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Now it is so bright as 8.5 mag (Mar. 27, Juan Jose Gonzalez). It will be observable at 8-9 mag in good condition from April to May. After that, it keeps observable for a long time until when it fades out in the Northern Hemisphere, although it will be low in July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 19 40.51 27 20.1 1.353 1.475 75 8.5 4:50 (210, 21)
Apr. 10 19 52.99 37 24.3 1.290 1.451 77 8.3 4:55 (201, 14)
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Now it is so bright as 9.2 mag (Mar. 20, Marco Goiato). It will be fading gradually after late May. But it keeps observable in a good condition for a long time. It keeps observable until autumn when it fades down to 16 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 14 14.59 -5 53.6 0.674 1.645 158 9.6 1:31 (180, 61)
Apr. 10 14 13.29 -5 28.7 0.675 1.663 164 9.7 1:02 (180, 61)
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It reached up to 7.7 mag in last summer (Aug. 13, Chris Wyatt). It is fading now. It has already faded down to 11.5 mag (Mar. 20, Marco Goiato). In the Southern Hemisphere, it keeps observable for a long time after this. But in the Northern Hemisphere, it is only observable in the low sky in spring, then it will never be observable again.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 20 20.61 -27 39.2 4.236 4.044 72 11.3 4:50 (270, 54)
Apr. 10 20 20.56 -28 44.8 4.150 4.085 79 11.3 4:55 (267, 61)
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Bright new comet discovered in the extremely low sky at dawn. Now it is 10.7 mag (Mar. 27, Juan Jose Gonzalez). It will be too low to observe in early April. Then it will never be observable again.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 0 30.96 31 45.9 1.311 0.618 26 11.5 4:50 (249,-28)
Apr. 10 1 23.21 29 2.1 1.433 0.620 21 11.7 19:06 (108,-26)
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It brightened up to 9.5 mag on Jan. 13 (Juan Jose Gonzalez). Now it is still bright as 11.4 mag (Mar. 15, Juan Jose Gonzalez). However, it is fading more rapidly than expected. It will be observable in good condition for a long time after this in the Northern Hemisphere. It keeps visible visually until autumn. In mid March, the nuclear fragmentation was observed.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 15 21.35 60 39.8 2.539 2.999 107 11.6 2:37 (180, -6)
Apr. 10 15 17.78 61 58.5 2.613 3.049 106 11.8 2:06 (180, -7)
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Hidetaka Sato reported that there was no condensation and it was very diffuse on Mar. 12. This comet seems to disintegrate. However, it was reported so bright as 9.8 mag visually (Mar. 15, Juan Jose Gonzalez). In the Northern Hemisphere, it will be too low in early May. In the Southern Hemisphere, it keeps observable for a long time after this, but it keeps locating low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 3 5.51 37 4.7 0.870 0.723 44 12.4 19:16 (129, -9)
Apr. 10 4 6.33 28 0.6 0.998 0.773 45 12.6 19:06 (128, 4)
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It will approach to the sun down to 0.4 A.U. in July, and it is expected to reach up to 4 mag. It has been unobservable for a while, but now it is appearing in the morning sky. In the Northern Hemisphere, it is observable only until June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 22 41.76 -3 57.7 2.661 1.899 32 12.9 4:50 (266, 13)
Apr. 10 22 52.09 -1 30.3 2.492 1.788 36 12.5 4:55 (260, 16)
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It brightened up to 15.5 mag in January (Jan. 31, C. Rinner, F. Kugel). It is not observable now. The condition of this apparition is bad. It will reach up to 11-12 mag from spring to autumn in 2010, but it is not observable.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 0 55.92 14 11.8 2.657 1.678 9 13.4 19:16 ( 93,-21)
Apr. 10 1 15.24 15 34.3 2.624 1.637 7 13.2 19:06 ( 94,-22)
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Now it is 16.8 mag (Mar. 26, Yasukazu Ikari). It will be getting brighter rapidly in the morning sky. It keeps observable bright as 9-10 mag for a long time from spring to autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 19 25.46 -12 45.1 1.534 1.710 82 13.7 4:50 (235, 56)
Apr. 10 19 44.40 -12 18.1 1.447 1.674 84 13.2 4:55 (230, 58)
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Now it is visible visually at 13.4 mag (Mar. 25, Chris Wyatt). It will brighten up to 12-13 mag in summer. But it locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 20 1.83 -25 2.5 2.497 2.448 75 13.5 4:50 (263, 57)
Apr. 10 20 12.96 -24 59.9 2.419 2.452 80 13.4 4:55 (258, 61)
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Great outburst up to 11 mag occured on Feb. 2. Now it is still bright as 11.7 mag (Mar. 15, Juan Jose Gonzalez).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 9 17.06 13 24.0 5.581 6.203 124 13.7 20:30 (180, 42)
Apr. 10 9 16.33 13 25.0 5.678 6.204 117 13.7 20:02 (180, 42)
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It was observed as 15.6 mag at the end of last year (Dec. 6, A. Maury, J. B. de Vanssay, F. Mallia, F. Kugel). It will be 14 mag from winter to spring in 2010. But the condition is bad. Now it is not observable. In the Northern Hemisphere, it will appear in the morning sky at 15 mag in late May, then it keeps observable while fading gradually after that.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 0 29.74 12 30.3 2.748 1.766 8 14.4 4:50 (267,-18)
Apr. 10 0 42.96 15 45.1 2.760 1.786 10 14.5 4:55 (262,-16)
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It brightened up to 11.5 mag in January (Jan. 12, Juan Jose Gonzalez). It is still bright as 13.1 mag (Mar. 13, Carlos Labordena). It will be getting fainter and lower rapidly after this. It will be unobservable in June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 6 52.87 19 24.0 1.866 2.109 89 14.8 19:16 (161, 33)
Apr. 10 7 5.24 19 37.9 1.957 2.128 85 15.1 19:06 (159, 33)
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Now it is visible visually at 14.5 mag (Mar. 15, Juan Jose Gonzalez). It will be bright as 14-15 mag in spring. It keeps observable for a long time until September when it becomes fainter than 18 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 15 47.81 -30 9.0 0.892 1.721 130 15.1 3:04 (180, 85)
Apr. 10 15 55.89 -30 36.7 0.848 1.715 135 15.0 2:44 (180, 86)
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It brightened up to 11 mag in spring and summer in 2009. Appearing in the morninig sky again. It keeps observable after this until autumn when it becomes fainter than 18 mag while fading gradually. But it locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 19 43.48 -24 47.5 2.773 2.773 79 15.2 4:50 (259, 60)
Apr. 10 19 50.76 -24 38.5 2.705 2.799 84 15.2 4:55 (252, 65)
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The condition of this apparition is very bad. It will go away without any observations.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 1 55.77 12 53.3 2.152 1.245 18 15.4 19:16 (100, -8)
Apr. 10 2 21.22 14 24.5 2.134 1.220 17 15.3 19:06 (102, -8)
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Now it is 15.6 mag (Mar. 17, Toshiyuki Takahashi). It was expected to be observable at 15 mag in good condition from winter to spring. But actually, it had been much fainter than expected until January. However, it is brightening very rapidly in February.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 10 7.44 21 49.4 1.441 2.240 132 15.3 21:21 (180, 33)
Apr. 10 10 8.36 21 18.0 1.500 2.242 126 15.4 20:54 (180, 34)
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Now it is 14.9 mag (Feb. 20, Ken-ichi Kadota). It has a very faint large coma. It was observed so bright as 13.5 mag in January (Jan. 16, Michael Jager).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 3 0.80 71 48.0 1.422 1.428 69 15.3 19:16 (160,-29)
Apr. 10 4 2.33 74 45.7 1.415 1.446 71 15.4 19:06 (165,-27)
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It became visible visually at 13.3 mag in winter (Feb. 3, Marco Goiato). Now it is fading slowly. It will be getting lower in the evening sky after this. It will be too low to observe in July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 6 16.30 24 12.7 1.773 1.890 80 15.3 19:16 (153, 26)
Apr. 10 6 31.65 24 30.5 1.833 1.886 77 15.4 19:06 (153, 25)
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Now it is 15.3 mag (Mar. 26, P. Concari, S. Foglia, G. Galli, M. Tombelli). It was observed as 15-16 mag in early 2009. In 2010, it will be observable at 16 mag in good condition from winter to spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 13 47.95 -3 13.0 2.683 3.658 164 15.4 1:05 (180, 58)
Apr. 10 13 43.68 -2 51.7 2.671 3.663 171 15.4 0:33 (180, 58)
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Now it is 15.5 mag (Feb. 20, S. Plaksa, E. Bryssinck). It keeps observable at 15 mag for a long time in 2010.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 18 0.61 25 55.8 4.489 4.738 98 15.5 4:50 (187, 29)
Apr. 10 18 2.61 27 37.3 4.413 4.721 101 15.5 4:51 (180, 27)
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Brightening more slowly than expected. It will be observable at 13-14 mag for a long time from 2011 to 2012. It is getting higher gradually after this. In 2010, it is observable at 15-16 mag in good condition from spring to autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 21 58.91 0 34.6 8.189 7.481 42 16.1 4:50 (255, 19)
Apr. 10 21 59.74 0 49.0 8.069 7.446 48 16.1 4:55 (250, 25)
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Now it is 15.1 mag (Mar. 10, Hidetaka Sato). It brightened up to 11 mag in outburst in 2003. However, it did not become so bright in this apparition. It will be getting lower and fainter rapidly after this. It will be fainter than 18 mag in May.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 5 18.01 23 4.4 1.489 1.439 67 16.3 19:16 (140, 20)
Apr. 10 5 43.78 22 47.6 1.545 1.466 66 16.4 19:06 (142, 22)
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It brightened up to 13 mag and observed visually from 2007 to 2009. Due to the far distance, it is bright as 14.9 mag still now (Jan. 15, Ken-ichi Kadota). It will be observable in good condition again until spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 12 25.58 42 43.8 7.259 7.961 131 16.3 23:38 (180, 12)
Apr. 10 12 18.82 42 55.3 7.341 7.994 127 16.4 23:03 (180, 12)
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Now it is 16.6 mag (Feb. 18, Ken-ichi Kadota). It keeps observable in good condition for a while, but it will be fading after this. It will be fainter than 18 mag in July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 13 40.28 29 20.2 2.522 3.377 143 16.4 0:58 (180, 26)
Apr. 10 13 21.74 29 8.1 2.562 3.416 143 16.5 0:12 (180, 26)
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Now it is 16.3 mag (Jan. 23, Ken-ichi Kadota). This comet tends to brighten after the perihelion passage. It will be observable at 16 mag in 2010 and 2011.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 5 12.66 23 41.7 3.465 3.195 66 16.5 19:16 (139, 19)
Apr. 10 5 21.66 23 46.1 3.556 3.199 61 16.5 19:06 (138, 18)
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It brightned up to 10 mag from late 2008 to early 2009. Now it is fading. It has already faded down to 16.9 mag (Mar. 13, Ken-ichi Kadota). It will be fainter than 18 mag in June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 9 40.06 4 0.3 5.300 6.018 132 17.0 20:53 (180, 51)
Apr. 10 9 38.63 4 3.6 5.440 6.072 125 17.1 20:24 (180, 51)
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It brightened up to 6.7 mag in 2009 June (June 9, Marco Goiato). Now it is fading. It has already faded down to 17.5 mag (Mar. 31, Hidetaka Sato). It will be fainter than 18 mag in May.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 10 34.17 57 38.2 3.288 3.773 111 17.1 21:46 (180, -3)
Apr. 10 10 18.40 57 20.4 3.441 3.837 105 17.4 21:03 (180, -2)
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Now it is 17.3 mag (Mar. 30, Yasukazu Ikari). It keeps observable at 17 mag until spring. It will reach up to 14 mag and will be observable in good condition in the next winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 5 55.40 56 41.7 4.282 4.200 78 17.2 19:16 (163, -5)
Apr. 10 5 57.06 54 55.7 4.340 4.154 72 17.2 19:06 (160, -5)
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It was observed at 17.5 mag in 2009 spring. It will be observable at 17.5 mag again in 2010 spring. However, it locates low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 13 44.01 -21 52.7 5.016 5.957 158 17.3 1:01 (180, 77)
Apr. 10 13 41.27 -20 58.1 4.991 5.965 165 17.2 0:30 (180, 76)
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Now it is 17.4 mag (Feb. 17, Hidetaka Sato). It will be fainter than 18 mag in July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 18 58.91 35 52.5 6.521 6.506 84 17.3 4:50 (198, 16)
Apr. 10 19 0.27 36 49.5 6.515 6.556 87 17.4 4:55 (191, 17)
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It brightened up to 13 mag in major outburst in 2005. It was recovered at 20.7 mag in 2009 January. However, no observations have been reported after 2009 April. The current brightness is quite uncertain.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 13 21.29 -23 7.0 2.467 3.425 160 17.5 0:38 (180, 78)
Apr. 10 13 15.61 -22 49.4 2.423 3.400 164 17.4 0:05 (180, 78)
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Now it is 17.3 mag (Jan. 23, Ken-ichi Kadota). It keeps observable at 17.5 mag in good condition for a long time in 2010.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 23 12.09 72 18.3 5.117 4.846 68 17.4 4:50 (201,-32)
Apr. 10 23 15.79 73 15.6 5.134 4.844 67 17.4 4:55 (199,-30)
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It reached up to 8.5 mag on Oct. 15 (Toru Yusa). Now it is fading. It has already faded down to 17.6 mag (Mar. 11, Yasukazu Ikari). It will be fainter than 18 mag soon.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 6 30.33 21 49.6 2.498 2.593 84 17.4 19:16 (156, 29)
Apr. 10 6 39.62 22 4.0 2.644 2.648 79 17.7 19:06 (154, 28)
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Now it is observable at 17.5 mag in good condition. However, it will be fainter than 18 mag in May.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 11 33.39 -2 59.7 1.783 2.749 161 17.6 22:46 (180, 58)
Apr. 10 11 30.57 -2 10.6 1.816 2.751 153 17.7 22:16 (180, 57)
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Now it is 17.4 mag (Mar. 6, C. Rinner, F. Kugel). It will reach up to 15 mag and will be observable in good condition from autum to winter in 2010. In the Northern Hemisphere, it keeps observable for a long time while it is brightening gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 10 0.60 72 6.8 3.721 3.988 98 17.9 21:13 (180,-17)
Apr. 10 9 41.89 72 15.0 3.754 3.937 93 17.8 20:27 (180,-17)
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New periodic comet which brightened up to 14 mag in 2004 and 2005. It should be observable at 18 mag also around the aphelion. However, no observations have been reported since 2008 January. It seems to have faded out rapidly. Now it is fainter than 20.4 mag actually (Sept. 16, Leonid Elenin).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Apr. 3 6 23.16 30 56.9 4.902 4.866 82 20.3 19:16 (158, 20)
Apr. 10 6 26.60 30 52.9 5.000 4.856 76 20.4 19:06 (154, 19)
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