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* * * * * C/2002 O6 (SWAN) * * * * *
lightcurve Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2002 9 13.144 S 10.0:TK 25.4J 58 2.8 1 BOU Sint Annen (Very diffuse object, difficult to see in twilight at elevation of only 11 degrees.) 2002 9 12.12 B[10.8 TK 25.4L 76 ! 1 GRA Hågår Obs., Eina (Using 25.4-cmL (152x), nearby stars to mag. 12.5 [ref. TK] were seen, but there was no trace of the comet. It was however successfully imaged using the same telescope and CCD with V-filter. Twilight.) 2002 9 12.11 S 8.6:TJ 20.3L 108 2 2 GUZ Krosno (Comet at elevation of only 10 degrees. Hard, diffuse object.) 2002 9 11.16 S 9.7 TK 25.6L 42 2 1 BIV Ablis 2002 9 10.83 B [9.4 TK 15.2L 88 !2.5 GRA Fjellhamar (Comet not visible despite a clear and transparent sky [NE limit 4.5-5.0, 6.0 near zenith]. The field was observed in twilight [Sun 14 deg. under horizon], shortly before setting below the natural horizon [true altitude 11 deg.]. With 88x, nearby stars to mag. 11.5 [ref. TK] were visible.) 2002 9 6.839 S 8.3:TK 15.6L 29 0/ DIJ Sint Annen 2002 9 6.833 S 8.2 TK 15.6L 29 2 BOU Sint Annen (Difficult observation in twilight with comet at elevation of only 9 degrees. Definitely more diffuse than 5 days ago.) 2002 9 4.84 S 8.9 TK 20.3L 48 3 4 BIV Noordwijk 2002 9 2.86 S 8.4 TK 20.3L 48 3 4 BIV Ablis 2002 9 2.85 M 7.9 TK 15.2L 44 4 5 GRA Fjellhamar (Coma notably smaller than 1-2 weeks ago but it remains rather diffuse. Comet observed for some time before setting below the local horizon. NE limit about 4.5-5.0.) 2002 9 1.89 S 7.2 AC 6.0B 20 5 3/ RES Szamotuly 2002 9 1.840 M 8.1 TK 8.0B 15 3.5 4/ BOU Lauwersoog (Comet still well condensed, but faded dramatically since last observation of 18/08.) 2002 9 1.839 S 8.4 TK 8.0B 15 3.5 4/ DIJ Lauwersoog 2002 8 31.86 S 7.8 TK 5.0B 7 3 5 BIV Ablis 2002 8 31.85 M 8.0 TK 15.2L 44 4 5/ GRA Fjellhamar 2002 8 31.85 M 7.9 TK 5.0B 12 4.5 5 GRA Fjellhamar (Comet clearly visible despite astronomical twilight. Transparent sky [NE limit near comet 4.5-5.0].) 2002 8 31.84 S 8.1 TK 25.6L 42 3.5 6 0.1 0 BIV Ablis 2002 8 29.07 M 7.6 TK 5.0B 12 5 5 GRA Fjellhamar 2002 8 29.07 M 7.7 TK 7.0R 24 4.5 5 GRA Fjellhamar (Transparent sky with Moon.) 2002 8 28.85 S 7.8 TK 15.2L 44 4 5 GRA Fjellhamar (Comet considerably fainter than expected. Observed shortly before setting below local horizon.) 2002 8 27.88 S 5.7 AC 6.0B 20 & 9 5 RES Szamotuly 2002 8 27.79 S 6.0:TJ 15.0L 48 5 5 GUZ Krosno 2002 8 25.07 M 6.1 TK 7.0R 24 6 5 GRA Fjellhamar (Only weakly seen due to Moon, high clouds/haze and the comet's rather low altitude.) 2002 8 22.07 M 6.2 TK 5.0B 12 8 5 GRA Fjellhamar 2002 8 21.08 S 6.0 TJ 5.0B 10 6 5 GUZ Krosno (Twilight.) 2002 8 20.91 S 5.8 AC 6.0 20 8 4 RES Szamotuly 2002 8 20.08 M 5.9 TJ 5.0B 10 6 6 GUZ Krosno (Twilight.) 2002 8 19.03 M 6.3 TK 5.0B 12 8 5 GRA Fjellhamar (Comet seen through a diffuse background of aurora [NE limit about 4.0].) 2002 8 18.076 M 6.2 TK 8.0B 15 8 5 DIJ Sint Annen 2002 8 18.074 M 6.2 TK 8.0B 15 6 5 BOU Sint Annen 2002 8 18.07 S 5.9 TJ 15.0L 48 10 5 GUZ Krosno (Comet wasn't visible in binoculars due to hazy sky.) 2002 8 18.04 M 6.4 TK 5.0B 12 8 5 GRA Hågår Obs., Eina (Observation affected by high clouds and haze. NE limit near comet not better than 4.0.) 2002 8 17.14 S 6.4 TK 25.6L 42 5 6 0.2 300 BIV Ablis 2002 8 17.13 S 6.3 TK 5.0B 7 4 6 BIV Ablis 2002 8 17.076 M 6.0 TK 8.0B 15 7 6 0.4 310 BOU Sint Annen (Small outburst? Comet brighter and more condensed than 24h ago.) 2002 8 17.069 S 6.3 TK 5.0B 7 12 5 DIJ Noorddijk 2002 8 17.066 S 6.2 TK 8.0B 15 &10 4 COM Roden 2002 8 17.06 S 6.0 TK 5.0B 12 9 4/ GRA Fjellhamar 2002 8 16.13 S 7.1:TK 20.3L 48 4 4 BIV Noordwijk 2002 8 16.085 M 6.5 TK 8.0B 15 8 4 BOU Sint Annen 2002 8 15.12 S 7.3 TK 20.3L 48 5 5 BIV Noordwijk 2002 8 15.12 S 6.9:TK 5.0B 7 5 5 BIV Noordwijk 2002 8 15.073 S 6.1 TK 8.0B 15 &10 3/ COM Roden 2002 8 15.05 M 6.1 TK 5.0B 12 10 5 GRA Fjellhamar (Diffuse coma with moderate condensation. Twilight [NE Limit about 4.5].) 2002 8 15.02 S 6.3 AC 6.0B 20 &10 4/ RES Szamotuly 2002 8 14.05 M 6.1 TK 7.0R 24 8 5 GRA Fjellhamar 2002 8 14.05 S 6.0 TK 5.0B 12 9 4/ GRA Fjellhamar (Comet well visible despite twilight and altitude 13 deg. [NE limit 4.4].) 2002 8 13.11 S 6.7 TK 5.0B 7 5 5 BIV Ablis 2002 8 13.09 S 6.9 TK 25.6L 42 4 5 0.2 265 BIV Ablis 2002 8 13.069 S 6.6 TK 5.0B 7 11 4 DIJ Lauwersoog 2002 8 13.067 M 6.7 TK 8.0B 15 9 4 BOU Lauwersoog (Comet at only 9 degrees elevation, but very obvious. Coma clearly elongated towards p.a. ~265 deg.) 2002 8 11.10 S 6.3 TK 25.6L 42 5 3 BIV Ablis 2002 8 11.09 S 6.3 TK 5.0B 7 5 3 BIV Ablis 2002 8 11.05 S 6.2 TJ 5.0B 10 10 5 0.4 270 GUZ Krosno (Between clouds.) 2002 8 9.02 S 6.6 AC 6.0B 20 &12 4 RES Szamotuly 2002 8 7.80 S 6.5 TT 5.0B 7 9 5 MAT Wallaroo, SA (In 25x100B, faint ion tail visible >20' long in p.a. 250 deg. A CCD image displays >1 degree of tail. Click here for the image of this comet.) 2002 8 7.06 S 6.3 TJ 5.0B 10 10 5 GUZ Krosno (Twilight.) 2002 8 6.80 S 6.6 TT 5.0B 7 9 4 MAT Wallaroo, SA (In 25x100B, faint ion tail visible >20' long in p.a. 245 deg.) 2002 8 3.69 M 7.4 AA 10.0B 25 6 5 SEA The Entrance, NSW (Also visible in 10x50B. Somewhat enhanced through Swan Band filter. Rapid motion detected in only a few minutes.)