Szamotuly 2002 3 29.83 B 3.4 YG 5.0B 7 4 7/ 3.0 24 GRA Tryvann, Oslo 2002 3 29.83 I 3.3 YG 0.7E 1 2 GRA Tryvann, Oslo (The tail curved ~10 deg. in anti-clockwise direction. Its western part was quite sharply defined [apparently the gas component], while its eastern part [dust tail?] was more diffuse. Comet was clearly visible to naked eye despite interference from clouds, mist and Moon.) 2002 3 29.823 aI 3.2 TT 0.7E 1 BOU Sint Annen 2002 3 29.821 aB 3.2 TT 5.0B 7 7/ 4.4 28 BOU Sint Annen (Comet esily visible to NE, being somewhat brighter than alfa Tri, despite a near full moon low over the eastern horizon. In 7x50B, coma is becoming less condensed, and the tail is not as intense anymore as it was a week ago.) 2002 3 29.820 aB 3.2 TJ 5.0B 7 8 3.9 21 DIJ Noorddijk 2002 3 29.81 B 3.4 HV 5.0B 7 5 8 BIV 2002 3 29.806 S 3.3 AA 5.0B 10 8 3 LOO Genk (3 deg. dusttail. Gastail is 2.2 deg. long in p.a. 32 deg.) 2002 3 29.80 S 3.1 TT 6.0B 20 5 7/ 2.5 20 RES Szamotuly 2002 3 29.16 B 3.5 YG 5.0B 7 3.5 8 0.5 GRA Fjellhamar 2002 3 29.16 N 7.0:TK 20.3T 100 3.5 7 GRA Fjellhamar (Morning observation in strong twilight, clouds prevented earlier observing.) 2002 3 28.816 aB 3.3 TT 5.0B 7 8 3.5 30 BOU Zuidwolde 2002 3 28.81 B 3.4 YG 5.0B 7 4 8 2.1 30 GRA Blindern, Oslo 2002 3 28.81 I 3.3 YG 0.7E 1 1 GRA Blindern, Oslo (Comet appeared much brighter than M31 and was clearly visible with naked eye, despite interference from twilight, Moon and clouds.) 2002 3 28.809 aB 3.2 TJ 5.0B 7 8 8 4.3 34 DIJ Noorddijk 2002 3 28.795 S 3.2 AA 5.0B 10 8 2 LOO Genk (Twilight. Bluish coma.) 2002 3 28.79 S 3.4 TT 6.0B 20 5 7/ 1 50 RES Szamotuly 2002 3 27.816 S 3.3 AA 5.0B 10 9 8 1 LOO Genk (Coma yellowish green. Tail 2 deg. long in 25-cmL.) 2002 3 27.81 B 3.5 HV 5.0B 7 5 8 3.0 35 BIV Noordwijk-binnen 2002 3 27.81 B 3.4 HV 0.0E 1 5 7 BIV Noordwijk-binnen 2002 3 27.809 sB 3.4 TT 5.0B 10 8 & 3 35 BOU Groningen 2002 3 27.809 sS 3.7 TJ 5.0B 10 8 & 1 COM Roden (Bad conditions with moon and thin cirrus, tail ~1 deg. visible.) 2002 3 27.802 sB 3.4 TJ 5.0B 7 3 8 0.5 JOH Gildehaus 2002 3 27.79 S 3.2 TT 6.0B 20 5 8/ 1 60 RES Szamotuly 2002 3 26.82 B 3.4 YG 5.0B 7 4 8 2.1 37 GRA Nyland, Oslo (Comet faintly seen with naked eye. Some cloud interference and full Moon. Observed from my working place.) 2002 3 26.815 S 3.5 AA 5.0B 10 8 1.5 LOO Genk 2002 3 26.792 aB 3.4 TJ 5.0B 7 3 8 1.5 JOH Gildehaus (Comet also visible to naked eye, and estimated to be mag. 3.3 after correction for extinction.) 2002 3 25.816 S 3.5 AA 5.0B 10 8 LOO Genk (Moonlight.) 2002 3 25.792 aB 3.2 TJ 5.0B 7 3 8 1 JOH Gronau 2002 3 24.828 B 3.0 TJ 5.0B 7 8 & 4 DIJ Noorddijk 2002 3 24.82 M 3.6 YG 5.0B 7 4 8 2.0 43 GRA Blindern, Oslo 2002 3 24.82 N 7.8:TK 15.2L 107 3.5 7 GRA Blindern, Oslo (With 15.2L [107x], coma was clearly blue-green in colour, but no inner coma features were detected except for the false nucleus and the bright central condensation; the tail appeared to originate from the western part of coma. Comet not seen to naked eye due to haze/high clouds.) 2002 3 24.813 S 3.5 AA 5.0B 10 8 1.2 29 LOO Genk (Moonlight.) 2002 3 24.81 B 3.5 HV 5.0B 7 4 8 1.5 45 BIV Noordwijk-binnen 2002 3 24.809 B 3.1 TT 5.0B 7 & 6 8 4.5 43 BOU Zuidwolde (Comet also faintly seen NE, despite bright moonlight and thin cirrus.) 2002 3 24.17 !M 3.6 YG 5.0B 7 3.5 6 GRA Fjellhamar (First morning observation in a very bright sky [Sun 8 deg. below horizon] at 6.5 deg. altitude. Comet only faintly seen in 7x50B as a diffuse star.) 2002 3 23.86 I 3.0 YG 0.7E 1 9 3.7 SKI Hønefoss (In 7x50B, the tail was seen for 4-deg. in p.a. 50 deg. Comet and tail was clearly visible with naked eye. Clear sky and Moon.) 2002 3 23.845 B 3.1 TJ 5.0B 7 8 & 4 DIJ Noorddijk 2002 3 23.82 I 3.4 YG 0.7E 1 3 GRA Tryvann, Oslo 2002 3 23.82 M 3.5 YG 5.0B 7 4 8 3.8 43 GRA Tryvann, Oslo 2002 3 23.82 N 7.8 TK 7.0R 69 4.0 7/ GRA Tryvann, Oslo (An easy naked eye object, tail was also clearly seen. With 7x50B, the coma appeared blue-green and the tail curved somewhat in anti-clockwise direction, its outer part was ~1/2 deg. wide. In 7.0R [69x], there were hints of streamers in the inner tail and an apparently stellar nucleus was surrounded by a very bright central condensation. Bortle class 6 sky with Moon.) 2002 3 23.82 B 3.5 HV 5.0B 7 4 8 4.5 45 BIV Noordwijk-binnen 2002 3 23.812 B 3.1 TJ 5.0B 7 3 7/ 1.5 JOH Gildehaus 2002 3 23.81 B 3.5 HV 0.0E 1 5 8 1.5 50 BIV Noordwijk-binnen 2002 3 22.86 B 3.2 YG 5.0B 7 4 8/ 5 49 SKI Rømminga, Larvik (The comet was also well visible with naked eye, its tail was seen for 2 deg. Moon, otherwise favourable conditions.) 2002 3 22.85 M 3.5 YG 5.0B 7 4 8 1.5 49 GRA Fjellhamar (Hazy sky, comet not seen with naked eye.) 2002 3 22.824 B 3.1 TJ 5.0B 7 8 6 47 DIJ Noorddijk 2002 3 22.819 I 2.9 TT 0.7E 1 9 BOU Sint Annen 2002 3 22.815 B 3.0 TT 5.0B 7 8 5.5 50 BOU Sint Annen 2002 3 22.81 B 3.6 HV 5.0B 7 5 8 4.5 50 BIV Noordwijk-binnen 2002 3 22.802 aB 3.4 TJ 5.0B 7 2 8 & 2 JOH Gildehaus (Despite moonlight comet easily visible NE at magnitude 3.1.) 2002 3 22.80 B 3.4 HV 0.0E 1 1.8 45 BIV Noordwijk-binnen 2002 3 22.79 S 2.8 TT 6.0B 20 4 8/ 1 60 RES Poznan (Bright city background. Comet visible by naked eye.) 2002 3 22.78 3.3 5.0B 7 7 6 3 45 BAR Milan 2002 3 21.816 S 4.2 AA 5.0B 10 9 2 47 LOO Genk 2002 3 21.80 B 3.5 HV 5.0B 7 5 8 2.0 55 BIV Noordwijk-binnen 2002 3 20.79 S 3.0 TT 6.0B 20 5 8/ & 5 60 RES Szamotuly 2002 3 19.801 aB 3.2 TT 5.0B 7 8 5 55 BOU Sint Annen (Despite moon and twilight the comet is impressive in 7x50 binoculars. It has a very intense bluish-white condensation, and a straight tail with rather sharp northern edge, and more diffuse, slightly curving, southern edge.) 2002 3 19.790 aS 3.5 TJ 5.0B 7 3 7/ 1 JOH Gronau (Unfavourable conditions: twilight, moonlight, citylights, and some cloud.) 2002 3 19.785 aB 3.6 TJ 5.0B 7 6 8 DIJ Noorddijk (Observed in strong twilight before clouds moved in.) 2002 3 19.77 3.6 5.0B 7 6 8 2 45 BAR Milan (Finally another observation of the comet after 8 days of dense fog.) 2002 3 18.82 S 3.7 HV 5.0B 7 4 8 3.5 60 BIV Noordwijk-binnen 2002 3 18.81 S 3.6 HV 0.0E 1 5 8 2.0 60 BIV Noordwijk-binnen 2002 3 18.809 B 3.5 TJ 5.0B 7 3 7/ 2 JOH Gronau 2002 3 18.78 S 3.1 TT 6.0B 20 5 8 &3.5 65 RES Szamotuly (Comet very easy naked eye object. By NE tail is faintly visible [about 0.4 deg long].) 2002 3 17.78 S 3.3 TT 6.0B 20 5 8 &2.5 68 RES Szamotuly 2002 3 16.792 B 3.9 TJ 5.0B 7 & 3 7/ 1 JOH Gronau 2002 3 15.83 M 3.9 YG 5.0B 7 3 8 1.7 63 GRA Fjellhamar 2002 3 15.83 I 3.9 YG 0.7E 1 GRA Fjellhamar 2002 3 15.83 N 7.7:TK 7.0R 69 2.8 7 0.9 60 GRA Fjellhamar (In 7x50B the m1 was derived by defocusing stars to ~5' disks, a further defocusing to ~20' gave mag. 3.5 [ref. YG], but this includes coma plus inner tail. In 7.0-cm R [69x] the tail was notably brighter at its preceeding part and there were hints of streamers near the head. The coma showed an apparently stellar nucleus surrounded by a bright and small central condensation, other coma features were not detected. Bortle class 5-6 sky.) 2002 3 15.82 B 3.7 YG 5.0B 7 4 8 4.4 60 SKI Hønefoss 2002 3 15.82 I 3.6 YG 0.7E 1 1.5 SKI Hønefoss (Tail curved slightly at 0.5-1 deg from coma and was easily seen for 3 deg. The comet had a bluish hue and showed a notable colour contrast with the yellow-orange star Eta Psc.) 2002 3 15.80 B 3.9 HV 5.0B 7 4 8 1.0 BIV Noordwijk-binnen 2002 3 14.82 I 3.9 YG 0.7E 1 2 GRA Hågår Obs., Eina 2002 3 14.82 B 3.9 YG 5.0B 7 3 8 4.3 62 GRA Hågår Obs., Eina (The comet was an easy object with naked eye, its defocused magnitude (coma + inner tail) was 3.5. In 7x50B, the tail was bright for the first 2 deg., its outer part was wider and faint. In 25.4-cm f/6 L [76x], several streamers were detected in the inner tail. Conditions were generally very good with clear sky and transparent sky [Bortle scale 3 at best], but the comet was located well within the zodiacal light. The comet was first detected in 25.4-cm f/6 L [218x] on 17h40m UT at solar altitude -3.7 deg. The comet then showed a stellar-like nucleus surrounded by a inner coma of ~8".) 2002 3 14.80 wB 3.9 TJ 6.3B 9 3.4 7/ 4.3 64 DAH Copenhagen 2002 3 14.78 wI 3.9 TJ 0.7E 1 2.0 DAH Copenhagen (The comet was first spotted with the naked eye on Mar. 14.77 UT when the solar altitude was -11 degrees. The head of the comet was a quite easy, stellar-looking naked eye object, but the tail was only faintly visible to the naked eye. In 9x63B [on Mar. 14.80 UT], the coma had an intensely blue-green color, and the innermost part of the tail had a similar color, although much less obvious. The innermost 2 degrees of the tail were very obvious in binoculars. Cold and very clear sky with moderate light pollution [Bortle class 5-6].) 2002 3 13.82 I 3.9 YG 0.7E 1 SKI Hønefoss 2002 3 13.82 M 4.0 YG 5.0B 7 4 7/ 3.4 66 SKI Hønefoss (The comet appeared as a star with naked eye and was seen within the zodiacal light. In 8.0-cm f/5 R [40x], the tail showed knot-like structures near coma.) 2002 3 13.82 B 3.9 HV 0.0E 1 4 8 1.0 BIV Noordwijk-binnen 2002 3 13.81 B 4.0 HV 5.0B 7 3 8 3.2 68 BIV Noordwijk-binnen 2002 3 13.801 I 3.8 TT 0.7E 1 BOU Bedum 2002 3 13.80 I 4.0 YG 0.7E 1 GRA Blindern, Oslo 2002 3 13.80 M 4.0 YG 5.0B 7 3 8 3.0 65 GRA Blindern, Oslo (The comet was seen with naked eye without much trouble, its tail was obvious in 7x50B despite a Bortle scale 6 sky.) 2002 3 13.798 S 4.2 TJ 5.0B 10 9 8/ &4.5 COM Roden (Very good conditions, fine straight tail!) 2002 3 13.797 B 3.8 TT 5.0B 7 6 8 4.5 65 BOU Bedum (Comet an impressive sight in binoculars, showing a bright straight tail. Intensity of tail increased dramatically since last observation 6 days ago. Also easily visible NE.) 2002 3 13.796 B 4.2 TT 5.0B 7 8 7/ 6.5 54 DIJ Bedum 2002 3 12.78 sB 3.9 TJ 6.3B 9 3.1 7/ 2.0 70 DAH Copenhagen (The innermost part of the tail was very obvious. The comet was faintly visible to the naked eye. "Summer" extinction corrections were applied due to a slightly hazy sky. Some light pollution [Bortle class 6 sky].) 2002 3 12.77 M 4.1 YG 5.0B 7 3 7/ 0.6 70 GRA Nyland, Oslo (Observed during a break at work in twilight. First detected at solar altitude -7.5 deg.) 2002 3 11.80 B 4.3 HV 5.0B 7 4 8 1.5 70 BIV Noordwijk-binnen 2002 3 11.77 4.4 8.0B 20 6 BAR Milan 2002 3 11.77 S 3.8 TT 6.0B 20 5 8/ RES Szamotuly (Tail at p.a. 75deg. Due to cirrus I can't see any details...) 2002 3 10.792 aB 4.5 TJ 5.0B 7 & 3 7/ 1 JOH Gronau 2002 3 10.78 B 4.4 HV 5.0B 7 4 8 BIV 2002 3 10.77 S 3.9 TT 6.0B 20 4.5 8/ 4 70 RES Szamotuly 2002 3 9.82 B 4.4 HV 5.0B 7 4 8 2.0 75 BIV 2002 3 9.82 B 4.4 HV 0.0E 1 4 8 BIV 2002 3 9.81 M 4.4 YG 5.0B 7 8 3 65 SKI Hønefoss (Tail appeared straight. The comet was not difficult to see with naked eye. Bortle class 4 sky at best [NEL slightly better than 6.0 at zenith, mag. 5 near comet].) 2002 3 9.81 B 4.4 YG 5.0B 7 4 7/ 4.3 70 GRA Hågår Obs., Eina 2002 3 9.81 M 4.4 YG 7.0R 24 4 7/ 2 70 GRA Hågår Obs., Eina 2002 3 9.81 B 4.4 YG 0.7E 1 1 GRA Hågår Obs., Eina (Tail was bright and narrow near coma, its outer part was faint and about 0.5 deg wide. The beginning of tail was somewhat curved (from ~50 deg to 70 deg). Coma appeared blue-green in 7.0-cm R (24x). The comet was clearly seen with naked eye and was best seen at 7 deg. altitude at the end of astronomical twilight. Coma and inner tail remained visible in 7x50B until the comet set below the local horizon at true altitude 2 deg.) 2002 3 9.785 aS 4.8 TJ 5.0B 7 1 8 JOH Gronau (Briefly very clear between showers in windy conditions. Interference from citylights of Enschede.) 2002 3 9.78 B 4.5 TJ 6.3B 9 3.1 8 1.3 76 DAH Copenhagen (The coma had a blue-green color. No extinction correction was applied, since the comparison stars were at a similar altitude as the comet. Comet seen in gaps between drifting clouds. Some light pollution.) 2002 3 8.79 B 4.6 HV 25.6L 42 4 7 0.5 70 BIV 2002 3 8.78 B 4.5 HV 5.0B 7 5 7 BIV 2002 3 8.76 S 4.3 TT 6.0B 20 & 4 9 RES Rusalka Lake, Poznan 2002 3 8.40 B 5.0 AA 10.0B 25 SEA Cowra, NSW (Conditions less favourable than previous evenings with some cloud and haze. Comet very low.) 2002 3 7.808 M 5.3 TJ 5.0B 7 5/ DIJ Zuidwolde 2002 3 7.80 I 4.3 YG 0.7E 1 SKI Hønefoss 2002 3 7.80 M 4.4 YG 5.0B 7 8 2.4 SKI Hønefoss (Tail was straight and easier to see than on Mar. 4.79. Bortle class 4-5 sky.) 2002 3 7.80 B 4.7 HV 20.3L 48 4.0 8 0.9 75 BIV Noordwijk-binnen 2002 3 7.80 B 4.4 HV 0.0E 1 BIV Noordwijk-binnen 2002 3 7.79 B 4.5 HV 5.0B 7 4 8 1.5 75 BIV Noordwijk-binnen 2002 3 7.79 M 4.7 YG 5.0B 7 3 7/ 3.0 75 GRA Movatn, Oslo 2002 3 7.79 7.0R 24 3.0 7 1.9 75 GRA Movatn, Oslo 2002 3 7.79 I 4.7 YG 0.7E 1 GRA Movatn, Oslo (An impressive object in 7.0-cmR! Coma appeared distinctly blue-green and inner part of tail was easily visible. The narrow tail could be traced for 3 deg in 7x50B. Comet also faintly seen to naked eye. Favourable conditions [Bortle class 4-5 at best].) 2002 3 7.786 B 4.7 TT 5.0B 7 & 5 8 3.5 73 BOU Bedum 2002 3 7.785 S 5.1 TJ 5.0B 10 & 6 8 & 1 COM Nieuw-Roden (Tail ~1 degree, yellowish colour of coma, very condensed.) 2002 3 7.78 B 4.7 TJ 6.3B 9 2.5 8 0.95 73 DAH Copenhagen (The coma had a clearly greenish-bluish color, and the first 20' of the tail was easily visible. No extinction correction was applied, since the comparison stars were at a similar altitude as the comet. Observed from a park in the city [some light pollution].) 2002 3 7.77 4.8 8.0B 20 6 BAR Milan 2002 3 7.40 B 5.2 AA 10.0B 25 SEA Cowra, NSW (Tail visible for about one degree in twilight.) 2002 3 6.41 B 5.2 AA 10.0B 25 SEA Cowra, NSW (Tail visible for about one degree. Quite obvious, especially with averted vision, despite low altitude and twilight. Comet an impressive sight; very blue against a twilight sky.) 2002 3 5.41 B 5.3 AA 10.0B 25 SEA Cowra, NSW (Tail visible for at least half degree in twilight.) 2002 3 4.79 M 5.1 YG 5.0B 7 7 1.5 SKI Hønefoss (The comet was also faintly seen to naked eye.) 2002 3 4.79 !M 5.3 YG 7.0R 24 3.0 6 GRA Nyland, Oslo (Low altitude (8 1/2 deg) and poor sky [haze and light pollution, NEL near comet only approx. mag. 2.5]. Observed during a break at work.) 2002 3 3.78 !B 5.2 YG 5.0B 7 3.5 7 0.9 70 GRA Movatn, Oslo 2002 3 3.78 !M 5.2 YG 7.0R 24 3.5 7 1.2 70 GRA Movatn, Oslo (Tail was quite narrow, innermost ~6' was bright. Sky was rather dark [Bortle class 4-5 at best), but comet was not seen with naked eye. Altitude of comet 9.5 - 8 deg.) 2002 3 3.77 5.6 5.0B 7 4 BAR Milan 2002 3 3.76 5.4 8.0B 20 4 BAR Milan 2002 3 2.78 !M 5.3 YG 5.0B 7 3.5 7 GRA Harestua 2002 3 2.78 7.0R 24 3.5 7 0.8 75 GRA Harestua (Easily seen in 7x50B as a diffuse star. In 7.0-cmR, an about 5' long jet like structure was seen in same direction as tail. Generelly favourable conditions [Bortle class 4], but observation was affected by low altitude [8 deg] and clouds.) 2002 3 2.39 B 5.6 AA 10.0B 25 7 SEA The Entrance, NSW (Poor conditions due to low altitude, twilight and glare from streetlights. Probably only inner coma visible. Strong blue colour noted. No tail visible.) 2002 3 1.782 aM 5.3 TT 5.0B 7 & 4 8 BOU Bedum (In 25.4-cm reflector at 58x strongly condensed coma with a distinct bluish-white colour. Tail >1 deg. long in p.a. 75 deg.) 2002 2 28.776 M 5.3 TT 8.0B 15 4 8 1.2 75 BOU Groningen (Very strong central condensation. Gastail faint, but unambiguously seen.) 2002 2 26.777 aM 5.8 TT 8.0B 15 4 7 BOU Bedum (Comet well visible, despite bright moonlight, and low elevation of 11 deg.) 2002 2 24.760 5.9 8.0B 20 2 9 BAR Milan 2002 2 23.78 M 6.3 HV 7.0R 24 2.5 6 GRA Blindern, Oslo (Altitude only 4.3 deg, but no extinction correction applied as comparison star HIP 4207 was at same altitude [within 0.1 deg].) 2002 2 20.77 M 6.6 TJ 7.0R 24 3 6 GRA Tryvann, Oslo (Coma appeared compact and of rather high surface brightness, not unlike a planetary nebula. Comet well visible despite altitude 6 deg. and astronomical twilight.) 2002 2 18.46 B 6.9 TT 10.0B 25 3.0 5 MAT Wallaroo, SA 2002 2 17.46 B 7.1 TT 10.0B 25 3.0 5 MAT Wallaroo, SA 2002 2 16.772 S 7.1 TJ 8.0B 15 3.5 5/ DIJ Bedum 2002 2 16.765 M 6.9 TJ 8.0B 15 4 7 BOU Bedum 2002 2 16.765 M 7.2 TJ 8.0B 15 & 4 6/ COM Drogteropslagen 2002 2 15.781 S 7.4 TJ 5.0B 7 4/ DIJ Groningen 2002 2 15.765 S 7.3 TJ 8.0B 15 & 5 7 COM Nieuw Roden (Condensed object, easy despite Moon only 7 degrees away. Very good sky.) 2002 2 15.764 S 7.5 AA 10.0B 14 3 8 LOO Genk 2002 2 15.766 M 7.0 TJ 8.0B 15 4 7 BOU Bedum 2002 2 15.760 M 7.0 TJ 25.4J 58 3 7 BOU Bedum (Comet strongly condensed and well visible in twilight, despite presence of small lunar crescent only 7 degrees away. In 25-cm reflector short faint tail visible, roughtly pointing east.) 2002 2 14.764 S 7.7 AA 10.0B 14 3.5 7 LOO Genk 2002 2 14.762 M 7.2 TJ 8.0B 15 3.5 6/ BOU Bedum 2002 2 14.74 S 7.1 TJ 6.3B 9 2.1 5 DAH Copenhagen (Comet only faintly visible in binoculars despite unusually clear and cold weather. The altitude of the comet was 10 degrees and the altitude of the Sun -12 degrees during the observation.) 2002 2 14.43 S 7.2 AA 10.0B 25 SEA Cowra, NSW 2002 2 13.75 S 7.2 TJ 7.0R 24 2.5 5 GRA Tryvann, Oslo (Comet visible without much trouble despite low altitude [7 deg.] and quite bright sky [twilight and light pollution].) 2002 2 13.42 S 7.3 AA 10.0B 25 SEA Cowra, NSW 2002 2 12.44 S 7.6 AA 10.0B 25 16m 83 SEA Cowra, NSW 2002 2 11.48 B 7.7 TT 10.0B 25 2.5 4 MAT Wallaroo, SA 2002 2 10.48 B 7.8 TT 10.0B 25 2.5 4 MAT Wallaroo, SA (Transparency good. Short ion tail noted in p.a. 80 deg.) 2002 2 10.42 M 7.6 AA 10.0B 25 SEA The Entrance, NSW 2002 2 8.42 S 7.9 AA 10.0B 25 3 SEA The Entrance, NSW (Very strongly enhanced through Swan Band filter.) 2002 2 6.48 B 8.1 TT 10.0B 25 2 4 MAT Wallaroo, SA (Click here for todays image of this comet. Celestron C11 + MX7c 5x15sec exposure, FOV 12'x9'.) 2002 2 5.48 B 8.3 TT 10.0B 25 2 4 MAT Wallaroo, SA 2002 2 4.48 B 8.6 TT 10.0B 25 2 4 MAT Wallaroo, SA (Slight central condensation noted. Click here for todays image of this comet.) 2002 2 2.751 S 8.4 TJ 8.0B 15 4 BOU Lauwersoog 2002 2 2.750 S 8.4 TJ 31.0J 58 3 5 DIJ Lauwersoog 2002 2 2.747 S 8.5 TJ 31.0J 58 2.8 4/ BOU Lauwersoog (In 0.31-m reflector easily visible as a well condensed object. Also faintly visible in 15x80B, despite low elevation of only 9 degrees.)