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Now it is so bright as 7.7 mag (May 4, Marco Goiato). It will approach to the sun down to 0.66 a.u. in July, and it is expected to brighten up to 4-5 mag. Before the perihelion passage, it keeps observable until mid May in the Northern Hemisphere, or until early June in the Southern Hemisphere. After the perihelion passage, it will be observable in excellent condition after late July in the Northern Hemisphere. In the Southern Hemisphere, it keeps unobservable until early September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 7 27.19 -3 23.1 1.220 1.346 73 8.4 18:41 (132, 48)
May 10 7 11.67 0 43.8 1.326 1.241 62 8.0 18:36 (126, 39)
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It brightened rapidly in outburst in mid October. Now it is bright as 7.9 mag (May 3, Seiichi Yoshida). It keeps 8-9 mag until early summer. In the Northern Hemishpere, it keeps observable in the morning sky until July. In the Southern Hemisphere, it keeps observable in good condition for a long time until the comet fades out.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 21 35.42 -11 3.6 1.746 1.854 79 8.5 5:11 (230, 57)
May 10 21 46.62 -12 49.7 1.711 1.902 84 8.6 5:16 (224, 61)
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Now it is bright as 8.6 mag (May 3, Carlos Labordena). The brightening is somewhat slow, but it is expected to brighten up to 6-7 mag in 2014 autumn. It keeps observable in good condition for a long time in the Northern Hemisphere. It keeps locating low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 13 25.27 49 20.6 1.472 2.085 113 9.1 22:36 (180, 6)
May 10 12 37.78 49 27.0 1.481 2.002 105 8.9 21:22 (180, 6)
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It passed only 0.4 A.U. from the earth, and 0.8 A.U. from the sun in November and December, and brightened up to 4.7 mag (Nov. 28, Juan Jose Gonzalez). Now it is 11.4 mag (May 4, Carlos Labordena). It keeps observable until 2014 autumn when the comet fades out.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 17 43.08 -15 21.4 1.466 2.299 135 10.7 3:02 (180, 70)
May 10 17 28.15 -17 18.6 1.483 2.389 146 10.9 2:19 (180, 72)
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The condition in this apparition is bad. It locates low around the brightest days. Now it is not observable. It will appear in the morning sky at 13 mag in late July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 2 8.08 11 55.5 2.667 1.677 8 12.3 5:11 (262,-10)
May 10 2 28.06 13 12.5 2.651 1.667 10 12.3 5:16 (259, -8)
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Now it is 14.3 mag (Mar. 30, Taras Prystavski). It is expected to brighten up to 7.5 mag and to be observable in excellent condition from summer to autumn in 2014 in the Southern Hemisphere. It keeps observable for a long time in the Southern Hemisphere, although it becomes low temporarily in May. It keeps unobservable for a while in the Northern Hemisphere. It will pass extremely close to Mars in 2014 October.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 2 51.08 -23 44.8 3.440 2.737 39 12.8 18:41 ( 66, 7)
May 10 2 54.39 -23 26.6 3.343 2.665 41 12.6 5:16 (293, 8)
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It brightened up to 2 mag by unusual major outburst in 2007. It is coming back now. It will be 14 mag at best by normal prediction. But actually, it is already very bright as 13.5 mag (Nov. 25, Hidetaka Sato). Now it is not observable. It will appear in the morning sky in May.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 0 48.00 14 16.8 2.924 2.076 26 13.4 5:11 (249, 5)
May 10 1 2.04 16 22.2 2.900 2.085 29 13.5 5:16 (244, 7)
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New outburst occured on May 2. Now it is bright as 13.0 mag (May 3, Seiichi Yoshida).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 15 46.49 -30 52.0 5.197 6.145 158 13.5 1:05 (180, 86)
May 10 15 43.10 -30 44.4 5.165 6.143 164 13.5 0:34 (180, 86)
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Now it is bright as 12.6 mag (May 3, Seiichi Yoshida). It keeps observable at 13 mag in excellent condition from spring to summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 13 55.89 -10 9.6 1.581 2.576 168 13.7 23:10 (180, 65)
May 10 13 53.21 -9 40.2 1.599 2.573 160 13.7 22:40 (180, 65)
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Now it is 15.2 mag (Apr. 7, Katsumi Yoshimoto). It keeps bright as 13-14 mag for a long time from 2013 to 2014.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 20 50.58 -25 13.5 2.820 3.062 94 14.0 5:11 (235, 74)
May 10 20 56.26 -25 16.5 2.729 3.064 99 13.9 5:16 (216, 78)
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Now it is 13.7 mag (Apr. 18, Taras Prystavski). It keeps 14 mag for a long time until 2014 summer. It keeps observable in good condition in the Northern Hemisphere. It keeps unobservable after this in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 4 27.17 56 53.0 2.201 1.668 46 13.9 18:41 (146,-21)
May 10 4 52.09 59 34.9 2.211 1.680 46 14.0 18:36 (149,-22)
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Brightened rapidly. Now it is 14.0 mag (Mar. 28, Sandor Szabo). It will brighten up to 13-14 mag and will be observable in excellent condition from spring to summer in the Southern Hemisphere. It locates somewhat low in the Northern Hemispehre.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 8 41.00 -18 2.1 1.624 1.987 95 14.0 18:41 (147, 70)
May 10 8 54.49 -17 18.5 1.646 1.966 92 14.0 18:36 (143, 69)
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Now it is 13.4 mag (Apr. 8, Taras Prystavski). It keeps bright at 13-14 mag for a long time until 2014.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 19 52.56 4 8.4 6.133 6.388 100 14.0 5:10 (180, 51)
May 10 19 49.76 4 0.0 6.039 6.407 106 14.0 4:40 (180, 51)
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It brightened up to 11-12 mag in 2012. Now it is 14.5 mag (Apr. 30, Sandor Szabo). It will be observable in good condition at 14 mag until 2014 early summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 12 10.64 -9 14.2 6.665 7.496 143 14.0 21:25 (180, 64)
May 10 12 6.23 -8 45.7 6.779 7.531 135 14.1 20:53 (180, 64)
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First return of a new periodic comet discovered in 1998. It brightened up to 10 mag at the discovery. Now it is 13.3 mag (Apr. 30, Sandor Szabo). A bit fainter than originally expected. But in the Northern Hemisphere, it keeps observable in excellent condition from autumn to spring. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 7 51.11 14 16.2 2.248 2.210 74 14.1 18:41 (151, 36)
May 10 8 3.37 13 5.7 2.333 2.225 71 14.3 18:36 (148, 36)
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Now it is 16.1 mag (Apr. 15, Taras Prystavski). It will approach to the earth down to 0.06 a.u. from May to June, and it is expected to brighten up to 11 mag. In the Northern Hemisphere, it keeps observable in excellent condition until the highlight in late May while the comet will be brightening rapidly. In the Southern Hemisphere, it is not observable now. But it will be observable in mid May. Then it keeps observable in excellent condition at the highlight and after that while the comet will be fading.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 8 25.37 67 50.2 0.256 0.971 74 15.0 18:41 (174,-13)
May 10 8 54.60 64 7.5 0.194 0.971 73 14.4 18:36 (174, -9)
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Now it is very bright as 12.9 mag (Apr. 30, Taras Prystavski). It brightened up to 9 mag at the discovery in 2005. It will approach to the sun down to 0.8 a.u. on May 29. However, it will brighten up to 13-14 mag at best. In this apparition, it keeps observable in the morning sky all through the period. But it locates extremely low around the perihelion passage in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 23 1.04 -6 19.5 0.877 0.925 58 14.9 5:11 (247, 38)
May 10 23 41.80 -3 2.5 0.909 0.882 54 14.5 5:16 (246, 35)
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Now it is bright as 13.9 mag (Mar. 29, Sandor Szabo). It keeps 13-14 mag and observable in good condition in the Northern Hemisphere for a long time from 2013 to 2014. In the Southern Hemisphere, it is not observable until 2014 autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 1 5.17 51 47.2 4.345 3.642 40 14.6 5:11 (220,-20)
May 10 1 9.55 51 43.6 4.361 3.664 41 14.6 5:16 (218,-17)
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Now it is 13.3 mag and already visible visually (May 3, Seiichi Yoshida). It is expected to brighten up to 13 mag and to be observable in good condition in 2015. In 2014, it keeps observable in good condition from winter to summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 13 44.02 -0 6.3 3.652 4.609 159 14.9 22:58 (180, 55)
May 10 13 41.41 0 13.8 3.650 4.570 152 14.9 22:28 (180, 55)
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Big asteroid discovered in 1906. It suddenly showed the cometary activity on Dec. 11, 2010, probably due to an impact of a small object. It has already turned to be stellar.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 2 34.78 8 41.1 4.325 3.327 6 14.9 5:11 (269,-13)
May 10 2 43.69 9 33.8 4.323 3.332 9 15.0 5:16 (265, -9)
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Now it is 14.9 mag (Apr. 18, Taras Prystavski). It is expected to brighten up to 5 mag in 2014 autumn. It will be unobservable soon. It will be observable again in July in the Southern Hemisphere, or in August in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 4 54.96 18 17.1 3.390 2.597 32 15.3 18:41 (118, 7)
May 10 4 57.77 18 7.0 3.368 2.505 26 15.1 18:36 (115, 3)
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Now it is 15.2 mag (Apr. 22, Taras Prystavski), brighter than origianlly predicted. It will be observable at 14-16 mag for a long time from 2013 to 2014.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 16 12.93 -25 16.9 3.195 4.136 156 15.7 1:31 (180, 80)
May 10 16 9.18 -25 19.1 3.173 4.151 163 15.7 1:00 (180, 80)
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Brightening rapidly. Now it is 15.7 mag (Apr. 22, Taras Prystavski). It will start fading after June, and will be fainter than 18 mag in August.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 14 7.51 -12 10.6 1.144 2.146 171 16.3 23:22 (180, 67)
May 10 14 1.14 -13 2.6 1.155 2.143 163 16.3 22:48 (180, 68)
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It brightened up to 14.0 mag from spring to summer in 2013 (June 11, Sandor Szabo). Now it is 15.7 mag, much brighter than origianlly predicted (Apr. 24, Taras Prystavski). In the Northern Hemisphere, it will be observable at 15-16 mag in excellent condition until spring. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 11 52.10 35 56.9 4.084 4.602 115 16.4 21:07 (180, 19)
May 10 11 45.13 36 18.3 4.228 4.644 108 16.5 20:32 (180, 19)
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Now it is 17.9 mag (Mar. 9, W. Hasubick). Distant object, but it keeps observable at 14 mag for a long time from 2015 to 2016.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 19 20.94 -2 56.1 6.763 7.166 109 16.7 4:39 (180, 58)
May 10 19 21.02 -2 41.1 6.634 7.133 115 16.6 4:11 (180, 58)
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It approached to the earth down to 0.68 a.u. in spring, and brightened up to 15.6 mag (Mar. 29, Taras Prystavski). Now it is fading. It has already faded down to 16.8 mag (Apr. 23, E. Arce). It will be fainter than 18 mag in June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 10 33.43 -8 21.8 0.912 1.660 119 16.7 19:49 (180, 64)
May 10 10 35.24 -11 10.9 0.979 1.670 114 16.9 19:23 (180, 66)
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It brightened up to 14.7 mag in winter (Jan. 19, Taras Prystavski). Now it is fading. It has already faded down to 16.4 mag (Apr. 20, Taras Prystavski). It will be fainter than 18 mag in June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 7 44.78 23 20.7 1.903 1.851 71 16.7 18:41 (154, 27)
May 10 8 1.83 21 58.5 1.979 1.871 68 16.9 18:36 (152, 28)
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Now it is 16.5 mag (Apr. 16, Taras Prystavski). It keeps 17 mag for a long time from 2014 to 2015. It is observable in excellent condition in the Northern Hemisphere. It is observable only until 2014 summer in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 16 9.89 27 44.4 3.477 4.213 131 17.0 1:28 (180, 27)
May 10 16 6.27 29 20.5 3.457 4.189 130 16.9 0:57 (180, 26)
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It became much brighter than expected, and reached up to 8.5 mag (Aug. 15, Alexandre Amorim). Now it is fading rapidly. It has already faded down to 16.3 mag (Mar. 30, Taras Prystavski). In the Southern Hemisphere, it will keep observable in good condition for a long time until 2014 summer when the comet fades out. It will never be observable again in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 15 46.18 -70 33.6 2.916 3.579 124 17.0 1:06 ( 0, 54)
May 10 15 28.34 -69 30.2 2.940 3.648 127 17.2 0:21 ( 0, 55)
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It is expected to brighten up to 4-5 mag from autumn to winter in 2015. It is appearing in the morning sky in the Southern Hemisphere. It is not observable until late May in the Northern Hemisphere. It is observable in good condition in the Southern Hemisphere until the highlight, or in the Northern Hemisphere after the highlight.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 23 54.74 -11 19.5 7.388 6.767 48 17.1 5:11 (262, 31)
May 10 23 56.94 -11 18.9 7.234 6.705 54 17.1 5:16 (257, 37)
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Now it is 17.0 mag (Apr. 5, J. F. Hernandez). It keeps 17-18 mag for a long time from 2014 to 2016.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 14 22.19 -12 2.9 4.662 5.666 174 17.1 23:36 (180, 67)
May 10 14 13.18 -11 47.5 4.665 5.649 165 17.1 23:00 (180, 67)
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Now it is 17.5 mag (Apr. 5, N. James). It keeps observable at 18 mag for a long time from 2013 to 2016. It keeps locating high in the Northern Hemisphere. It keeps locating very low in the Southern Hemipshere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 19 4.43 43 15.8 6.327 6.505 95 17.1 4:22 (180, 12)
May 10 18 59.49 44 35.8 6.274 6.499 98 17.1 3:50 (180, 10)
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Now it is 18.2 mag (Apr. 22, D. Herald). It keeps 17-18 mag for a long time from 2013 to 2014. It is observable in excellent condition in the Southern Hemisphere. It is not observable in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 11 48.05 -58 8.6 4.017 4.691 126 17.2 21:02 ( 0, 67)
May 10 11 33.22 -57 15.4 4.055 4.696 124 17.3 20:20 ( 0, 68)
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It was observed at 17.5 mag in early 2013. It will be observable at 17.5 mag again from spring to summer in 2014.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 19 38.96 -12 42.0 2.332 2.807 107 17.3 4:57 (180, 68)
May 10 19 41.98 -12 36.1 2.263 2.824 113 17.3 4:32 (180, 68)
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Now it is 17.9 mag (Apr. 6, Ken-ichi Kadota). It keeps 17 mag for a long time until 2015.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 10 46.19 -6 7.7 2.827 3.470 122 17.7 20:01 (180, 61)
May 10 10 47.00 -5 49.4 2.897 3.456 115 17.7 19:35 (180, 61)
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Now it is 17.1 mag (Apr. 14, A. Maury, J.-G. Bosch, T. Noel, J.-F. Soulier). It keeps 17-18 mag until June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 18 45.52 -18 53.3 1.327 2.042 121 17.7 4:03 (180, 74)
May 10 18 46.30 -18 41.9 1.294 2.074 127 17.7 3:37 (180, 74)
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First return of a new periodic comet which brightened up to 13 mag in 2007. It was expected to brighten up to 13 mag again and observable in good condition from summer to autumn in 2014. But actually, it is 18.3 mag, much fainter than expected (Apr. 2, Taras Prystavski). It will be 16 mag at best actually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 22 9.03 -8 3.6 2.574 2.439 70 17.9 5:11 (237, 49)
May 10 22 19.87 -7 21.6 2.480 2.423 74 17.7 5:16 (230, 52)
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Now it is 18.5 mag (Mar. 31, Hidetaka Sato). It is observable at 18 mag in good condition from spring to summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 20 53.48 -7 37.3 1.646 1.911 88 17.9 5:11 (210, 59)
May 10 21 1.42 -5 3.5 1.596 1.929 92 17.9 5:16 (197, 59)
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First return of a new periodic comet discovered in 2005. It was expected to be observable at 17 mag for a long time from 2013 to 2014. However, it has not been recovered yet. Actually, it is much fainter than predicted, fainter than 20 mag (Aug. 6, Jean-Francois Soulier).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 22 27.31 -9 41.1 3.487 3.235 67 17.9 5:11 (243, 47)
May 10 22 34.44 -9 10.0 3.403 3.242 72 17.9 5:16 (236, 51)
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Now it is 17.6 mag (Mar. 28, A. Maury, J.-F. Soulier, T. Noel, J.-G. Bosch). It keeps 18 mag from spring to summer. It is observable in good condition in the Southern Hemisphere. It is not observable in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 17 17.27 -66 23.4 0.658 1.473 122 17.9 2:36 ( 0, 59)
May 10 17 13.00 -65 52.1 0.668 1.511 127 17.9 2:04 ( 0, 59)
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Now it is 18.1 mag (Mar. 29, M. Jaeger, W. Vollmann, E. Prosperi, S. Prosperi). It keeps 18 mag for a very long time from 2013 to 2018. It locates high in the Southern Hemisphere. But it locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 10 55.61 -16 47.5 8.672 9.306 126 17.9 20:11 (180, 72)
May 10 10 55.40 -16 29.2 8.752 9.301 120 17.9 19:43 (180, 72)
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It brightened up to 15.1 mag at opposition in March (Mar. 11, Catalina Sky Survey). Now it is fading rapidly. It has already faded down to 17.4 mag (Apr. 18, K. Hills). It will be fainter than 18 mag in May.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 10 18.57 32 15.0 1.846 2.273 101 17.9 19:33 (180, 23)
May 10 10 6.81 32 43.7 2.044 2.321 92 18.2 18:54 (180, 22)
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Now it is 18.1 mag (Apr. 20, Catalina Sky Survey). It keeps 18 mag for a long time from 2013 to 2014.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 16 4.68 16 39.0 6.709 7.525 141 17.9 1:23 (180, 38)
May 10 15 59.50 17 26.0 6.701 7.529 142 17.9 0:50 (180, 38)
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Now it is 17.5 mag (Aug. 5, Jean-Francois Soulier). It has brightened in outburst up to 14 mag twice, in 2006 January and 2011 May. It will pass the perihelion in 2015. It keeps observable at 17 mag for a long time after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 21 12.65 -12 50.3 6.052 6.059 85 18.0 5:11 (224, 61)
May 10 21 14.97 -12 38.0 5.933 6.050 91 17.9 5:16 (209, 65)
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Now it is 19.4 mag (Apr. 4, A. Waszczak). First return of a new periodic comet which brightened up to 13 mag in outburst in 2008. It will be observable in good condition from spring to summer. However, it will be only 19-20 mag at best in this apparition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
May 3 12 11.35 15 24.9 1.669 2.462 132 19.5 21:26 (180, 40)
May 10 12 10.25 14 54.1 1.717 2.449 125 19.5 20:58 (180, 40)
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