* * * * * C/2009 P1 (Garradd) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2012 11 24.78 S 13.0 AU 40.0L 144 1.4 3 YOS Kita-karuizawa, Gunma (I could see this comet again after almost 1 year. The comet became faint and diffuse, but it is visible visually still.) 2012 7 8.37 S 10.9 TK 25.0L 83 0.9 2/ WYA Walcha, NSW (No tail, averted vision, zodiacal light interference, slight haze interference from moisture in atmosphere.) 2012 6 23.37 S 10.2 TK 25.0L 39 3.2 2/ WYA Walcha, NSW (No tail, moonlight affected, outer coma visible using averted vision, central condensation slightly brighter but appears like a small broad circular smudge of light.) 2012 6 19.35 S 10.3 TK 25.0L 39 4.5 2/ WYA Walcha, NSW (Coma edges diffuse, gradually brightens to a diffusely formed central condensation around 1' diameter. Zodiacal light interference.) 2012 6 18.35 S 10.3 TK 25.0L 39 4 4 WYA Walcha, NSW (No tail, averted vision to determine coma dia, small diffuse central condensation using direct vision.) 2012 6 15.36 S 9.9 TK 25.0L 39 3.5 2 WYA Walcha, NSW (No tail, coma diffuse.) 2012 6 14.35 S 9.9 TK 25.0L 39 4 2 WYA Walcha, NSW (No tail, close to bright star, slight interference by zodiacal light, small diffuse central condensation, slightly brighter than the edges of the coma, visible with direct vision but better to see using averted vision.) 2012 6 13.94 S 10.2 TK 20.3T 77 5 3/ 0.2 30 GON Alto del Castro, León 2012 5 26.951 S 9.7 TK 30.5T 73 2.6 2 DIJ Burlage 2012 5 26.949 S 10.0 TK 30.5T 73 2.5 1/ BOU Burlage, Germany 2012 5 24.931 S 9.8 TK 15.5L 29 4.5 2 BOU Burlage, Germany 2012 5 24.931 S 9.6 TK 15.5L 29 3 2 DIJ Burlage 2012 5 18.94 S 9.1 TK 22.0L 60 6 3 GOI Araçatuba 2012 5 18.43 M 9.8 TK 25.0L 39 4 6 WYA Walcha, NSW (Coma elongated to the NE, small bright central condensation.) 2012 5 16.918 S 9.5 TK 15.5L 24 5 3 DIJ Burlage 2012 5 16.917 S 9.4 TK 15.5L 24 5.5 2/ BOU Burlage, Germany 2012 5 16.889 S 9.8 TK 32.0L 53 4 3 LOO Genk 2012 5 14.97 S 8.2 TK 10.0B 25 6 4 GON Pandorado, León (Several stars inside the coma, the brightest being mag. 10.1 [TK].) 2012 5 14.890 S 9.7 TK 32.0L 53 4 3 LOO Genk 2012 5 14.43 S 8.7 AA 10.0B 25 4 SEA Cowra, NSW (Observed at low elevation.) 2012 5 12.918 S 9.1 TK 15.5L 24 6 3 DIJ Burlage 2012 5 12.917 S 9.3 TK 15.5L 24 5 2/ BOU Burlage, Germany 2012 5 12.917 S 9.4 TK 32.0L 53 3 3 LOO Genk 2012 5 9.95 S 8.2 TK 10.0B 25 6 5 GON El Fito - Sierra del Sueve, Asturias 2012 5 9.94 S 9.2 TK 22.0L 60 4 3 GOI Araçatuba 2012 5 9.36 M 9.6 TK 25.0L 39 3.3 5/ WYA Walcha, NSW (Coma elongated to the ESE. Small central condensation. Close to bright star.) 2012 5 7.913 S 8.8 TK 8.0B 15 5.5 2 DIJ Burlage 2012 4 26.913 S 8.6 TK 15.6L 24 6 3/ BOU Sint Annen 2012 4 25.40 M 9.7 TK 25.0L 39 5.5 5/ WYA Walcha, NSW (Coma broad and fan-like, elongated to the NE.) 2012 4 25.023 S 8.4 TK 8.0B 15 6.5 3 DIJ Burlage 2012 4 24.94 S 8.3 TK 10.0B 20 6 3/ GOI Araçatuba 2012 4 24.928 M 8.4 TK 15.6L 24 6.5 4 BOU Sint Annen 2012 4 24.88 S 8.5 UD 25.4L 60 5 5 IVA Melovoe 2012 4 23.053 S 8.5 TK 8.0B 15 5 2/ DIJ Burlage 2012 4 22.972 S 8.9 TK 32.0L 53 5 3 L00 Genk 2012 4 22.94 S 8.2 TK 10.0B 20 7 3/ GOI Araçatuba 2012 4 22.906 M 8.4 TK 15.6L 24 6 4/ BOU Sint Annen 2012 4 21.983 M 8.5 TK 15.6L 24 6.5 4 BOU Sint Annen 2012 4 20.35 M 8.8 TK 25.0L 39 6 5 WYA Walcha, NSW 2012 4 18.95 S 8.2 TK 22.0L 60 5 4 GOI Araçatuba 2012 4 18.94 S 8.0 TK 10.0B 20 7 3/ GOI Araçatuba 2012 4 18.878 S 8.3 TK 8.0B 15 7.5 3 DIJ Burlage 2012 4 17.938 S 8.4 TK 10.0B 14 6 4 0.5 LOO Genk 2012 4 16.89 S 8.0 TK 8.0R 16 8 4 GIL Noordwijk aan Zee 2012 4 15.869 S 8.4 TK 15.5L 24 5.5 4/ DIJ Burlage 2012 4 15.865 M 8.2 TK 15.5L 24 6 5 BOU Burlage, Germany 2012 4 15.826 S 8.5 TK 32.0L 53 5 4 LOO Genk 2012 4 13.95 S 7.9 TK 10.0B 20 6 4 GOI Araçatuba 2012 4 13.94 S 7.6:TK 5.0B 7 8 3 GOI Araçatuba (Comet altitude 20°.) 2012 4 13.906 M 8.0 TK 15.6L 24 6.5 4/ BOU Sint Annen 2012 4 13.86 S 7.0 UD 25.4L 60 5 4 0.4 IVA Melovoe 2012 4 13.38 S 7.6 AA 10.0B 25 4 SEA Cowra, NSW (Observed at low elevation.) 2012 4 12.955 S 8.3 TK 8.0B 15 6 3 DIJ Burlage 2012 4 12.901 M 7.9 TK 15.6L 24 7.5 4/ BOU Sint Annen 2012 4 11.863 S 8.2 TK 8.0B 15 6 3/ DIJ Burlage 2012 4 8.86 S 7.4 TK 5.0B 10 12 5 GON Pandorado, León (Dust tail 0.5 deg. in p.a. 30 deg.) 2012 4 6.89 V 8.9 TK 8.0R 5.6 QVA Borrevannet, Horten (Moonlight.) 2012 3 31.875 S 7.6 TK 8.0B 15 11 3/ DIJ Burlage 2012 3 28.10 S 7.1 TK 5.0B 10 12 5 GON Alto del Castro - Aralla, León (Dust tail 0.7 deg. in p.a. 40 deg.) 2012 3 26.942 M 7.4 TK 15.6L 24 8 5 BOU Sint Annen 2012 3 26.91 S 7.3 TK 8.0R 18 10 5 GIL Noordwijk aan Zee 2012 3 26.832 S 7.4 TK 8.0B 15 10 4 DIJ Burlage 2012 3 25.823 S 7.4 TK 8.0B 15 9 3/ BOU Sint Annen 2012 3 23.895 S 7.4 TK 8.0B 15 9 3/ BOU Sint Annen 2012 3 23.875 S 7.2 TK 6.0B 15 9 4 DIJ Burlage 2012 3 22.893 S 7.2 TK 15.5L 24 9.3 4 DIJ Burlage 2012 3 22.891 M 7.3 TK 15.5L 24 7 5 BOU Burlage, Germany 2012 3 21.917 S 7.3 TK 6.0B 15 9.5 4/ DIJ Burlage 2012 3 21.831 S 7.3 TK 8.0B 15 10 3/ BOU Sint Annen 2012 3 19.92 S 6.9 TK 8.0R 16 10 5 GIL Noordwijk aan Zee 2012 3 19.833 S 6.7 TK 5.0B 10 7 4 LOO Genk 2012 3 19.828 M 7.1 TK 8.0B 15 9 4 BOU Burlage, Germany 2012 3 19.825 S 7.1 TK 8.0B 15 6.5 4 DIJ Burlage 2012 3 18.899 S 7.2 TK 5.0B 10 6 4 LOO Genk 2012 3 16.820 S 7.1 TK 5.0B 10 6 4 LOO Genk 2012 3 15.909 S 7.0 TK 5.0B 10 8 4 LOO Genk 2012 3 15.870 S 6.9 TK 8.0B 15 8 5 DIJ Burlage 2012 3 15.854 M 7.3 TK 8.0B 15 8.5 4/ BOU Sint Annen 2012 3 15.08 M 6.9 TK 5.0B 10 13 6 GON Alto del Castro - Aralla, León (Dust tail 0.5 deg in p.a. 50 deg. Faint ion tail.) 2012 3 11.86 M 6.8 TK 5.0B 10 14 6 GON Alto del Castro - Aralla, León (Dust tail 0.4 deg in p.a. 80 deg. Ion tail appears fainter than in my previous Mar. 1.04 observation.) 2012 3 5.89 M 6.9 TK 5.0B 7 14.7 5 NOV Nam Cat Tien, Vietnam 2012 3 1.77 M 6.7 TK 5.0B 7 14.1 5 NOV Nam Cat Tien, Vietnam 2012 3 1.05 I 6.2 TK 0.0E 1 10 7 GON Puerto de Aralla, León 2012 3 1.04 M 6.4 TK 5.0B 10 12 6 1.3 260 GON Puerto de Aralla, León (Ion tail 1.3 deg. in p.a. 260 deg., dust tail 0.5 deg. in p.a. 110 deg. Observation made under better conditions, from a higher and darker mountain location, than in my previous Feb. 20.93 observation.) 2012 2 29.87 M 6.9 TK 5.0B 7 15.5 4 NOV Nam Cat Tien, Vietnam 2012 2 28.82 M 6.7 TK 5.0B 7 17.4 4 NOV Nam Cat Tien, Vietnam 2012 2 27.81 M 7.0 TK 5.0B 7 15.5 4 NOV Nam Cat Tien, Vietnam 2012 2 24.899 S 6.8 TK 8.0B 15 7 5 DIJ Burlage 2012 2 24.891 M 6.8 TK 8.0B 15 8 5 BOU Sint Annen 2012 2 22.81 M 7.0:TK 5.0B 7 14.0 4 NOV Nam Cat Tien, Vietnam 2012 2 21.966 S 6.7 TK 5.0B 10 6 5 LOO Genk 2012 2 21.847 S 6.8 TK 8.0B 15 7 5 DIJ Burlage 2012 2 20.93 S 7.0 TK 11.0L 32 10 4 0.2 100 IVA Saratov 2012 2 20.93 S 6.6 TK 5.0B 10 12 6 1.4 280 GON Alto del Trichero, León (Ion tail 1.4 deg. in p.a. 280 deg., dust tail 0.4 deg. in p.a. 110 deg. Mountain location, very clear sky.) 2012 2 19.990 S 6.7 TK 5.0B 10 7 4 LOO Genk 2012 2 19.97 S 7.0 TK 11.0L 32 10 5 0.3 100 IVA Saratov 2012 2 19.956 S 6.8 TK 8.0B 15 8 5/ DIJ Burlage 2012 2 19.84 M 6.8 TK 5.0B 7 14 4/ NOV Nam Cat Tien, Vietnam 2012 2 18.983 M 6.7 TK 8.0B 15 8 5 BOU Sint Annen 2012 2 18.76 S 7.2 TK 11.0L 32 5 5 IVA Saratov 2012 2 16.010 S 6.9 TK 8.0B 15 5.5 5/ 0.6 292 DIJ Burlage (Gas tail 0.6° in p.a. 292°, and dust tail 0.23° in p.a. 130°.) 2012 2 15.940 S 6.7 TK 8.0B 15 9 4/ BOU Sint Annen 2012 2 4.08 S 7.2 UD 11.0L 32 6 4 IVA Saratov 2012 2 3.07 S 7.3 UD 11.0L 32 5 5 IVA Saratov 2012 2 2.215 S 6.9 TK 5.0B 10 5 4 LOO Genk 2012 2 1.154 S 6.8 TK 8.0B 15 9 6 DIJ Burlage 2012 1 31.01 S 7.3 UD 11.0L 32 6 5 IVA Saratov 2012 1 30.87 M 7.1 TK 5.0B 7 15 6 NOV Nam Cat Tien, Vietnam 2012 1 30.03 S 7.5:UD 11.0L 32 6 5 IVA Saratov 2012 1 29.89 M 7.0 TK 5.0B 7 16 6 NOV Nam Cat Tien, Vietnam 2012 1 29.06 S 7.5:UD 11.0L 32 5 5 IVA Saratov 2012 1 28.08 V 6.9 UD 6.7R 16 NOV Nizhniy Arkhyz (remotely) 2012 1 27.88 M 7.2 TK 5.0B 7 13 6 NOV Nam Cat Tien, Vietnam 2012 1 27.03 S 7.6 UD 11.0L 32 6 5 IVA Saratov 2012 1 26.01 S 7.3 UD 11.0L 32 6 5 IVA Saratov 2012 1 25.88 M 7.4 TK 5.0B 7 12 6 NOV Nam Cat Tien, Vietnam 2012 1 25.03 S 7.5 UD 11.0L 32 4 5 IVA Saratov 2012 1 24.208 S 6.5 TK 5.0B 10 4 6 LOO Genk 2012 1 24.05 S 7.5 UD 11.0L 32 4 5 IVA Saratov 2012 1 23.04 S 7.2 UD 11.0L 32 6 5 IVA Saratov 2012 1 22.05 M 7.5 TK 11.0L 32 5 6 IVA Saratov 2012 1 21.90 M 7.5 TK 5.0B 7 12 5 NOV Nam Cat Tien, Vietnam 2012 1 20.250 S 7.5 TK 32.0L 80 4 7 LOO Genk 2012 1 15.735 S 7.0 TK 8.0B 15 6 5 DIJ Burlage 2012 1 3.720 S 7.0 TK 8.0B 15 4 5 DIJ Burlage (Moonlight.) 2012 1 3.26 S 6.9 TK 5.0B 10 8 6 GON Alto del Castro - Aralla, León (In 25x100B, ion tail 0.4-deg. in p.a. 340 deg., dust tail 0.2-deg in p.a. 100 deg.) 2012 1 1.22 7.2 8.0B 20 9 BAR Milan 2011 12 27.68 V 8.0 TK 10.9R 4.2 QVA Borrevannet, Horten 2011 12 22.77 S 6.8 TK 5.0B 10 10 5/ GON Collada del Fresno - Sierra del Aramo, Asturias (Altitude: 11°. Mountain location, very clear sky.) 2011 12 7.25 S 6.7 TK 5.0B 10 10 5/ GON Alto del Castro - Aralla, León (The low altitude [8°, beginning of astronomical twilight] didn't allow for obtaining reliable binocular data about the ion tail. Mountain location, very clear sky.) 2011 11 30.735 S 7.2 TK 8.0B 15 6 5 BOU Sint Annen 2011 11 28.762 S 7.2 TK 8.0B 15 4 4 DIJ Burlage 2011 11 28.733 S 7.8 TK 10.0B 14 3 6 LOO Genk 2011 11 27.740 S 7.2 TK 8.0B 15 5 4/ DIJ Burlage 2011 11 27.736 M 7.4 TK 8.0B 15 5.5 5 BOU Burlage, Germany 2011 11 26.78 M 6.9 TK 5.0B 10 10 6 0.8 45 GON Alto del Castro - Aralla, León (Ion tail appears fainter than in the previous Nov. 17.80 observation.) 2011 11 25.740 M 7.3 TK 8.0B 15 6 5 0.3 32 BOU Sint Annen 2011 11 25.72 V 8.4 TK 10.9R 6.5 0.2 65 QVA Borrevannet, Horten 2011 11 25.38 M 7.7 TJ 40.0L 36 7 7/ YOS Kita-karuizawa, Gunma (Finally I could see it in good condition. It looks fine, very strongly condensed.) 2011 11 24.38 M 7.8 TJ 40.0L 36 7 7 YOS Kita-karuizawa, Gunma 2011 11 21.722 S 7.6 TK 10.0B 14 4 6 LOO Genk 2011 11 17.80 M 7.1 TK 5.0B 10 9 6 1.1 50 GON Angliru - Sierra del Aramo, Asturias (Ion tail appears longer and brighter than in previous observations.) 2011 11 1.94 S 7.2 TK 10.0B 20 8 5/ GOI Araçatuba (Moonlight, comet altitude 15°.) 2011 10 31.748 M 7.4 TK 8.0B 15 5 5/ BOU Sint Annen 2011 10 29.85 S 7.1 TK 5.0B 10 8 6 0.5 110 GON Puerto de Aralla, León 2011 10 29.740 M 7.4 TK 8.0B 15 5.5 5 BOU Sint Annen 2011 10 26.872 S 7.1 TK 8.0B 15 5 4/ DIJ Burlage 2011 10 26.788 S 7.4 TK 8.0B 15 6 5/ BOU Westerdijkshorn 2011 10 23.790 M 7.3 TK 8.0B 15 5.5 6/ 0.5 70 BOU Burlage, Germany (Besides 0.5 deg. gastail, broad diffuse dustfan 0.25 deg. in p.a. 70-110 deg.) 2011 10 23.786 S 7.1 TK 8.0B 15 5 5 DIJ Burlage 2011 10 23.774 S 7.2 TK 10.0B 14 5 6 LOO Genk 2011 10 22.91 S 7.9 TK 5.0B 7 10 5 BIV Pico-Veleta, Spain 2011 10 22.816 M 7.1 TK 15.5L 24 6 6/ BOU Burlage, Germany 2011 10 22.814 S 7.1 TK 15.5L 24 5.5 4/ DIJ Burlage 2011 10 21.87 S 8.2 TK 20.3T 67 5.0 5 0.2 105 BIV Pico-Veleta, Spain 2011 10 21.87 S 7.8 TK 5.0B 7 10 5 BIV Pico-Veleta, Spain 2011 10 21.774 S 7.0 TK 10.0B 14 5 6 LOO Genk 2011 10 20.86 V 8.5 TK 10.9R 5.6 QVA Borrevannet, Horten 2011 10 20.751 S 7.0 TK 8.0B 15 4 4 DIJ Burlage 2011 10 19.89 S 8.1 TK 20.3T 67 6.0 5 0.2 110 BIV Pico-Veleta, Spain 2011 10 19.88 S 7.6 TK 5.0B 7 12 5 BIV Pico-Veleta, Spain 2011 10 19.799 S 7.0 TK 10.0B 14 10 5 LOO Genk 2011 10 19.750 S 7.0 TK 8.0B 15 3.5 4/ DIJ Burlage (Two stars at edge coma.) 2011 10 18.88 S 7.9 TK 5.0B 7 10 5 BIV Pico-Veleta, Spain 2011 10 18.874 S 7.1 TK 8.0B 15 4 4 DIJ Burlage 2011 10 18.41 S 7.3 AA 3.5B 6 SEA Cowra, NSW 2011 10 17.85 S 8.0 TK 5.0B 7 8 5 BIV Pico-Veleta, Spain 2011 10 17.41 B 7.7 AA 10.0B 25 SEA Cowra, NSW (Appeared smaller and fainter, but was located close to bright star.) 2011 10 16.85 S 7.7 TK 5.0B 7 10 4 BIV Pico-Veleta, Spain 2011 10 16.764 M 7.1 TK 15.6L 24 6 6 BOU Sint Annen 2011 10 15.85 S 8.0 TK 20.3T 67 5.0 5 0.3 115 BIV Pico-Veleta, Spain 2011 10 15.82 S 7.6 TK 5.0B 7 10 4 BIV Pico-Veleta, Spain 2011 10 15.80 S 6.9 TK 5.0B 10 10 6 0.5 110 GON Aralla, León (In 20-cm SCT at 77x, broad fanned tail spanning from p.a. 80 deg. to 130 deg.) 2011 10 15.40 S 6.9 AA 10.0B 25 6 SEA Cowra, NSW 2011 10 14.89 S 8.4 TK 20.3T 67 4.0 4 0.2 115 BIV Pico-Veleta, Spain 2011 10 14.89 S 7.7 TK 5.0B 7 10 3 BIV Pico-Veleta, Spain 2011 10 10.46 S 7.5 TJ 40.0L 36 6 7 YOS Kita-karuizawa, Gunma (Bright and large. Well condensed and easy to see even with a strong moonlight.) 2011 10 10.45 S 6.9 TJ 7.0R 10 12 5/ YOS Kita-karuizawa, Gunma 2011 10 7.44 S 6.8 TJ 7.0R 10 12 6/ YOS Kita-karuizawa, Gunma 2011 10 7.43 S 7.9 TJ 40.0L 36 5.8 7 YOS Kita-karuizawa, Gunma 2011 10 1.803 M 7.1 TK 8.0B 15 5.5 5 BOU Burlage, Germany 2011 10 1.801 S 7.0 TK 8.0B 15 5 5 DIJ Burlage 2011 9 30.865 S 7.0 TK 8.0B 15 8 5 20m 90 DIJ Burlage 2011 9 30.806 S 7.0 TK 5.0B 10 5 4 LOO Genk 2011 9 29.83 S 7.8 TK 40.7L 71 4.0 5 BIV Versailles 2011 9 29.82 S 7.6 TK 5.0B 7 10 3 BIV Versailles 2011 9 29.817 M 7.1 TK 8.0B 15 6 5/ BOU Burlage, Germany 2011 9 29.813 S 7.1 TK 8.0B 15 8 5 DIJ Burlage 2011 9 28.878 S 7.1 TK 8.0B 15 5.5 5 10m 91 DIJ Burlage 2011 9 28.816 S 7.2 TK 5.0B 10 3 4 LOO Genk 2011 9 27.00 S 6.8 TK 5.0B 7 10 4 GOI Araçatuba 2011 9 26.85 M 7.1 TK 5.0B 10 9 5 GRA Lillomarka, Oslo (Seen through auroral glow [NEL ~5.5].) 2011 9 24.868 S 7.0 TK 8.0B 15 7 5 DIJ Burlage 2011 9 24.85 S 6.9 TK 5.0B 10 10 5/ GON Alto del Castro - Aralla, León (In 20-cm SCT at 77x, 0.5-deg. tail in p.a. 110 deg.) 2011 9 24.82 S 7.3 TK 5.0B 7 10 5 BIV Ambeyrac 2011 9 23.947 M 7.0 TK 15.6L 24 6.5 5 BOU Sint Annen 2011 9 23.895 S 7.1 TK 8.0B 15 6 4/ 23m 98 DIJ Burlage 2011 9 23.885 S 7.1 TK 5.0B 10 7 6 LOO Meeuwen 2011 9 23.82 S 7.5 TK 40.7L 71 5.0 5 0.33 105 BIV Ambeyrac 2011 9 23.82 S 7.4 TK 5.0B 7 10 5 BIV Ambeyrac 2011 9 22.83 S 7.3 TK 5.0B 7 8 5 BIV Ambeyrac 2011 9 22.82 M 7.1 TK 5.0B 10 9 5 GRA Lillomarka, Oslo (Diffuse object, similar in apparent size as M81 and M71. Observed from the forest region Lillomarka near Oslo. NEL ~6.0.) 2011 9 21.885 S 7.0 TK 8.0B 15 8.5 5 19m 100 DIJ Burlage 2011 9 21.44 M 7.2 AA 10.0B 25 4 0.2 120 SEA Cowra, NSW (Tail faint and wide.) 2011 9 20.01 S 7.0 TK 10.0B 20 8 6 20m 100 GOI Araçatuba 2011 9 20.00 S 6.8 TK 5.0B 7 9 4 GOI Araçatuba 2011 9 19.89 S 6.7 TK 5.0B 10 12 5/ GON Alto del Castro - Aralla, León (In 20-cm SCT at 77x, 0.5 deg. tail in p.a. 110 deg.) 2011 9 19.840 M 6.9 TK 15.6L 24 6 5/ 0.35 110 BOU Sint Annen 2011 9 19.839 S 7.0 TK 8.0B 15 8 5 0.25 104 DIJ Burlage 2011 9 19.831 S 7.2 TK 5.0B 10 & 5 4/ COM Roden 2011 9 19.83 S 7.4 TK 5.0B 7 10 5 BIV Versailles 2011 9 18.95 S 6.9 TK 5.0B 7 8 4 GOI Araçatuba 2011 9 18.823 S 7.1 TK 8.0B 15 5.5 4/ 0.25 109 DIJ Burlage 2011 9 18.820 S 7.2 TK 5.0B 10 & 7 4/ COM Roden 2011 9 18.817 M 6.9 TK 15.6L 24 5.5 5 0.35 110 BOU Sint Annen 2011 9 17.44 S 7.1 AA 10.0B 25 SEA Cowra, NSW 2011 9 15.82 S 7.3 TK 5.0B 10 & 5 3/ COM Roden 2011 9 14.96 S 7.0 TK 10.0B 20 7 4/ GOI Araçatuba 2011 9 8.93 M 7.2 TK 5.0B 10 9 4 GRA Lillomarka, Oslo (Slightly fainter than M81. Moon low at SW. NEL ~5.5.) 2011 9 7.99 M 7.2 TK 5.0R 16 7 4 GRA Fjellhamar (Close to a mag. 7.6 star.) 2011 9 7.04 S 6.8 TK 5.0B 10 10 5/ GON Alto del Castro - Aralla, León (In 20-cm SCT at 77x, 0.5 deg. tail in p.a. 120 deg.) 2011 9 5.98 S 6.6 TJ 3.4B 9 9 5/ PER Carnaxide 2011 9 5.847 S 6.9 TK 15.5L 29 6 5 0.25 119 DIJ Burlage 2011 9 5.14 S 7.0 TK 5.0B 7 10 4 GOI Araçatuba 2011 9 4.98 S 6.6 TJ 3.4B 9 8 5 PER Carnaxide 2011 9 3.93 S 6.8 UD 11.0L 32 10 5 IVA Saratov 2011 9 3.853 S 7.1 TK 15.5L 24 7 5 0.35 116 DIJ Burlage 2011 9 3.849 S 7.0 TK 5.6B 8 9 4/ BOU Burlage, Germany (In 15.5L at 24x, tail 0.6 deg. in p.a. 127 deg.) 2011 9 3.03 S 7.2 TK 5.0B 10 10 6 GON Pandorado, León 2011 9 3.01 S 7.5 TK 20.3T 77 10 5/ 0.4 120 GON Pandorado, León 2011 9 3.00 S 6.8 TJ 10.0B 14 8 4/ PER Carnaxide 2011 9 2.79 S 7.5 UD 11.0L 32 6 4 IVA Saratov 2011 9 2.04 S 7.2 TK 5.0B 7 8 4 GOI Araçatuba 2011 9 2.04 S 6.5 TJ 3.4B 9 11 3 PER Carnaxide 2011 9 1.88 S 7.1 TK 12.7R 26 7 5 0.3 120 GIL Noordwijk aan Zee 2011 9 1.877 M 7.1 TK 15.6L 24 7 5/ 0.25 125 BOU Sint Annen 2011 9 1.862 S 7.1 TK 8.0B 15 8 4/ DIJ Burlage 2011 9 1.75 S 7.5 UD 11.0L 32 5 3 IVA Saratov 2011 9 1.45 S 7.1 AA 5.0B 10 6 SEA The Entrance, NSW 2011 9 1.00 S 7.2 TK 5.0B 7 8 4 GOI Araçatuba 2011 8 31.99 M 7.4 TK 5.0B 10 7 5 GRA Fjellhamar (Coma more diffuse and slightly fainter than M27.) 2011 8 31.97 S 7.0 UD 25.4L 60 10 5 0.5 IVA Saratov 2011 8 31.88 S 7.2 TK 10.0R 20 7 5 0.2 125 GIL Noordwijk aan Zee 2011 8 31.863 M 7.1 TK 15.6L 24 6 6 0.25 125 BOU Sint Annen 2011 8 30.97 S 7.4:TK 5.0R 16 7 4 GRA Fjellhamar (Comet close to a mag. 8 star.) 2011 8 30.76 S 7.5 UD 11.0L 32 5 3 IVA Saratov 2011 8 29.92 S 7.5 TK 40.7L 58 6.0 5 0.6 130 BIV Versailles 2011 8 29.92 S 7.3 TK 5.0B 7 10 5 BIV Versailles 2011 8 29.85 S 7.0 UD 20.3L 32 10 5 0.7 IVA Saratov 2011 8 29.00 S 7.5 TK 5.0B 7 8 5 BIV Versailles 2011 8 28.96 S 7.5 TK 5.0B 7 7 3/ GOI Araçatuba 2011 8 28.882 S 7.1 TK 8.0B 15 7 5 14m 128 DIJ Burlage 2011 8 28.78 S 7.3 UD 11.0L 32 8 5 IVA Saratov 2011 8 28.57 S 7.2 AA 5.0B 10 SEA The Entrance, NSW 2011 8 28.03 S 7.5 TJ 10.0B 14 7 4 PER Carnaxide 2011 8 27.93 S 7.7 TK 5.0B 7 6 5 BIV Valdrôme 2011 8 27.904 M 7.2 TK 8.0B 15 7 5 0.33 125 BOU Sint Annen 2011 8 27.894 S 7.2 TK 8.0B 15 9 5 10m 130 DIJ Burlage 2011 8 27.84 S 7.5 UD 11.0L 32 7 5 IVA Saratov 2011 8 27.44 S 8.3 TJ 20.0T 80 3 7 YOS Niigata (The central part is very bright and strongly condensed, surrounded with a large faint outer coma. My estimation became fainter due to the light in the star party and the high magnification.) 2011 8 27.81 7.4 8.0B 20 8 BAR Milan 2011 8 27.05 S 7.6 TJ 10.0B 14 9 4/ PER Carnaxide 2011 8 27.00 S 7.0 TK 5.0B 10 9 5/ GON Alto del Castro - Aralla, León 2011 8 26.91 S 7.5 TK 20.3T 77 7 5/ 0.5 130 GON Alto del Castro - Aralla, León 2011 8 26.79 S 7.5 UD 11.0L 32 6 5 IVA Saratov 2011 8 26.06 S 7.5 TK 5.0B 7 7 3/ GOI Araçatuba 2011 8 25.868 S 7.4 TK 8.0B 15 8.5 5/ 15m 144 DIJ Burlage 2011 8 25.86 S 7.3 TK 5.0B 7 10 5 BIV Valdrôme 2011 8 25.83 S 7.1 UD 5.0R 9 10 5 IVA Saratov 2011 8 25.55 M 7.2 AA 10.0B 25 4 6 0.2 140 SEA Cowra, NSW 2011 8 25.05 S 7.8 TJ 10.0B 14 8 4/ PER Carnaxide 2011 8 24.948 S 7.0 5.0B 12 4 6 LOO Genk 2011 8 24.86 S 7.8 TK 40.7L 58 4.0 6 0.35 135 BIV Valdrôme 2011 8 24.85 S 7.8 TK 5.0B 7 8 5 BIV Valdrôme 2011 8 24.08 S 7.6 TK 5.0B 7 7 4 GOI Araçatuba 2011 8 23.93 S 7.8 TK 5.0B 7 10 6 BIV Valdrôme 2011 8 23.84 S 7.7 UD 25.4L 60 5 5 IVA Saratov 2011 8 23.53 S 7.2 AA 3.5B 6 SEA Cowra, NSW 2011 8 22.96 M 7.5 TK 5.0B 10 6 5 GRA Fjellhamar 2011 8 22.92 S 7.9 TK 40.7L 58 5.0 6 0.4 135 BIV Valdrôme 2011 8 22.92 S 7.8 TK 5.0B 7 8 5 BIV Valdrôme 2011 8 21.920 S 7.3 5.0B 12 4 4 LOO Genk 2011 8 21.91 S 7.9 TK 40.7L 58 5.0 5 0.33 140 BIV Valdrôme 2011 8 21.91 S 7.7 TK 5.0B 7 8 5 BIV Valdrôme 2011 8 21.38 M 7.1 AA 10.0B 25 SEA Cowra, NSW (Tail quite bright for first 5m approx.) 2011 8 20.96 M 7.5 TK 5.0B 10 7 5 GRA Fjellhamar 2011 8 20.92 S 7.2 TK 10.0R 20 7 6 GIL Noordwijk aan Zee (Tail length 0.3 deg. at p.a. 165 deg., determined at 100x magnification.) 2011 8 20.891 S 7.6 TK 8.0B 15 7 5/ DIJ Barger-Oosterveen, Netherlands 2011 8 20.889 M 7.6 TK 8.0B 15 7 4/ BOU Barger-Oosterveen 2011 8 20.86 S 7.6 TK 40.7L 58 5.0 6 0.4 140 BIV Valdrôme 2011 8 20.86 S 7.4 TK 5.0B 7 8 5 BIV Valdrôme 2011 8 20.845 S 7.0 5.0B 12 7 4 LOO Genk 2011 8 20.81 S 7.5 UD 11.0L 32 7 5 IVA Saratov 2011 8 19.89 S 7.5 TK 40.7L 58 4.0 6 0.3 140 BIV Valdrôme 2011 8 19.88 S 7.3 TK 5.0B 7 10 5 BIV Valdrôme 2011 8 19.868 M 7.7 TK 15.6L 29 6 5 BOU Sint Annen 2011 8 19.847 S 7.7 TK 8.0B 15 4 5 DIJ Burlage 2011 8 19.44 S 7.3 AA 10.0B 25 4 5 0.3 138 SEA Cowra, NSW (A little fainter throuigh Swan Band filter.) 2011 8 19.04 S 7.8 TK 5.0B 7 8 4 GOI Araçatuba 2011 8 17.51 M 7.6 TK 8.0B 20 9 5 0.2 160 NOV Nam Cat Tien, Vietnam 2011 8 16.96 S 7.9 TK 10.0B 20 8 5 GOI Araçatuba 2011 8 16.51 M 7.4 TK 8.0B 20 9 5 NOV Nam Cat Tien, Vietnam 2011 8 16.38 S 7.5:AA 10.0B 25 SEA Cowra, NSW (Brief observation with comet at low elevation.) 2011 8 12.96 S 7.8 UD 11.0L 32 5 5 IVA Saratov 2011 8 12.56 S 7.6 AA 10.0B 25 6 SEA Cowra, NSW (Comet readily visible despite bright moonlight.) 2011 8 9.944 S 7.9 TK 5.0B 10 4 6 10m LOO Genk (Moonlight.) 2011 8 9.938 S 7.9 TK 8.0B 15 5 5 DIJ Burlage (Moonlight.) 2011 8 9.92 S 7.7 UD 25.4L 60 5 4 IVA Saratov 2011 8 9.73 S 8.5 TJ 40.0L 36 4.2 7/ YOS Kita-karuizawa, Gunma (Very strongly condensed. The coma looks compact.) 2011 8 9.01 M 7.8 TK 5.0B 10 6 4 GRA Fjellhamar 2011 8 8.93 S 8.4 TK 40.7L 58 4.0 6 0.3 170 BIV Versailles 2011 8 8.93 S 8.0 TK 5.0B 7 8 5 BIV Versailles 2011 8 8.84 8.1 8.0B 20 5 BAR Milan 2011 8 8.78 S 7.7 UD 20.0L 25 7 5 IVA Saratov 2011 8 8.15 S 7.6 TK 5.0B 7 10 4 GOI Araçatuba 2011 8 8.13 S 7.8 TK 10.0B 20 8 5 GOI Araçatuba 2011 8 8.12 S 7.7 TK 5.0B 10 10 5/ GON Pandorado, León 2011 8 8.11 S 8.1 TK 20.3T 77 6 5/ 0.4 170 GON Pandorado, León (Fanned tail spanning from p.a. 150 deg. to 200 deg.) 2011 8 7.98 M 7.8 TK 5.0B 10 6 5 GRA Fjellhamar 2011 8 7.946 S 7.7 TK 8.0B 15 4.5 6 14m 175 DIJ Burlage 2011 8 7.87 S 8.0 UD 25.4L 60 5 4 IVA Saratov 2011 8 7.16 S 8.1 TJ 10.0B 14 7 4/ PER Carnaxide 2011 8 6.95 S 7.5 UD 5.0R 9 10 4 IVA Melovoe 2011 8 6.95 S 7.7 UD 25.4L 60 5 4 IVA Melovoe 2011 8 4.14 S 7.9 TK 5.0B 10 8 5/ GON Alto del Castro - Aralla, León 2011 8 4.13 S 8.3 TK 20.3T 77 6 5/ 0.4 180 GON Alto del Castro - Aralla, León (Fanned tail spanning from p.a. 160 deg. to 200 deg.) 2011 8 4.16 S 8.1 TJ 10.0B 14 6 4 PER Carnaxide 2011 8 4.10 S 8.1 TK 10.0B 20 8 5 GOI Araçatuba 2011 8 3.94 S 8.2 TK 20.3L 40 5.0 5 0.3 170 BIV Lezeaux 2011 8 3.91 S 8.0 TK 5.0B 7 10 5 BIV Lezeaux 2011 8 3.88 M 8.5 TK 20.3L 49 3 6 LEG Gliwice (Light pollution, increasing cloudcover.) 2011 8 3.60 S 7.9 TK 8.0B 20 8 4/ 0.3 190 NOV Nam Cat Tien National Park, Vietnam 2011 8 2.64 S 8.2 TK 8.0B 20 7.0 4/ 0.3 190 NOV Nam Cat Tien National Park, Vietnam 2011 8 2.014 S 8.3 TK 6.0B 12 2 4 LOO Genk 2011 8 1.99 M 8.3 TK 20.3T 62 4 5 GRA Fjellhamar (Bright twilight.) 2011 8 1.99 S 8.3 TK 20.3L 40 5.0 6 0.4 170 BIV Lezeaux 2011 8 1.98 S 8.0 TK 5.0B 7 8 5 BIV Lezeaux 2011 8 1.963 S 8.0 TK 15.5L 29 4.5 5/ 10m 180 DIJ Burlage 2011 8 1.014 S 8.3 TK 10.0B 14 3 4 LOO Genk 2011 8 1.00 S 8.1 TK 5.0B 10 10 5/ GON Alto del Castro - Aralla, León 2011 7 31.99 S 8.2 TK 20.3L 40 4.0 5 0.4 170 BIV Lezeaux 2011 7 31.96 S 8.4 TK 20.3T 77 9 5/ 0.4 190 GON Alto del Castro - Aralla, León (Fanned tail spanning from p.a. 160 deg. to 210 deg.) 2011 7 31.94 S 7.9 TK 10.0R 20 6 5 0.2 180 GIL Noordwijk aan Zee 2011 7 31.00 M 8.3 TK 20.3T 62 4 4/ GRA Fjellhamar (Bright twilight.) 2011 7 30.92 S 8.4 UD 11.0L 32 4 4 IVA Saratov 2011 7 30.27 S 8.2 TK 10.0B 20 7 4/ GOI Araçatuba 2011 7 29.92 S 8.5 UD 11.0L 32 4 4 IVA Saratov 2011 7 28.98 M 8.4 TK 10.0R 25 3.5 4/ GRA Fjellhamar (Bright twilight.) 2011 7 28.92 S 8.1 TK 13.0L 43 6 5 SID Korenovsk 2011 7 28.12 S 8.2 TK 10.0B 20 7 5 GOI Araçatuba 2011 7 28.01 M 8.5 TK 20.3T 77 3.0 5 GRA Fjellhamar (Bright twilight.) 2011 7 27.98 S 8.1 TK 5.0B 10 9 5/ GON Alto del Castro - Aralla, León 2011 7 27.97 S 8.5 TK 20.3T 77 8 5/ 0.2 200 GON Alto del Castro - Aralla, León (Fanned tail spanning from p.a. 160 deg. to 210 deg.) 2011 7 27.91 S 8.0 UD 5.0R 9 10 4 IVA Melovoe 2011 7 27.91 S 8.2 UD 25.4L 60 7 4 IVA Melovoe 2011 7 26.10 S 8.3 TK 10.0B 20 7 5 GOI Araçatuba 2011 7 24.17 S 8.4 TK 10.0B 20 6 4/ GOI Araçatuba 2011 7 23.21 S 8.5 TK 10.0B 20 6 4/ GOI Araçatuba 2011 7 22.95 S 8.2 TK 10.0B 25 8 5/ GON Pandorado, León 2011 7 12.07 S 8.7 TK 5.0R 6 4 5 BIV Isle (near Limoges) 2011 7 12.07 S 9.0 TK 20.3L 40 3.5 6 0.2 220 BIV Isle (near Limoges) 2011 7 11.07 S 9.0 TK 5.0R 6 4 5 BIV Isle (near Limoges) 2011 7 11.05 S 9.0 TK 20.3L 40 4.0 6 0.2 215 BIV Isle (near Limoges) 2011 7 10.35 S 8.9 TK 10.0B 20 5 4 GOI Araçatuba 2011 7 10.34 M 9.0 TK 22.0L 60 4 5 GOI Araçatuba 2011 7 9.977 S 8.9 TK 15.5L 36 4.0 5 DIJ Burlage 2011 7 9.974 S 8.8 TK 15.5L 36 4 5 BOU Burlage, Germany 2011 7 9.96 S 8.5 TK 13.0L 65 4.5 6 SID Korenovsk 2011 7 7.96 S 8.7 TK 13.0L 65 4 6 SID Korenovsk 2011 7 7.59 M 8.8 AA 10.0B 25 4 SEA Cowra, NSW 2011 7 7.05 S 9.4 TK 40.7L 58 2.0 7 BIV Versailles 2011 7 6.980 S 8.9 TK 15.6L 36 4 4/ BOU Sint Annen 2011 7 6.96 S 8.7 TK 13.0L 65 4.5 6 SID Korenovsk 2011 7 6.953 S 9.0 TK 15.5L 42 4.0 4 DIJ Burlage 2011 7 5.09 S 8.6 TK 10.0B 25 6 5/ GON Alto del Castro - Aralla, León 2011 7 5.04 S 8.8 TK 20.3T 77 5 5 0.2 240 GON Alto del Castro - Aralla, León 2011 7 5.000 S 9.0 TK 15.5L 42 4.5 4/ DIJ Burlage 2011 7 4.073 S 10.0 TK 10.0B 14 2 7 LOO Genk 2011 7 3.98 S 8.8 TK 13.0L 65 4 6 SID Korenovsk 2011 7 3.07 S 9.7 TK 40.7L 58 2.5 6 BIV Versailles 2011 7 1.12 S 8.7 TK 5.0B 10 6 6 GON Alto del Castro - Aralla, León 2011 7 1.09 S 8.9 TK 20.3T 77 4.5 5 0.2 240 GON Alto del Castro - Aralla, León (Broad fanned tail spanning from p.a. 170 deg. to 240 deg.) 2011 6 30.06 S 10.0 TK 40.7L 58 2.5 6 BIV Versailles 2011 6 27.07 S 10.5 TK 40.7L 58 1.6 7 BIV Versailles 2011 6 25.21 S 9.2 TK 22.0L 60 5 5 GOI Araçatuba 2011 6 25.01 S 9.1 TK 20.3T 77 4 5 0.1 240 GON Alto del Castro - Aralla, León (Broad fanned tail spanning from p.a. 170 deg. to 240 deg. Observation made before moonrise. Altitude: 15 deg.) 2011 6 10.73 S 9.9 AA 10.0B 25 3 SEA Cowra, NSW 2011 6 9.98 S 10.0 TK 13.0L 65 1.5 6 SID Korenovsk 2011 6 5.98 S 9.7 TK 13.0L 65 1.3 6 SID Korenovsk 2011 6 4.10 S 9.4 TK 20.3T 77 5.5 3/ GON Alto del Castro - Aralla, León (Altitude: 19 deg.) 2011 6 3.97 S 10.0 TK 13.0L 65 1 6 SID Korenovsk 2011 6 1.98 S 10.2 TK 13.0L 65 1.2 5 SID Korenovsk 2011 5 15.14 S 9.9 TK 20.3T 100 2.2 5 GON Alto del Castro - Aralla, León (Observation made after moonset, in astronomical twilight. Mountain location, very clear sky. Altitude: 11 deg.) 2011 5 3.71 S 11.1 GA 25.4L 71 2 5 SEA Cowra, NSW 2010 12 30.97 S 10.7 AU 22.0L 160 2.5 4 GOI Araçatuba (Brighter than expected.) 2010 12 4.39 S 13.0 AU 40.0L 144 1.0 4 YOS Kita-karuizawa, Gunma (Hard to see due to the low sky condition. This time, my estimation became much fainter than my previous report. But the comet seems to keep almost same brightness around 12-13 mag based on my feeling impression.) 2010 11 24.79 S 11.5 TK 20.3T 100 2.0 5 GON Aralla, León (Altitude: 14 deg.) 2010 11 9.37 S 13.8 HS 20.3L 92 0.6 4 BIV Mauna-Kea, Hawaii 2010 11 8.39 S 13.7:HS 20.3L 92 1.0 2 BIV Mauna-Kea, Hawaii 2010 11 7.96 S 12.3 AU 22.0L 160 2 4 GOI Araçatuba 2010 11 6.40 S 11.5 TJ 40.0L 257 1.0 4 YOS Kita-karuizawa, Gunma (Unexpectedly bright and visible visually. But my estmation seems too bright.) 2010 10 29.96 S 12.8 AU 22.0L 160 1 4 GOI Araçatuba 2010 9 2.12 I[13.0 AU 22.0L 230 GOI Araçatuba 2010 8 20.10 S 12.8 HN 20.3T 133 0.7 4 GON Pandorado, León (Mountain location, very clear sky. Altitude: 10 deg. Nearby field stars checked in DSS. Comparison stars taken from Henden photometry, Neptune-7 field near υ Cap.)