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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)
Mar. 27 19 29.60 18 19.7 1.448 1.504 73 8.8 4:44 (220, 26)
Apr. 3 19 40.51 27 20.1 1.353 1.475 75 8.5 4:50 (210, 21)
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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)
Mar. 27 14 14.47 -6 17.8 0.681 1.630 151 9.5 1:58 (180, 61)
Apr. 3 14 14.59 -5 53.6 0.674 1.645 158 9.6 1:31 (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 11.2 mag (Mar. 13, 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)
Mar. 27 20 19.90 -26 39.1 4.319 4.004 65 11.2 4:44 (273, 47)
Apr. 3 20 20.61 -27 39.2 4.236 4.044 72 11.3 4:50 (270, 54)
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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)
Mar. 27 15 23.24 59 2.4 2.470 2.950 109 11.4 3:07 (180, -4)
Apr. 3 15 21.35 60 39.8 2.539 2.999 107 11.6 2:37 (180, -6)
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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)
Mar. 27 23 27.63 32 15.1 1.213 0.652 32 11.6 4:44 (245,-23)
Apr. 3 0 30.96 31 45.9 1.311 0.618 26 11.5 4:50 (249,-28)
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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 becomes observable in mid April, after the perihelion passage, but it keeps locating low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 1 26.62 43 54.2 0.810 0.697 43 12.3 19:26 (127,-25)
Apr. 3 3 5.51 37 4.7 0.870 0.723 44 12.4 19:16 (129, -9)
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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 keeps unobservable for a while. It will appear in the morning sky at 12 mag in April. In the Northern Hemisphere, it is observable only until June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 22 32.08 -6 9.5 2.823 2.007 28 13.3 4:44 (271, 9)
Apr. 3 22 41.76 -3 57.7 2.661 1.899 32 12.9 4:50 (266, 13)
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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)
Mar. 27 0 37.35 12 48.1 2.690 1.722 11 13.7 19:26 ( 92,-21)
Apr. 3 0 55.92 14 11.8 2.657 1.678 9 13.4 19:16 ( 93,-21)
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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)
Mar. 27 19 50.11 -25 5.6 2.575 2.445 71 13.5 4:44 (267, 52)
Apr. 3 20 1.83 -25 2.5 2.497 2.448 75 13.5 4:50 (263, 57)
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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)
Mar. 27 9 18.31 13 20.9 5.493 6.202 131 13.6 20:59 (180, 42)
Apr. 3 9 17.06 13 24.0 5.581 6.203 124 13.7 20:30 (180, 42)
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Now it is 17.8 mag (Feb. 17, Hidetaka Sato). 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)
Mar. 27 19 6.89 -13 7.4 1.625 1.749 79 14.1 4:44 (240, 54)
Apr. 3 19 25.46 -12 45.1 1.534 1.710 82 13.7 4:50 (235, 56)
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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)
Mar. 27 0 16.66 9 13.2 2.736 1.750 6 14.3 4:44 (273,-21)
Apr. 3 0 29.74 12 30.3 2.748 1.766 8 14.4 4:50 (267,-18)
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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). In the Northern Hemisphere, it keeps observable in good condition until spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 6 41.04 19 3.3 1.776 2.091 93 14.5 19:26 (162, 34)
Apr. 3 6 52.87 19 24.0 1.866 2.109 89 14.8 19:16 (161, 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)
Mar. 27 15 38.32 -29 30.2 0.941 1.730 126 15.2 3:22 (180, 85)
Apr. 3 15 47.81 -30 9.0 0.892 1.721 130 15.1 3:04 (180, 85)
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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)
Mar. 27 19 35.34 -24 57.6 2.839 2.748 74 15.2 4:44 (264, 55)
Apr. 3 19 43.48 -24 47.5 2.773 2.773 79 15.2 4:50 (259, 60)
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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)
Mar. 27 10 7.93 22 11.4 1.390 2.240 138 15.2 21:49 (180, 33)
Apr. 3 10 7.44 21 49.4 1.441 2.240 132 15.3 21:21 (180, 33)
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Now it is 13.3 mag, already visible visually (Feb. 3, Marco Goiato). It will be observable at 15 mag in good condition in winter and spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 6 1.75 23 47.4 1.713 1.896 84 15.3 19:26 (154, 26)
Apr. 3 6 16.30 24 12.7 1.773 1.890 80 15.3 19:16 (153, 26)
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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)
Mar. 27 2 20.00 68 19.9 1.429 1.418 68 15.3 19:26 (156,-29)
Apr. 3 3 0.80 71 48.0 1.422 1.428 69 15.3 19:16 (160,-29)
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It reached up to 8.4 mag in October (Oct. 20, Marco Goiato). It has faded down to 14.4 mag in February (Feb. 28, Ken-ichi Kadota), and it became unobservable. It will not be observable after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 1 9.47 5 35.4 3.114 2.149 12 15.3 19:26 ( 90,-10)
Apr. 3 1 23.08 7 3.8 3.178 2.196 8 15.7 19:16 ( 90,-12)
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Now it is 15.5 mag (Feb. 14, E. Bryssinck, S. Farmer, Jr., P. Camilleri, S. Plaksa). 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)
Mar. 27 13 51.83 -3 34.6 2.710 3.652 157 15.4 1:36 (180, 59)
Apr. 3 13 47.95 -3 13.0 2.683 3.658 164 15.4 1:05 (180, 58)
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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)
Mar. 27 1 31.32 11 16.4 2.174 1.275 19 15.6 19:26 ( 98, -9)
Apr. 3 1 55.77 12 53.3 2.152 1.245 18 15.4 19:16 (100, -8)
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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)
Mar. 27 17 57.97 24 15.8 4.571 4.755 94 15.6 4:44 (195, 29)
Apr. 3 18 0.61 25 55.8 4.489 4.738 98 15.5 4:50 (187, 29)
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Now it is 15.4 mag (Feb. 14, C. Rinner, F. Kugel). It brightened up to 11 mag in outburst in 2003. However, it does not seem to be so bright in this apparition. It seems to be 16 mag at best.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 4 51.81 23 7.5 1.439 1.415 68 16.1 19:26 (139, 19)
Apr. 3 5 18.01 23 4.4 1.489 1.439 67 16.3 19:16 (140, 20)
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It will be observable at 12-13 mag for a long time from 2011 to 2012. It is getting higher gradually after this. In 2010, it is observable at 14 mag in good condition from spring to autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 21 57.84 0 20.0 8.299 7.516 36 16.2 4:44 (261, 13)
Apr. 3 21 58.91 0 34.6 8.189 7.481 42 16.1 4:50 (255, 19)
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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)
Mar. 27 12 32.49 42 25.5 7.191 7.929 135 16.3 0:17 (180, 13)
Apr. 3 12 25.58 42 43.8 7.259 7.961 131 16.3 23:38 (180, 12)
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Now it is 16.6 mag (Feb. 18, Ken-ichi Kadota), a bit fainter than this ephemeris. It will be observable at 16 mag in good condition until spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 13 58.92 29 12.1 2.505 3.339 140 16.4 1:44 (180, 26)
Apr. 3 13 40.28 29 20.2 2.522 3.377 143 16.4 0:58 (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. It is brighter than this ephemeris recently.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 5 4.13 23 36.3 3.372 3.192 71 16.5 19:26 (141, 20)
Apr. 3 5 12.66 23 41.7 3.465 3.195 66 16.5 19:16 (139, 19)
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It brightened up to 6.7 mag in 2009 June (June 9, Marco Goiato). Now it is 16.0 mag (Mar. 9, Hidetaka Sato). It will be fading after this, and keeps observable until spring when it becomes fainter than 18 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 10 52.62 57 37.0 3.144 3.710 117 16.9 22:32 (180, -3)
Apr. 3 10 34.17 57 38.2 3.288 3.773 111 17.1 21:46 (180, -3)
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It brightned up to 10 mag from late 2008 to early 2009. Now it is fading. But it is still bright as 15.8 mag (Feb. 16, Catalina Sky Survey). It keeps observable in good condition at 16 mag for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 9 42.03 3 55.6 5.171 5.964 139 16.9 21:23 (180, 51)
Apr. 3 9 40.06 4 0.3 5.300 6.018 132 17.0 20:53 (180, 51)
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Now it is 16.4 mag (Feb. 13, Catalina Sky Survey). It keeps observable at 17 mag in good condition for a while. It will be fainter than 18 mag in June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 4 16.14 29 13.3 1.843 1.624 61 16.9 19:26 (136, 9)
Apr. 3 4 37.71 30 35.3 1.880 1.622 59 17.0 19:16 (138, 9)
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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 16.6 mag (Feb. 20, P. Bacci). In the Northern Hemisphere, it keeps observable in good condition for a long time until spring when it becomes fainter than 18 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Mar. 27 6 21.33 21 30.2 2.353 2.538 88 17.1 19:26 (158, 30)
Apr. 3 6 30.33 21 49.6 2.498 2.593 84 17.4 19:16 (156, 29)
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Now it is 17.6 mag (Jan. 31, Ken-ichi Kadota). 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)
Mar. 27 5 54.96 58 32.1 4.225 4.245 84 17.2 19:26 (166, -6)
Apr. 3 5 55.40 56 41.7 4.282 4.200 78 17.2 19:16 (163, -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)
Mar. 27 13 46.58 -22 43.8 5.055 5.949 151 17.3 1:31 (180, 78)
Apr. 3 13 44.01 -21 52.7 5.016 5.957 158 17.3 1:01 (180, 77)
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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)
Mar. 27 18 56.98 34 55.1 6.527 6.455 81 17.3 4:44 (204, 15)
Apr. 3 18 58.91 35 52.5 6.521 6.506 84 17.3 4:50 (198, 16)
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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)
Mar. 27 23 7.89 71 28.4 5.097 4.849 70 17.4 4:44 (202,-34)
Apr. 3 23 12.09 72 18.3 5.117 4.846 68 17.4 4:50 (201,-32)
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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)
Mar. 27 11 36.87 -3 51.1 1.763 2.748 168 17.6 23:17 (180, 59)
Apr. 3 11 33.39 -2 59.7 1.783 2.749 161 17.6 22:46 (180, 58)
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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)
Mar. 27 10 20.93 71 41.3 3.691 4.040 103 17.9 22:00 (180,-17)
Apr. 3 10 0.60 72 6.8 3.721 3.988 98 17.9 21:13 (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)
Mar. 27 6 20.36 31 0.5 4.801 4.875 88 20.3 19:26 (161, 21)
Apr. 3 6 23.16 30 56.9 4.902 4.866 82 20.3 19:16 (158, 20)
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