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* * * * * 161P/Hartley-IRAS * * * * *
Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2005 9 3.887 S 12.6 TA 31.0J 89 1.5 1/ DIJ Lauwersoog 2005 9 3.876 S 12.6 TA 31.0J 89 2.2 2 BOU Lauwersoog 2005 8 29.88 S 12.5 TK 40.7L 116 1.8 2 BIV Ablis 2005 8 28.881 S 12.2 TA 25.4J 88 2.3 1/ BOU Sint Annen 2005 8 28.88 S 12.3 TA 30.5L 180 1.0 2 GIL Noordwijk aan Zee 2005 8 16.89 S 11.6:TK 30.5L 180 1.5 4 GIL Noordwijk aan Zee (88% illuminated Moon at altitude 8 deg. behind buildings. Good transparancy.) 2005 8 5.962 S 11.7 TA 31.0J 89 2 3 BOU Sint Annen 2005 8 5.94 S 11.8 TK 40.7L 58 4 3 BIV Valdrôme 2005 8 5.51 S 11.4 TJ 40.0L 144 1.6 4 YOS Gunma, Japan (I estimated it very diffused on July 28. But unexpectedly, it is somewhat condensed and clearly visible with a fine clear sky. Anyway, it is much fainter than the prediction, 7-8 mag in summer. It is not brightening as expected.) 2005 8 4.95 S 11.6 TK 40.7L 58 4 3 BIV Valdrôme 2005 8 3.96 S 11.4 TK 40.7L 58 5 2 BIV Valdrôme 2005 8 2.98 S 11.6 TK 20.3T 100 2 3 GON Alto del Castro - Aralla, León 2005 8 2.930 S 11.8 TA 31.0J 89 1.8 2/ BOU Sint Annen (Some interference from nearby star of magn. 12.3 [TA].) 2005 8 2.928 S 11.6 TA 31.0J 89 1.8 3 DIJ Sint Annen 2005 7 31.94 S 11.1 TK 40.7L 58 5 2 BIV Valdrôme 2005 7 30.96 S 11.3 TK 40.7L 58 4 2 BIV Valdrôme 2005 7 30.924 S 11.6 TA 25.4J 58 2.3 2 BOU Sint Annen 2005 7 29.95 S 11.6 TK 20.3T 100 2 3 GON Alto del Trichero - Soto y Amío, León 2005 7 28.50 S 10.6 TJ 40.0L 75 1.6 2 YOS Gunma, Japan (More diffused than I thought, and hard to see.) 2005 7 19.09 S 11.4 TK 20.3T 100 2 3 GON Alto del Castro - Aralla, León 2005 7 16.05 S 11.1 TK 20.3T 77 3 3 GON Alto del Castro - Aralla, León 2005 7 15.067 S 10.9 TA 31.0J 58 2.0 2/ DIJ Revest-du-Bion, France 2005 7 15.065 S 10.8 TA 31.0J 58 2.7 3/ BOU Revest-du-Bion, France 2005 7 13.978 S 10.8 TA 31.0J 58 2.3 3/ DIJ Revest-du-Bion, France 2005 7 13.976 S 10.7 TA 31.0J 58 2.8 3 BOU Revest-du-Bion, France 2005 7 12.960 S 10.9 TA 31.0J 58 2.0 3 DIJ Revest-du-Bion, France 2005 7 12.957 S 10.7 TA 31.0J 58 3.0 3 BOU Revest-du-Bion, France 2005 7 12.05 S 10.7 TK 20.3T 77 4 3 GON Alto del Trichero - Soto y Amío, León 2005 7 11.038 S 10.7 TA 31.0J 58 3.0 3 BOU Revest-du-Bion, France 2005 7 11.037 S 11.0 TA 31.0J 58 2.0 3 DIJ Revest-du-Bion, France 2005 7 10.96 S 10.7 TK 20.3T 67 2.7 3 BIV Pico-Veleta, Spain 2005 7 8.965 S 11.4 TK 20.3T 50 3.6 2 KRI Osterwaal 2005 7 8.962 S 10.7 TA 31.0J 58 4.0 3/ DIJ Revest-du-Bion, France 2005 7 8.961 S 10.8 TA 31.0J 58 3.2 3 BOU Revest-du-Bion, France 2005 7 8.14 S 10.8 TK 20.3T 67 4 3 BIV Pico-Veleta, Spain 2005 7 8.05 S 10.6 TK 20.3T 77 4 3 GON Alto del Trichero - Soto y Amío, León 2005 7 7.11 S 10.8 TK 20.3T 67 3 3 BIV Pico-Veleta, Spain 2005 7 6.13 S 11.0 TK 20.3T 67 3 4 BIV Pico-Veleta, Spain 2005 7 5.970 S 10.4 TA 31.0J 58 3.5 3 DIJ Revest-du-Bion, France 2005 7 5.967 S 10.8 TA 31.0J 58 3.0 3 BOU Revest-du-Bion, France 2005 7 5.965 S 11.5 TK 20.3T 50 2.9 1/ KRI Osterwaal (Very diffuse coma! Faintest star 6.1.) 2005 7 5.96 S 10.7 TK 20.3T 77 4 3 GON Alto del Trichero - Soto y Amío, León 2005 7 4.97 S 10.7 TK 20.3T 67 3.5 3 BIV Pico-Veleta, Spain 2005 7 3.963 S 11.0 TA 31.0J 72 3.4 2 DIJ Revest-du-Bion, France 2005 7 3.961 S 10.8 TA 31.0J 72 3 2/ BOU Revest-du-Bion, France 2005 7 2.99 S 10.6 TK 20.3T 77 4 3 GON Alto del Castro - Aralla, León 2005 7 2.98 S 10.9 TK 20.3T 67 3 3 BIV Pico-Veleta, Spain 2005 7 2.05 S 10.2 TK 10.0B 25 5 2 GON Alto del Castro - Aralla, León 2005 7 2.03 S 10.4 TK 20.3T 77 4 3 GON Alto del Castro - Aralla, León 2005 7 1.98 S 10.6 TK 20.3T 67 3 3 BIV Pico-Veleta, Spain 2005 6 27.977 S 11.0 TA 25.4J 88 1.3 2 DIJ Sint Annen 2005 6 27.975 S 11.2 TA 25.4J 88 1.4 2/ BOU Sint Annen 2005 6 16.08 S 11.3 TK 20.3T 100 1.5 3 GON Alto del Castro - Aralla, León 2005 6 12.04 S 11.4 TK 40.7L 116 1.8 2 BIV Ablis 2005 6 6.09 S 11.6 TK 20.3T 77 1.2 3 GON Alto del Castro - Aralla, León 2005 6 3.07 S 11.9 TK 40.7L 116 1.5 3 BIV Ablis 2005 6 2.10 S 11.8 TK 20.3T 100 0.8 3 GON Alto del Trichero - Soto y Amío, León