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* * * * * 67P/Churyumov-Gerasimenko * * * * *
Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2009 5 26.92 S 9.7 TK 20.3T 100 7 1/ GON Alto del Castro - Aralla, León (Zodiacal light.) 2009 5 18.91 S 9.8 TK 20.3T 100 5 1/ GON Alto del Castro - Aralla, León (Zodiacal light.) 2009 4 24.867 S 11.5 TA 31.0J 89 1.9 2 BOU Lauwersoog 2009 4 20.89 S 9.6 TK 20.3T 77 6 2/ 0.1 70 GON Alto del Castro - Aralla, León (Elongated wide coma with faint outer region. Zodiacal light.) 2002 4 20.865 S 11.6 TA 31.0J 89 1.6 2/ BOU Lauwersoog 2009 3 29.842 S 10.6 TA 31.0J 72 2.5 2 BOU Burlage, Germany 2009 3 29.839 S 10.8 TA 31.0J 72 2.5 1 DIJ Burlage 2009 3 26.88 S 9.3 TK 20.3T 77 7 2/ 0.1 75 GON Alto del Castro - Aralla, León (Elongated wide coma with faint outer region. Zodiacal light.) 2009 3 24.81 S 11.8 TK 40.7L 58 2.5 5 BIV Blieux 2009 3 22.84 S 11.6 TK 40.7L 58 2.0 5 BIV Blieux 2009 3 21.89 S 9.5 TK 20.3T 77 8 2 GON Alto del Castro - Aralla, León (Elongated wide coma with faint outer region. Zodiacal light.) 2009 3 20.87 S 9.7 TK 20.3T 77 7 2 GON Alto del Castro - Aralla, León 2009 3 20.836 S 10.3 TA 31.0J 58 2 0/ DIJ Burlage 2009 3 20.831 S 10.2 TA 31.0J 58 3 1/ BOU Burlage, Germany 2009 3 19.831 S 10.4 TA 31.0J 58 2.8 2 BOU Lauwersoog 2009 3 17.84 S 10.1 HS 13.0L 45 1.7 2/ RES Szamotuly 2009 3 15.87 S 9.7 TK 10.0B 25 6 2 GON Aralla, León 2009 3 15.86 S 9.8 TK 20.3T 77 6 2/ GON Aralla, León (Elongated wide coma with faint outer region. Star of mag. 12.4 [GSC] inside the coma. Zodiacal light.) 2009 3 13.84 S 9.8 TK 20.3T 77 7 3 GON Pandorado, León (Elongated wide coma with faint outer region. Zodiacal light.) 2009 2 25.85 S 11.6 TK 20.3T 67 1.5 3 BIV Pico Veleta, Spain 2009 2 25.83 S 10.2 TK 20.3T 77 4.5 3 GON Pandorado, León (Elongated coma with faint outer region. Zodiacal light.) 2009 2 24.85 S 12.0 TK 20.3T 67 1.5 4 BIV Pico Veleta, Spain 2009 2 22.83 S 10.4 TK 20.3T 100 3.5 3 GON Pandorado, León (Elongated coma. Zodiacal light.) 2009 2 13.82 S 10.8 TK 20.3T 100 2.5 3 GON Pandorado, León (Elongated coma. Zodiacal light.) 2009 1 16.81 S 11.5 TK 20.3T 100 1.5 4 GON Alto de la Colladiella, Mieres, Asturias 2008 12 28.742 S 12.2 AU 31.0J 109 1.3 1/ DIJ Burlage 2008 12 28.735 S 12.4 AU 31.0J 109 1.0 3 BOU Burlage, Germany 2008 12 26.738 S 12.5 AU 31.0J 109 1.2 3/ BOU Lauwersoog 2008 12 20.80 S 12.5 TK 20.3T 100 1.7 4 GON Garaño - La Magdalena, León 2008 11 1.40 S 13.9 AU 40.0L 257 0.3 7 YOS Kita-karuizawa, Gunma (Very tiny and faint, like a defocussed background star.) 2008 10 1.91 I 14.7 HN 20.3T 133 0.2 7 GON Alto del Castro - Aralla, León (Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near GRB030723. Mountain location, very clear sky.) 2008 8 6.04 I[14.8 HN 20.3T 222 !0.2 GON Alto del Castro - Aralla, León (Comet not observed. Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near GRB030723.)
2003 2 2.00 S 13.8 AC 41.0L 121 0.6 2/ RES Szamotuly 2003 1 31.97 S 13.7 AC 41.0L 121 0.5 2/ RES Szamotuly 2002 12 14.11 S[13.0 HS 20.3L 63 ! 1 GUZ Krosno 2002 12 12.02 S 13.3 AC 41.0L 121 1.1 2 RES Szamotuly 2002 11 7.11 S 12.9 HS 20.3L 108 0.7 3 GUZ Krosno (Comet has faded and become more diffuse since previous observation.) 2002 10 19.14 S 12.6 HS 20.3L 63 0.8 5 GUZ Krosno (The comet looks like month ago; small condensed object.) 2002 10 11.163 S 12.2 TK 31.0J 109 1.6 2 DIJ Sint Annen 2002 10 11.158 S 12.6 TK 31.0J 109 1.1 3 BOU Sint Annen 2002 10 10.162 aS 12.5 AC 31.0J 89 1.3 2/ DIJ Sint Annen 2002 10 10.161 aS 12.8 AC 31.0J 89 1.0 4 BOU Sint Annen 2002 10 8.153 S 12.6 AC 25.4J 88 1.0 4/ BOU Sint Annen 2002 9 12.09 S 12.6 HS 20.3L 108 0.7 4 GUZ Krosno (Easy, quite condensed object, brighter than expected. Very good conditons, NEL=6.2 near this comet.)