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* * * * * C/2002 O4 (Hönig) * * * * *
lightcurve Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2002 10 19.15 S[12.0 HS 20.3L 63 ! 2 GUZ Krosno (Comet not seen despite high altitude [more than 20 deg] and very good conditions, NEL=6.2 near this comet.) 2002 10 5.18 S 11.6:TK 25.6L 42 2.5 2 BIV Ablis 2002 9 29.794 S 10.6 TK 25.4J 72 3.5 0 DIJ Bedum 2002 9 29.791 S 10.6 TK 25.4J 72 3 0/ BOU Bedum 2002 9 28.81 S 10.5 TK 25.6L 42 3.5 2 BIV Ablis 2002 9 24.83 S 10.0:TK 20.3L 48 2 3 BIV Noordwijk (At 95x Mag. is 10.3.) 2002 9 23.808 S 10.7:TK 25.4J 58 2 0/ DIJ Bedum 2002 9 23.803 S 9.8:TK 25.4J 58 3 1 BOU Bedum (Nearly full Moon low over eastern horizon. Comet appeared very faint and diffuse despite very transparant sky.) 2002 9 15.86 S 9.0 AC 6.0B 20 2 3 RES Szamotuly 2002 9 14.913 S 8.9 TK 15.6L 24 4.5 3 DIJ Sint Annen 2002 9 14.910 M 8.8 TK 15.6L 24 5.2 4 BOU Sint Annen 2002 9 13.88 S 8.7 AC 6.0B 20 3.5 3 RES Szamotuly 2002 9 12.869 S 9.0 TK 30.5T 56 4.5 4 COM Roden (Sometimes leaves of distant tree in the field.) 2002 9 12.854 S 9.0 TK 8.0B 15 5.5 3 DIJ Lauwersoog 2002 9 12.845 M 8.7 TK 8.0B 15 6 4 BOU Lauwersoog 2002 9 12.83 S 8.8 TK 15.0R 48 3 4 GIL Noordwijk aan Zee 2002 9 12.08 S 8.6 TJ 20.3L 108 3 3 GUZ Krosno (Low altitude and some light pollution.) 2002 09 11.93 S 8.3 TK 5.0B 12 7 4 GRA Hågår Obs., Eina (Appearance of comet similar to NGC 205. Clearly visible despite some interference from aurora [NEL= ~6.0].) 2002 9 11.847 S 8.9 TK 15.6L 24 5 3/ DIJ Sint Annen 2002 9 11.844 M 8.6 TK 15.6L 24 5.5 4 BOU Sint Annen 2002 9 11.11 S 8.7 TK 25.6L 42 5 4 0.1 50 BIV Ablis 2002 9 11.10 S 8.3:TK 5.0B 7 4 5 BIV Ablis 2002 9 10.88 S 8.6 AC 6.0B 20 3 3 RES Szamotuly 2002 9 10.85 M 8.4 TK 15.2L 30 5.5 4/ GRA Fjellhamar (Well visible in a transparent sky [NE limit 5.5-6.0].) 2002 9 8.926 S 8.5 TK 15.6L 29 5.5 3/ BOU Sint Annen 2002 9 6.848 S 8.6 TK 15.6L 24 6 2/ DIJ Sint Annen 2002 9 6.846 M 8.5 TK 15.6L 24 6 3/ BOU Sint Annen 2002 9 5.846 S 8.6 TK 15.6L 24 6.5 2 DIJ Sint Annen 2002 9 5.843 S 8.5 TK 15.6L 24 6.5 3 BOU Sint Annen 2002 9 5.83 S 8.3 TJ 20.3L 63 7 3 0.2 45 GUZ Krosno 2002 9 4.886 S 8.5 TK 8.0B 15 6.5 2 DIJ Sint Annen 2002 9 4.883 S 8.4 TK 8.0B 15 6 3/ BOU Sint Annen 2002 9 4.86 S 9.1 TK 20.3L 48 4 4 BIV Noordwijk 2002 9 4.86 S 8.9 TK 5.0B 7 5 4 BIV Noordwijk 2002 9 4.85 S 8.4 TJ 5.0B 10 8 3 GUZ Krosno (Comet is really fading.) 2002 9 4.85 S 8.3 TK 8.0R 16 6 4 GIL Noordwijk aan Zee 2002 9 3.894 S 8.2 TK 8.0B 15 6 4 BOU Zuidwolde 2002 9 2.94 S 8.3 TK 5.0B 12 7 3 GRA Fjellhamar 2002 9 2.94 M 8.4 TK 15.2L 30 7 4 GRA Fjellhamar (Faint in 12x50B, but easily seen in the telescope. Transparent sky [NE limit 6.0].) 2002 9 2.933 M 7.9 TK 8.0B 15 7 4/ 0.5 52 BOU Zuidwolde 2002 9 2.88 S 8.6 TK 5.0B 7 5 4 BIV Noordwijk 2002 9 2.87 S 8.7 TK 20.3L 48 5 4 0.1 60 BIV Noordwijk 2002 9 1.95 S 8.8 TK 20.3L 48 5 4 BIV Noordwijk 2002 9 1.95 S 8.7 TK 5.0B 7 5 5 BIV Noordwijk 2002 9 1.89 S 8.3 AC 6.0B 20 6 4 RES Szamotuly 2002 9 1.860 S 7.7 TK 8.0B 15 8 5 DIJ Lauwersoog 2002 9 1.857 M 8.0 TK 8.0B 15 5 5/ BOU Lauwersoog (Some interference from nearby star of magn. 6.6.) 2002 8 31.90 M 8.2 TK 15.2L 30 7 4 GRA Fjellhamar 2002 8 31.90 M 8.2 TK 5.0B 12 8 3/ GRA Fjellhamar (Its visibility was similar to that of C/2002 O6, although this comet was considerably more extended and seen under a darker sky [NE limit 6.0].) 2002 8 31.89 S 8.9 TK 25.6L 42 6 5 0.2 60 BIV Ablis 2002 8 31.89 S 8.8 TK 5.0B 7 7 5 BIV Ablis 2002 8 31.86 S 7.6 TJ 5.0B 10 10 3 0.3 50 GUZ Krosno 2002 8 30.91 S 8.9 TK 25.6L 42 6 4 0.1 40 BIV Ablis 2002 8 30.91 S 8.4 TK 5.0B 7 5 5 BIV Ablis 2002 8 30.85 S 7.5 TJ 5.0B 10 10 4 GUZ Krosno (Comet is a bit brighter than last time.) 2002 8 28.94 S 7.8 TK 5.0B 12 8 3 GRA Fjellhamar 2002 8 28.94 S 8.0 TK 15.2L 44 6.5 4 GRA Fjellhamar (Observation somewhat affected by thin clouds and Moon.) 2002 8 28.85 S 7.7 TJ 5.0B 10 6 4 GUZ Krosno 2002 8 27.88 S 7.3 AC 6.0B 20 5.5 4 RES Szamotuly 2002 8 27.80 M 7.8 TJ 5.0B 10 4 6 0.3 50 GUZ Krosno (Just before moonrise.) 2002 8 26.82 M 7.8 TJ 15.0L 48 4 5 GUZ Krosno (The comet seems to be fading.) 2002 8 24.92 S 8.0 TK 15.2L 44 7 3/ GRA Fjellhamar (Moon & haze, comet not seen through smaller instruments.) 2002 8 22.01 S 7.7 TK 7.0R 24 9 3/ GRA Fjellhamar 2002 8 21.06 S 7.6 TJ 5.0B 10 6 4 GUZ Krosno (Comet is steady in brightness for some days.) 2002 08 20.91 S 7.4 AC 6.0B 20 5.5 5 RES Szamotuly 2002 8 20.05 M 7.5 TJ 5.0B 10 6 5 GUZ Krosno (More condensed than two days ago.) 2002 8 19.99 S 7.5 TK 5.0B 12 10 4 GRA Fjellhamar (Somewhat hazy sky [NE limit ~5.5].) 2002 8 19.91 S 7.5 AC 6.0B 20 4 5 RES Szamotuly 2002 8 19.03 S 7.6 TK 5.0B 12 9 4 GRA Fjellhamar 2002 8 18.047 M 7.6 TK 8.0B 15 5.5 5 DIJ Sint Annen 2002 8 18.040 M 7.8 TK 8.0B 15 8 5 0.5 125 BOU Sint Annen 2002 8 18.04 S 7.6 TK 5.0B 12 9 4 GRA Hågår Obs., Eina (Observation somewhat disturbed by high clouds, but conditions were considerably better than for C/2002 O6 [NE limit near 6.0].) 2002 8 18.04 S 8.1:TK 5.0B 7 5 3 BIV Ablis 2002 8 18.04 S 8.3 TK 25.6L 42 5 4 0.1 130 BIV Ablis 2002 8 17.90 S 7.5 TJ 5.0B 10 8 4 GUZ Krosno 2002 8 17.10 S 8.7 TK 25.6L 42 5 4 0.1 140 BIV Ablis (With 25.6-cmL at 169x central condensation at m=14.4.) 2002 8 17.09 S 8.5 TK 5.0B 7 5 4 BIV Ablis 2002 8 17.060 M 7.7 TK 8.0B 15 7 5 0.6 140 BOU Sint Annen 2002 8 17.040 S 7.7 TK 5.0B 7 6 4/ DIJ Groningen 2002 8 16.953 S 8.2 TK 8.0B 15 & 9 4 COM Roden 2002 8 16.86 S 7.6 TJ 5.0B 10 8 4 GUZ Krosno 2002 8 16.12 S 8.2:TK 5.0B 7 5 3 BIV Noordwijk 2002 8 16.11 S 8.5 TK 20.3L 48 4 3 BIV Noordwijk 2002 8 16.079 M 7.7 TK 8.0B 15 8 5 BOU Sint Annen 2002 8 15.98 S 7.5 TK 5.0B 7 11 4 GRA Fjellhamar 2002 8 15.95 S 7.6 TK 5.0B 7 7 4 SKI Hønefoss (Dark sky, M92 visible w/naked eye [NE limit 6.5].) 2002 8 15.045 S 8.2 TK 8.0B 15 & 8 4 COM Roden 2002 8 15.04 S 7.6 TK 5.0B 12 10 3/ GRA Fjellhamar 2002 8 14.96 S 8.5 TK 20.3L 48 4 5 0.15 160 BIV Noordwijk 2002 8 14.96 S 8.5 TK 5.0B 7 5 5 BIV Noordwijk 2002 8 14.92 S 7.7 AC 6.0B 20 5 4 RES Szamotuly 2002 8 14.920 S 7.1 TK 5.0B 7 &5.5 4 GIL Noordwijk aan Zee 2002 8 14.916 M 7.8 TK 8.0B 15 8.5 5 BOU Sint Annen 2002 8 13.993 S 8.2 TK 8.0B 15 8 4 COM Roden (short broad tail in 30.5-cmT at 56x.) 2002 8 13.98 M 7.7 TK 15.2L 30 10 4 GRA Fjellhamar 2002 8 13.98 S 7.6 TK 5.0B 12 11 3 GRA Fjellhamar (Comet clearly seen in binoculars, its surface brightness was somewhat higher than M33, but lower than M27. No tail was seen. Near optimum conditions for this near Oslo site [NE limit 6.2].) 2002 8 13.931 S 7.9 TK 5.0B 7 5 4/ DIJ Groningen 2002 8 12.973 S 8.0 TK 5.0B 7 5 4 DIJ Lauwersoog 2002 8 12.972 M 7.8 TK 8.0B 15 9 4/ BOU Lauwersoog 2002 8 12.95 S 8.4 TK 25.6L 42 6.5 4 0.2 180 BIV Ablis 2002 8 12.95 S 8.2 TK 5.0B 7 10 4 BIV Ablis 2002 8 12.906 S 8.3 TK 8.0B 15 & 7 4 COM Roden (In 30.5-cmT indication of very short tail.) 2002 8 10.95 S 7.9 TK 5.0B 12 9 3 GRA Fjellhamar 2002 8 10.95 S 7.9 TK 15.2L 30 8 3/ GRA Fjellhamar 2002 8 10.93 S 7.9 TJ 5.0B 10 8 4 0.3 230 GUZ Krosno 2002 8 10.92 S 7.9 AC 6.0B 20 5.5 5 RES Szamotuly 2002 8 10.92 S 8.1 TK 5.0B 7 6 4 BIV Ablis 2002 8 10.91 S 8.5 TK 25.6L 42 5 4 0.2 200 BIV Ablis 2002 8 9.97 S 8.8:TK 25.6L 42 4.5 3 BIV Ablis 2002 8 9.96 S 7.8 TK 15.2L 30 8 3 GRA Fjellhamar 2002 8 9.96 S 8.3 TK 12.0R 40 6 4 SKI Hønefoss 2002 8 9.89 S 8.0 TJ 5.0B 10 10 3 0.3 215 GUZ Krosno 2002 8 8.99 S 8.1 TK 15.2L 30 7 3 GRA Fjellhamar (Very diffuse coma. Bortle class 5 sky.) 2002 8 8.93 S 8.0 AC 6.0B 20 5.5 4 RES Szamotuly 2002 8 8.02 S 8.3 TK 5.0B 7 7 2 GRA Hågår Obs., Eina (Faint with 7x50B in morning twilight [NE limit 5.8].) 2002 8 7.96 S 8.7 TK 12.0R 40 5 4/ SKI Hønefoss 2002 8 7.90 S 9.3 TK 20.3L 48 5 3 BIV Noordwijk 2002 8 7.90 S 8.2 AC 6.0B 20 4 4 RES Szamotuly 2002 8 7.00 S 8.3 TK 15.2L 30 7.5 3 GRA Fjellhamar 2002 8 7.00 S 8.3 TK 5.0B 7 8 2 GRA Fjellhamar (In the 15.2-cm reflector, the coma appeared notably larger with 30x than 44x. Not too difficult in 7x50B in a Bortle class 5 sky [NE limit 5.8].) 2002 8 6.957 S 9.1:TK 15.5L 30 4 4 DIJ Groningen 2002 8 6.95 S 8.5 TJ 5.0B 10 8 3 0.1 210 GUZ Krosno (Comet significantly brighter than two days ago. Faint tail about 8' long was visible.) 2002 8 6.945 S 9.0 TK 15.6L 29 4.5 3/ BOU Groningen 2002 8 6.92 S 8.8 AC 6.0B 20 4 5/ 0.2 RES Szamotuly 2002 8 6.915 S 9.3 TK 30.5T 56 &3.5 3 COM Roden 2002 8 5.94 S 8.8 TK 15.2L 44 5.5 4 GRA Fjellhamar (Very diffuse coma. Somewhat hazy [NE limit 5.5].) 2002 8 4.96 S 8.9 TK 15.2L 44 5.5 3 GRA Fjellhamar (Clear and transparent sky [NE limit 5.8]). 2002 8 4.931 M 9.1 TK 25.4J 47 4.5 4 BOU Sint Annen 2002 8 4.90 S 9.2 TJ 20.3L 63 4 3 GUZ Krosno (Hazy sky.) 2002 8 4.00 S 9.3 TK 12.0R 40 5 4 SKI Hønefoss 2002 8 3.98 M 9.1 TK 15.2L 44 5.0 4 GRA Fjellhamar (Round and diffuse coma. The comet was much easier to observe than 4 nights ago. It was also faintly seen in 12x50 binoculars. Bortle scale 6 sky [astronomical twilight, NE limit about 5.5].) 2002 8 3.967 S 9.3 TK 15.6L 29 4.5 3 BOU Groningen 2002 8 3.94 S 9.7 AC 41.0L 72 2.5 4 RES Szamotuly 2002 8 3.922 S 9.3 TK 30.5T 56 3.5 3 COM Roden 2002 8 3.89 M 9.1 TJ 15.0L 48 5 3 GUZ Krosno 2002 8 2.934 S 9.4 TK 30.5T 56 & 3 2/ COM Roden 2002 8 2.931 M 9.3 TK 25.4J 47 4.0 4 BOU Sint Annen 2002 7 31.86 M 9.7 TJ 20.3L 63 5 4 GUZ Krosno (Very good conditions, NEL=6.6) 2002 7 31.86 S 9.4 TJ 5.0B 10 5 4 GUZ Krosno 2002 7 30.98 S 10.2 TK 15.2L 60 2.0 3 GRA Fjellhamar (Faint, with diffuse coma. Slightly easier using 88x. Nautical twilight [Sun 11 deg. below horizon, NE limit about 5.0].) 2002 7 30.87 M 9.9 TJ 20.3L 63 4.5 3 GUZ Krosno (Very good conditions, NEL=6.2) 2002 7 29.91 S 10.3 TK 30.0L 72 2.0 3 GIL Noordwijk aan Zee (Twilight not completely ended, no Moon) 2002 7 29.909 S 10.2 TK 25.4J 58 3.3 2 BOU Sint Annen (Slight interference from nearby 11th magn. stars. Comet observed just before incoming clouds.) 2002 7 29.906 S 10.3 TK 25.4J 58 2.5 2/ DIJ Sint Annen 2002 7 29.906 S 10.4 TK 30.5T 56 >2 2 COM Roden 2002 7 28.910 S 10.1 TK 25.4J 58 2.6 2/ DIJ Sint Annen 2002 7 28.906 S 10.0 TK 25.4J 58 2.8 3 BOU Sint Annen (Comet easily visible, despite nearby star of 7th magnitude, twilight and moon just above the eastern horizon.) 2002 7 28.86 S 11.3 TJ 41.0L 121 2.2 3 RES Szamotuly 2002 7 28.85 S 10.8 TJ 20.3L 63 3 3 GUZ Krosno