* * * * * C/2004 Q1 (Tucker) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2005 6 6.49 S[11.8 HS 40.0L 144 !0.9 YOS Gunma, Japan (Not visible. The limiting magnitude is not deep due to the dim sky.) 2005 5 13.022 aS 13.4:HN 31.0J 155 0.7 1 DIJ Sint Annen 2005 5 13.021 aS 13.4 HN 31.0J 155 0.8 2/ BOU Sint Annen 2005 5 4.46 S 12.8 TA 40.0L 144 1.0 3 YOS Gunma, Japan (Still visible when it locates high in the early evening.) 2005 5 3.50 S[12.6 TA 40.0L 144 !0.9 YOS Gunma, Japan 2005 4 11.854 S 13.0 TA 31.0J 109 1.0 3 BOU Sint Annen 2005 4 7.868 S 12.9 TA 31.0J 109 0.8 2/ DIJ Sint Annen 2005 4 7.865 S 12.8 TA 31.0J 109 1.1 3/ BOU Sint Annen 2005 4 5.48 S 12.6 TJ 40.0L 144 1.4 2 YOS Ibaraki, Japan (Extremely hard object. Near limit, low in the sky.) 2005 4 1.898 S 12.9 TA 25.4J 88 0.9 3 BOU Sint Annen 2005 3 31.871 S 12.8 TA 31.0J 109 0.9 3 DIJ Lauwersoog 2005 3 31.870 S 12.9 TA 31.0J 109 0.8 4 BOU Lauwersoog 2005 3 13.956 aS 12.6 HN 25.4J 125 1.2 2 BOU Sint Annen 2005 3 9.826 S 12.5 TA 31.0J 109 1.2 3 BOU Sint Annen 2005 3 8.48 S 12.3 TJ 40.0L 144 0.8 1/ YOS Ibaraki, Japan (It became diffuse and small, different from the look until February. But it may be because of the dim sky.) 2005 2 10.805 S 11.9 TA 31.0J 89 1.5 3 BOU Sint Annen 2005 2 9.04 S 11.8 TK 25.6L 84 1.0 3 BIV Poigny-la-Forêt 2005 2 7.841 S 11.8 TA 31.0J 89 1.7 2 DIJ Sint Annen 2005 2 7.840 S 11.9 TA 31.0J 89 2.0 2 BOU Sint Annen 2005 2 5.44 S 12.0 TJ 40.0L 144 1.3 5 YOS Ibaraki, Japan (Becoming small. But it is moderately condensed and easy to see still.) 2005 1 30.88 S 11.5 TK 20.3T 77 2.0 3 GON Cordal de las Segadas, Asturias 2005 1 14.926 S 11.1 TK 31.0J 72 1.5 3/ DIJ Sint Annen 2005 1 14.923 M 11.5 TK 31.0J 72 2.0 4 BOU Sint Annen 2005 1 12.88 S 11.3 TK 25.6L 42 2.0 4 BIV Poigny-la-Forêt 2005 1 12.795 M 11.5 TK 31.0J 89 1.8 4 BOU Sint Annen 2005 1 8.41 S 10.5 TJ 40.0L 75 2.9 6 YOS Ibaraki, Japan (Well condensed at center, and widely diffused around the circumference. Still bright and large.) 2005 1 7.91 S 11.1 TK 20.3T 77 2.0 3 GON Aralla, León 2005 1 6.93 S 11.3 TK 20.3T 77 2.0 3 GON Aralla, León 2005 1 2.844 M 11.4 SK 31.0J 72 2.2 4/ BOU Langelo 2005 1 2.838 S 11.0 TK 31.0J 72 1.4 3/ DIJ Langelo 2005 1 2.79 S 11.0 TK 25.6L 42 2.0 5 BIV Poigny-la-Forêt 2004 12 20.09 S 11.0 TK 25.6L 84 2.0 4 BIV Poigny-la-Forêt 2004 12 19.876 S 11.1 TK 25.4J 72 2.4 3/ BOU Sint Annen (Moonlight.) 2004 12 17.99 S 11.1 TK 25.6L 42 2.0 4 BIV Poigny-la-Forêt 2004 12 16.89 S 11.3 TK 25.6L 42 2.0 5 BIV Poigny-la-Forêt 2004 12 12.91 S 10.9 TK 20.3L 40 2.5 5 BIV Haute Provence Obs. 2004 12 12.90 S 11.1 TK 20.3T 77 2.5 4 GON Sierra del Aramo, Asturias 2004 12 11.92 S 11.0 TK 20.3L 40 2.6 5 BIV Haute Provence Obs. 2004 12 11.49 M 10.9 TJ 40.0L 75 2.0 7 YOS Gunma, Japan (Getting a bit fainter, but still strongly condensed, wide and bright.) 2004 12 8.90 S 11.0 TK 25.6L 42 2.5 5 BIV Poigny-la-Forêt 2004 12 8.861 S 11.0 TK 30.5T 56 & 2 2 COM Roden (Grey sky, some thin clouds in field, comet close to magn. 11.2-star [TK].) 2004 12 6.88 B 10.1 TK 13.0L 45 1.4 3/ RES Poznan 2004 12 6.00 S 10.7 TK 20.3T 77 2.5 4 GON Camposagrado, León 2004 12 3.788 S 10.7 TK 31.0J 58 3.0 3 BOU Sint Annen 2004 11 21.16 S 10.4 TK 25.4L 59 4 2/ GRA Hågår Observatory, Eina (Diffuse coma with ill defined boundary. Despite similar m1 and altitude [about 15 deg] as 78P the latter object was considerably easier to see. NEL = 5.5 [approx.] near comet.) 2004 11 24.97 B 10.1 TK 13.0L 45 1.5 3/ RES Poznan 2004 11 21.088 S 10.4 TK 31.0J 58 3.0 5 DIJ Sint Annen 2004 11 21.062 M 10.3 TK 31.0J 58 2.7 5 BOU Sint Annen 2004 11 18.02 S 10.2 TK 20.3T 77 2.5 5 GON Aralla, León 2004 11 17.791 S 10.5 TK 12.0B 20 2 3 LOO Le Castellard, France (Central condensation fainter.) 2004 11 16.972 S 10.3 TK 12.0B 20 2 4 LOO Le Castellard, France 2004 11 16.97 B 10.3 TK 13.0L 45 1.6 3 RES Poznan 2004 11 16.48 S 10.6 TK 10.0B 25 3 4 MAT Stockport Observatory, SA 2004 11 16.10 S 10.1 TK 10.0B 25 3 4 GON Camposagrado, León 2004 11 16.09 S 10.4 TK 20.3T 77 2.5 5 GON Camposagrado, León 2004 11 15.785 S 10.2 TK 12.0B 20 3 6 LOO Le Castellard, France (Sharp false nucleus.) 2004 11 14.93 S 10.7 TK 25.6L 42 3.0 6 BIV Poigny-la-Forêt 2004 11 14.920 S 10.0 TK 12.0B 20 3 5 LOO Le Castellard, France 2004 11 14.747 M 10.3 TK 31.0J 58 2.8 5 BOU Sint Annen 2004 11 14.46 S 10.0 AA 10.0B 25 3.0 SEA Cowra, NSW 2004 11 14.02 B 10.5 TK 13.0L 45 1.5 3 RES Poznan 2004 11 13.920 S 10.0 TK 12.0B 20 3 6 LOO Le Castellard, France 2004 11 13.894 S 10.3 TK 30.5T 56 > 2 3/ COM Roden (Comet very close to star of magn. 8.2!) 2004 11 13.04 S 10.4 TK 20.3T 77 2.5 5 GON Camposagrado, León 2004 11 12.907 S 10.0 TK 30.5T 56 & 3 3/ COM Roden 2004 11 12.46 S 10.3 AA 10.0B 25 SEA Cowra, NSW 2004 11 9.50 S 10.3 AA 10.0B 25 SEA Cowra, NSW 2004 11 9.47 S 9.8 TJ 40.0L 36 4.2 6 YOS Gunma, Japan 2004 11 8.939 M 10.3 TK 25.4J 58 2.8 5 BOU Sint Annen 2004 11 6.01 M 10.1 TK 15.2L 38 2.5 3/ GRA Fjellhamar (A rather faint object with diffuse coma. Its glow was fainter than that of NGC 205. NEL = 5.5.) 2004 11 5.879 S 10.2 TK 25.0L 53 2 4 LOO Genk 2004 11 4.839 M 10.5 TK 25.4J 58 2.6 4/ BOU Sint Annen 2004 10 21.920 M 10.4 AU 31.0J 72 2.8 5 BOU Sint Annen 2004 10 21.13 S 10.7 TK 25.6L 42 3.0 6 BIV Poigny-la-Forêt 2004 10 19.827 M 10.5 AU 31.0J 72 2.5 5 BOU Sint Annen 2004 10 18.896 M 10.6 AU 31.0J 72 2.7 4/ DIJ Sint Annen 2004 10 18.893 M 10.6 AU 31.0J 72 2.5 5 BOU Sint Annen 2004 10 18.89 S 10.9 TK 40.7L 58 3.0 6 BIV Poigny-la-Forêt 2004 10 16.51 S 11.1 GA 25.4L 71 SEA Cowra, NSW 2004 10 16.00 S 10.8 TK 25.6L 42 2.0 6 BIV Poigny-la-Forêt 2004 10 15.52 M 10.2 TJ 40.0L 75 1.9 6/ 4m 190 YOS Gunma, Japan 2004 10 15.46 S 11.1 GA 25.4L 71 SEA Cowra, NSW 2004 10 13.86 S 11.0 TK 13.0L 45 2 4 RES Poznan 2004 10 12.97 S 11.0 TK 25.6L 42 2.0 6 BIV Poigny-la-Forêt 2004 10 12.87 S 11.1 TK 13.0L 45 2 4 RES Poznan 2004 10 12.825 M 10.9 AU 31.0J 72 2.1 5 DIJ Sint Annen 2004 10 12.823 M 11.1 AU 31.0J 72 2.2 5 BOU Sint Annen 2004 10 11.831 M 11.1 AU 25.4J 72 2.3 5 BOU Sint Annen 2004 10 10.872 M 11.0 AU 31.0J 72 2.1 4/ DIJ Sint Annen 2004 10 10.872 M 11.2 AU 31.0J 72 2.2 5 BOU Sint Annen 2004 10 9.60 S 11.4 TK 38.0L 150 2.5 5 MAT Stockport Observatory, SA 2004 10 8.917 S 11.4 AU 31.0J 72 1.8 5 DIJ Sint Annen 2004 10 8.916 M 11.3 AU 31.0J 72 2.1 4/ BOU Sint Annen 2004 10 7.875 S 11.3 AU 31.0J 109 2.1 4 DIJ Sint Annen 2004 10 7.872 M 11.6 AU 31.0J 109 1.6 5 BOU Sint Annen (Some interference from beta Ari, 10' away, but kept just outside field of view.) 2004 10 6.90 S 11.3 TK 25.6L 42 1.8 5 BIV Poigny-la-Forêt 2004 10 5.809 S 11.6 AU 25.4J 88 1.8 4 BOU Sint Annen 2004 9 24.12 S 11.3 TK 25.6L 42 1.8 5 BIV Poigny-la-Forêt 2004 9 21.96 M 11.8 TK 20.3L 63 2 4 GUZ Krosno (Comet seems to be a bit brighter and bigger than a few days ago. Easily visible.) 2004 9 19.03 M 12.1 TK 20.3L 63 1.8 4 GUZ Krosno 2004 9 18.98 S 11.6 TK 13.0L 45 1 4 RES Ostrorog 2004 9 17.99 S 11.8 TK 13.0L 45 1 4 RES Ostrorog 2004 9 17.95 M 12.2 SK 20.3L 63 1.5 4 GUZ Krosno 2004 9 17.73 S 11.8 TJ 40.0L 144 1.7 6/ YOS Gunma, Japan 2004 9 17.09 S 12.0 TK 40.7L 58 1.6 5 BIV Ablis 2004 9 17.01 S 12.1 TK 20.3T 77 2.2 3 GON Alto del Castro, León 2004 9 17.01 M 12.3 SK 20.3L 63 1.5 5 GUZ Krosno 2004 9 15.15 S 12.5 TK 25.6L 42 1.2 5 BIV Poigny-la-Forêt 2004 9 14.959 S 12.5 AU 25.4J 88 1.6 3/ BOU Sint Annen 2004 9 14.91 M 12.0 SK 20.3L 63 1.6 5 GUZ Krosno 2004 9 10.96 S 12.3 SK 20.3L 63 1.0 5 GUZ Krosno 2004 9 8.95 S 12.8 HS 40.7L 58 1.3 6 BIV Ablis 2004 9 8.950 S 12.6 AU 31.0J 89 1.3 2/ DIJ Sint Annen 2004 9 8.946 S 12.6 AU 31.0J 89 1.5 3/ BOU Sint Annen (Some interference from nearby magn. 5.9 star, but comet well visible.) 2004 9 8.91 S 12.4 TK 20.3L 63 1.2 4 GUZ Krosno (Small, bright, well condensed object, similar to 78P/Gehrels 2.) 2004 8 26.14 S 12.9 TK 20.3T 100 1.5 3 GON Alto del Castro - Aralla, León