* * * * * C/2008 T2 (Cardinal) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2009 6 14.37 S 8.9 TK 20.0L 57 5 4 MAT Castlemaine, Victoria (Coma is moderately condensed and enhanced by a swan band comet filter.) 2009 5 26.90 S 8.5 TK 20.3T 77 5 3 GON Alto del Castro - Aralla, León (Astronomical twilight. Altitude: 5 deg.) 2009 5 18.90 S 8.6 TK 20.3T 77 8 3 GON Alto del Castro - Aralla, León (Coma elongated in p.a. 80 deg. Zodiacal light. Altitude: 12 deg.) 2009 5 12.890 S 8.5 TK 15.5L 50 2.0 1 DIJ Burlage 2009 5 11.900 S 8.5 TK 8.0B 15 2.6 0/ DIJ Burlage 2009 5 11.36 S 9.7 AA 25.4L 71 SEA Cowra, NSW (Comet difficult due to light sky from rising moon and glow from town centre. More easily visible through Swan Band filter.) 2009 5 2.48 S 8.9 TJ 40.0L 144 2.2 3/ YOS Kita-karuizawa, Gunma (I was surprised that the comet was clearly visible even in the terrible sky condition. Very bright. Widely diffuse but the center is dense.) 2009 4 24.889 S 9.6 TK 15.5L 50 2 2 DIJ Burlage 2009 4 24.885 S 9.8 TA 31.0J 58 3.5 3 BOU Lauwersoog 2009 4 20.918 S 10.2 TK 15.5L 50 1.7 2 DIJ Burlage 2009 4 20.90 S 9.1 TK 10.0B 25 6 2 GON Alto del Castro - Aralla, León 2009 4 20.883 S 10.0 TA 31.0J 58 3.5 2 BOU Lauwersoog 2009 4 18.942 S 10.3 TA 31.0J 72 2.8 1/ BOU Burlage, Germany (Some interference from star of magn. 10.9 [TA] near edge of coma.) 2009 4 18.936 S 10.3 TA 31.0J 72 1.2 2/ DIJ Burlage 2009 4 18.91 S 9.6 TK 10.0B 30 5 3 GIL Noordwijk aan Zee (Comet right on star of magn. 10.9 [TK].) 2009 4 17.972 S 9.4 TK 15.5L 50 2 2/ DIJ Burlage 2009 4 17.876 S 10.0 TA 15.6L 36 3 2/ BOU Sint Annen 2009 4 15.875 S 9.9 TK 15.6L 36 3.2 2 BOU Sint Annen 2009 4 12.90 S 9.2 TK 10.0B 25 6 2 GON Alto del Castro - Aralla, León 2009 4 10.91 V 11.5 TK 10.2R 2.8 QVA Borrevannet, Horten 2009 3 29.892 S 10.7 TA 31.0J 72 1.6 2/ DIJ Burlage 2009 3 29.890 S 11.2 TA 31.0J 72 2.0 2 BOU Burlage, Germany 2009 3 26.939 S 11.0 TA 31.0J 72 2.3 2 BOU Sint Annen 2009 3 26.92 S 9.5 TK 10.0B 25 8 2 GON Alto del Castro - Aralla, León 2009 3 26.91 S 9.7 TK 20.3T 77 7 2/ GON Alto del Castro - Aralla, León 2009 3 21.91 S 10.1 TK 20.3T 77 5 2 GON Alto del Castro - Aralla, León (Several stars inside the coma, the brightest being mag. 11.7 [TK].) 2009 3 21.869 S 10.5 20.0R 200 2 1 LOO Olmen 2009 3 20.92 S 10.1 TK 20.3T 77 5 2/ GON Alto del Castro - Aralla, León 2009 3 20.879 S 11.6 TA 31.0J 58 1.7 1 DIJ Burlage 2009 3 20.876 S 10.9 TA 31.0J 58 3 1/ BOU Burlage, Germany 2009 3 19.873 S 11.1 TA 31.0J 58 2.5 2/ BOU Lauwersoog (Star of magn. 11.3 [TA] near edge of coma.) 2009 3 19.850 S 11.2 TA 15.5L 50 1.8 1 DIJ Burlage 2009 3 18.84 S 11.3 HS 41.0L 72 1.8 2 RES Szamotuly 2009 3 17.863 S 10.8 TA 31.0J 58 2.5 2 BOU Lauwersoog 2009 3 15.90 S 10.2 TK 20.3T 77 4.5 3 GON Aralla, León (Comet significantly brighter than two days ago.) 2009 3 13.87 S 11.1 TK 20.3T 100 3 3/ GON Pandorado, León 2009 2 26.85 V 12.7 TK 10.2R 1.6 QVA Borrevannet, Horten 2009 2 25.86 S 11.9 TK 20.3T 67 2.5 2 BIV Pico Veleta, Spain 2009 2 25.84 S 11.3 TK 20.3T 77 4.0 3/ GON Pandorado, León (Comet significantly brighter than three days ago, showing the faint outer coma.) 2009 2 23.79 V 14.3:TK 10.2R 1.0 QVA Borrevannet, Horten 2009 2 22.95 S 11.9 TK 20.3T 133 1.7 4 GON Pandorado, León 2009 2 21.02 S 12.2 TK 20.3T 133 1.2 4 GON Golpejar de la Tercia, León 2009 2 14.813 S 12.8 TA 31.0J 109 0.8 5 BOU Sint Annen 2009 2 13.87 S 12.4 HN 20.3T 133 1.2 5 GON Pandorado, León (Comparison stars taken from Henden photometry near CG Cam.) 2009 1 30.907 S 13.1 TA 31.0J 109 0.7 5 BOU Sint Annen 2009 1 16.91 S 13.3 HN 20.3T 133 0.8 6 GON Alto de la Colladiella, Mieres, Asturias (Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near Z UMi.) 2009 1 7.21 V 14.9 TA 46.0Y 0.6 QVA Borrevannet, Horten 2009 1 6.183 S 13.4 TA 31.0J 155 0.7 3 DIJ Burlage 2009 1 6.179 S 13.7 TA 31.0J 155 0.5 6 BOU Burlage, Germany 2008 12 28.935 S 13.8 TA 31.0J 155 0.4 7 DIJ Burlage 2002 12 28.932 M 14.0 TA 31.0J 155 0.4 6 BOU Burlage, Germany 2002 12 26.769 S 14.0 TA 31.0J 155 0.4 6 BOU Lauwersoog (Very faint, condensed object, close to star of magn. ~14.5. Position checked versus DSS.) 2002 12 25.900 M 14.2 HN 31.0J 155 0.3 7 BOU Sint Annen (Very faint, condensed object. Position checked versus DSS. Comparison stars taken from Henden photometry of Z UMi field.) 2008 12 20.94 V 15.3 TK 46.0Y 0.6 QVA Borrevannet, Horten 2008 12 07.03 V 15.4 TK 46.0Y 0.6 0.01 150 QVA Borrevannet, Horten (Moonlight.) 2008 11 23.84 S[14.9 UV 40.0L 257 !0.3 YOS Kita-karuizawa, Gunma (Not visible this time. In the Nov. 22 evening, I caught an almost stellar object near the position. But I came back home and found it was a 15.5 mag star in the USNO-A2.0 catalog. In the Nov. 23 evening, I could not find the comet due to the thin clouds. In the Nov. 24 morning, I caught a stellar object near the position. I could not find any other cometary object around that. I came back home, and found the stellar object is a 14.9 mag star in the USNO-A2.0 catalog.) 2008 11 1.46 S 14.0:TA 40.0L 144 0.3 5/ YOS Kita-karuizawa, Gunma (Very tiny but looks cometary. Hard to see.) 2008 10 26.09 I 14.5 HN 20.3T 133 0.3 6 GON Alto del Castro - Aralla, León (Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near Z UMi.) 2008 10 24.958 S 14.3 HN 31.0J 109 0.4 7 DIJ Sint Annen 2008 10 24.953 M 14.1 HN 31.0J 109 0.4 7 BOU Sint Annen (Small, very condensed object. Faint, but clearly seen. Position checked versus DSS. Comparison stars taken from Henden photometry of Z UMi field.) 2008 10 21.867 S 14.3 HN 31.0J 155 0.3 7 DIJ Sint Annen 2008 10 21.867 M 14.3 HN 31.0J 155 0.3 6 BOU Sint Annen (Small, very condensed object. Faint, but clearly seen. Position checked versus DSS. Comparison stars taken from Henden photometry of Z UMi field.) 2008 10 9.17 I 14.3 HN 20.3T 160 0.3 7 GON Alto del Trichero - Soto y Amío, León (Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near Z UMi. Mountain location, very clear sky.)