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Now it is 8.0 mag (June 15, Alan Hale), fainter than originally predicted. It will approach to the sun down to 0.3 a.u. in July, and it was expected to brighten up to 3 mag. But actually, it will be 6 mag at best. It is not observable now. In the Southern Hemisphere, it will be observable after mid July, and keeps observable while the comet will be fading gradually. It will not be observable after this in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 4 33.25 31 20.4 1.420 0.568 19 7.9 2:58 (230, 0)
June 27 5 41.59 34 6.0 1.335 0.424 13 6.8 3:01 (223, -4)
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It brightened up to 3.7 mag and became a naked eye comet in mid January (Jan. 13, Marek Biely). Now it is fading. But it is bright as 8.6 mag still now (June 20, Alexander Baransky). In the Northern Hemisphere, it keeps observable all night until July when the comet will fade down to 10 mag. Then it keeps observable for a long time until the comet fades out. It is not observable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 14 45.22 79 26.1 2.436 2.368 74 8.8 21:03 (179, 46)
June 27 14 46.35 75 48.6 2.490 2.442 75 9.0 21:04 (176, 49)
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It brightened up to 6.0 mag in mid May (May 14, Chris Wyatt). It will be fading after this. But it is bright as 8.2 mag still now (June 13, Marco Goiato). It will be unobservable soon also in the Southern Hemisphere. It will be observable again after September, but the comet will be fainter than 13 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 7 56.12 5 25.4 1.570 0.938 34 9.2 21:03 (103, -9)
June 27 8 3.29 7 36.9 1.774 1.015 29 9.8 21:04 (108,-12)
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Now it is bright as 10.5 mag (June 20, Marco Goiato). It is expected to brighten up to 5 mag from autumn to winter. It keeps observable in excellent condition until autumn in the Southern Hemisphere. In the Northern Hemisphere, it is observable in the morning low sky until mid July. But after that, it keeps unobservable until late November.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 23 57.32 -31 7.7 2.124 2.521 100 10.3 2:58 (320, 11)
June 27 23 57.51 -34 7.6 1.925 2.432 107 9.9 3:01 (327, 12)
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Now it is bright as 10.4 mag (June 4, Chris Wyatt). In the Southern Hemisphere, it keeps observable in good condition for a long time until the comet fades out. In the Northern Hemisphere, it will be getting higher gradually after this, and will be observable in good condition while the comet will be fading gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 1 24.95 4 41.7 1.674 1.580 66 10.5 2:58 (278, 20)
June 27 1 39.16 6 3.7 1.660 1.618 69 10.7 3:01 (280, 24)
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It brightened up to 12.8 mag until March (Mar. 21, Michael Mattiazzo). It will brighten up to 10.5 mag in May and June, but it is not observable. In the Northern Hemisphere, it will be observable after autumn while the comet will be fading.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 5 43.33 26 33.1 2.386 1.373 3 10.8 2:58 (222,-14)
June 27 6 8.10 28 8.6 2.399 1.391 5 11.0 3:01 (222,-12)
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Brightening rapidly. Now it is so bright as 11.5 mag (June 20, Marco Goiato). It will brighten up to 11 mag from July to August. It is observale in good condition in the Northern Hemisphere, but it will be getting lower gradually in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 20 50.36 -11 35.1 0.904 1.781 136 12.0 2:58 (359, 43)
June 27 20 43.27 -5 6.3 0.836 1.748 141 11.7 2:26 ( 0, 50)
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Now it is 12.7 mag and visible visually (May 15, Uwe Pilz). It will brighten up to 11 mag in 2015 autumn. In this apparition, it is observable until the highlight while the comet is brightening.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 12 31.42 3 4.7 1.580 1.991 97 12.6 21:03 ( 55, 44)
June 27 12 37.57 2 6.8 1.616 1.952 92 12.4 21:04 ( 59, 39)
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Now it is 14.7 mag (June 3, Taras Prystavski). It will brighten up to 11 mag from August to October. In the Northern Hemisphere, it will be getting higher gradually after July, then it keeps observable in good condition. In the Southern Hemisphere, it keeps low until November.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 2 59.61 14 14.4 1.992 1.406 41 13.3 2:58 (257, 6)
June 27 3 24.04 16 16.3 1.942 1.369 42 13.0 3:01 (256, 8)
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Now it is 12.7 mag (May 26, Michael Mattiazzo). In the Southern Hemisphere, it is getting higher gradually in the morning sky. It will not be observable until late July in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 3 17.75 4 26.1 2.444 1.817 41 13.0 2:58 (262, -3)
June 27 3 33.12 4 49.2 2.448 1.864 44 13.4 3:01 (264, 0)
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Now it is 14.2 mag (May 24, Taras Prystavski). In 2015, it keeps 13-14 mag and will be observable in good condition for a long time.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 19 25.54 -8 24.4 2.589 3.524 153 13.0 1:36 ( 0, 47)
June 27 19 23.46 -8 32.4 2.570 3.538 158 13.0 1:06 ( 0, 46)
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Now it is 13.0 mag (June 19, Chris Wyatt). It looks diffuse.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 17 35.08 -31 37.2 5.028 6.033 170 13.4 23:41 ( 0, 23)
June 27 17 31.42 -31 30.0 5.039 6.031 166 13.4 23:10 ( 0, 24)
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It brightened very rapidly. Now it is so bright as 13.8 mag and visible visually (May 11, Sandor Szabo). In the Northern Hemisphere, it will be unobservable soon. In the Southern Hemisphere, it will be getting lower gradually after June, and will be unobservable in early August.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 9 44.13 4 59.7 3.842 3.427 58 14.4 21:03 ( 87, 13)
June 27 9 52.20 4 14.9 3.920 3.428 54 14.5 21:04 ( 89, 8)
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Now it is 15.7 mag (June 3, Taras Prystavski). It will be observable at 13 mag in good condition from summer to autumn. The fragment D is also observed at 21.9 mag (May 30, Pan-STARRS 1).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 0 5.75 -5 35.0 1.474 1.777 89 14.8 2:58 (301, 29)
June 27 0 21.13 -4 22.4 1.405 1.759 91 14.6 3:01 (303, 32)
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Now it is 15.2 mag (May 25, Hiroshi Abe). Distant object, but it keeps observable at 14-15 mag for a long time from 2015 to 2016.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 21 32.01 -0 34.5 4.860 5.467 122 14.8 2:58 (342, 53)
June 27 21 31.81 -0 33.3 4.755 5.445 128 14.7 3:01 (354, 54)
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It brightened up to 6.9 mag in 2014 autumn (Oct. 17, Marco Goiato). Now it is fading. It has already faded down to 14.8 mag (May 22, C. W. Hergenrother). In the Southern Hemisphere, it keeps observable in good condition until the comet fades out. In the Northern Hemisphere, it keeps observable until winter, but it locates somewhat low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 0 53.92 -18 18.3 4.077 4.094 83 15.0 2:58 (302, 11)
June 27 0 51.98 -18 56.2 4.028 4.167 90 15.0 3:01 (308, 16)
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Now it is 15.1 mag (Apr. 17, Taras Prystavski). It will pass close to the earth from spring to summer in 2016, and it is expected to be observable at 6-7 mag in good condition. It is not observable now. In the Northern Hemispehre, it will appear in the morning sky in late July, then it keeps observable in excellent condition until winter. In the Southern Hemisphere, it will be observable after mid August, but it keeps very low until winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 5 14.85 33 51.6 5.065 4.082 13 15.1 2:58 (222, -5)
June 27 5 18.78 34 1.9 4.972 4.013 17 15.0 3:01 (226, -1)
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Now it is 19 mag (May 24, WISE). It will brighten very rapidly, and it is expected to brighten up to 11 mag from summer to autumn. In the Northern Hemisphere, it keeps observable in good condition in the morning sky. It keeps locating extremely low from summer to autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 23 35.22 16 24.2 0.839 1.287 87 15.7 2:58 (286, 49)
June 27 0 10.56 21 34.4 0.771 1.209 83 15.0 3:01 (278, 50)
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Now it is 15.8 mag (Feb. 22, Taras Prystavski). It will brighten up to 14 mag from 2015 to 2016. In the Southern Hemisphere, it became unobservable temporarily from April to May, but it will be observable in good condition again after June. It will be observable in good condition after July also in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 3 12.69 5 56.8 4.930 4.231 42 15.2 2:58 (262, -1)
June 27 3 13.88 6 40.2 4.836 4.223 47 15.2 3:01 (265, 5)
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Now it is 16.2 mag (June 3, Taras Prystavski). It is expected to brighten up to 15 mag in summer, and will be observable in excellent condition. However, it is fainter than this ephemeris recently.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 23 35.99 0 26.2 1.363 1.749 93 15.2 2:58 (302, 38)
June 27 23 47.58 1 38.3 1.317 1.760 97 15.2 3:01 (306, 42)
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Now it is 15.3 mag (Jan. 7, Taras Prystavski). It keeps 15 mag for a long time from 2014 to 2015. It is observable in excellent condition in 2014 in the Southern Hemisphere, or in 2015 in the Northern Hemisphere. It will be getting higher gradually in the morning sky.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 2 6.39 22 2.6 4.525 3.976 51 15.3 2:58 (257, 21)
June 27 2 10.46 23 34.7 4.452 3.990 56 15.3 3:01 (259, 27)
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Now it is 17.1 mag (Apr. 27, Hidetaka Sato). First return of a comet re-discovered after 112-year blank in 2008. It brightened up to 12 mag in 2008. In this apparition, it was expected to brighten up to 15 mag from spring to summer, but it is fainter than predicted. It keeps locating low in the morning sky for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 1 52.14 12 3.5 1.871 1.584 57 15.4 2:58 (268, 19)
June 27 2 10.76 12 42.4 1.847 1.603 60 15.4 3:01 (269, 21)
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It brightened up to 9.2 mag in March (Mar. 9, Juan Jose Gonzalez). Now it is fading. It has already faded down to 14.8 mag (May 26, Hiroshisa Sato). In the Northern Hemisphere, it will be getting higher gradually after this. It is not observable after this in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 2 28.41 79 3.8 2.317 2.011 59 15.5 2:58 (193, 35)
June 27 2 45.00 83 28.5 2.366 2.107 62 15.8 3:01 (188, 36)
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Now it is 16.0 mag (May 26, Yasukazu Ikari). It is observable at 15-16 mag in good condition in 2015.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 18 21.38 -22 18.7 6.883 7.893 173 15.6 0:32 ( 0, 33)
June 27 18 16.09 -22 42.4 6.908 7.924 178 15.7 23:54 ( 0, 32)
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Now it is 16.4 mag (May 22, J. Gonzalez). It keeps observable after this while the comet will be getting brighter graudually. It will brighten up to 11 mag from autumn to winter. But it locates low at that time.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 13 55.14 5 43.4 1.373 2.028 115 16.0 21:03 ( 29, 57)
June 27 13 55.43 4 38.5 1.398 1.984 109 15.7 21:04 ( 39, 53)
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It brightened up to 11-12 mag in 2012. It has already faded down to 15.5 mag (May 11, Sandor Szabo). It keeps observable at 15 mag in good condition until summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 10 55.97 -3 55.9 9.808 9.662 78 15.8 21:03 ( 68, 21)
June 27 10 55.97 -3 50.8 9.962 9.699 72 15.8 21:04 ( 73, 16)
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It approached to the earth, and brightened up to 12.0 mag from April to May (Apr. 24, Taras Prystavski). Now it is fading, but it is bright as 14.5 mag still now (May 25, Hiroshi Abe). it will be fainter than 18 mag in late July. It is observable in excellent condition for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 22 13.26 23 12.1 0.848 1.445 101 15.8 2:58 (297, 68)
June 27 22 12.70 27 10.7 0.880 1.503 104 16.3 3:01 (301, 76)
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First return of a periodic comet discovered in 1994. Now it is 16.9 mag (May 25, MASTER-SAAO Observatory, Sutherland). It will brighten up to 15 mag from summer to autumn, and will be observable in excellent condition in the Southern Hemisphere. It locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 22 49.96 -32 30.2 2.098 2.688 114 16.1 2:58 (334, 17)
June 27 22 55.63 -32 48.3 2.009 2.663 119 15.9 3:01 (339, 19)
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It brightened up to 13 mag in 2014. Now it is 16.7 mag (June 3, Taras Prystavski). It will be fading slowly after this. It is observable at 16 mag in excellent condition from summer to winter in 2015.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 1 17.19 0 47.9 3.906 3.688 70 16.2 2:58 (283, 19)
June 27 1 22.41 1 13.8 3.825 3.703 75 16.1 3:01 (287, 24)
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It brightened up to 16.4 mag in 2014 (Nov. 14, J. F. Hernandez). It will be observable at 16 mag again from summer to autumn in 2015.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 2 15.64 18 41.0 2.727 2.222 50 16.2 2:58 (259, 17)
June 27 2 28.64 19 51.0 2.684 2.239 53 16.2 3:01 (260, 21)
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First return of a periodic comet discovered in 2008. Now it is 17.2 mag (May 19, Catalina Sky Survey). It will approach to the earth from spring to summer, and brighten rapidly. It will brighten up to 16 mag, and will be observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 0 11.38 -4 46.5 0.696 1.206 87 16.3 2:58 (299, 28)
June 27 0 42.79 -4 34.8 0.693 1.198 86 16.3 3:01 (299, 28)
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It must have brightened up to 11 mag from January to February, but no observations have been reported. Now it is 16.6 mag (June 3, Taras Prystavski). In the Southern Hemisphere, it is observable in the morning sky after this while the comet will be fading. In the Northern Hemisphere, it will be getting higher after July, but the comet will be faitner than 17 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 1 58.03 -9 27.5 2.199 2.012 65 16.4 2:58 (285, 5)
June 27 2 8.86 -9 17.7 2.185 2.066 69 16.6 3:01 (288, 9)
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Now it is bright as 13.9 mag and visible visually (May 14, Chris Wyatt). In this apparition, it turns to approach to the sun down to 1.17 a.u., and it was expected to brighten up to 13 mag from March to May. It will be fading after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 21 44.65 -6 33.6 0.527 1.369 121 16.5 2:58 (340, 46)
June 27 21 45.45 -6 39.3 0.536 1.413 128 16.6 3:01 (350, 48)
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Now it is 17.5 mag (Apr. 27, Hidetaka Sato). It will be observable at 15 mag in good condition in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 0 46.98 4 37.2 2.285 2.258 75 16.6 2:58 (285, 27)
June 27 0 58.48 5 32.1 2.195 2.240 79 16.5 3:01 (287, 32)
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Now it is 16.7 mag (June 12, Mitsunori Tsumura). It is observable at 16.5 mag in good condition from May to July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 16 20.92 -9 6.6 0.799 1.769 153 16.5 22:27 ( 0, 46)
June 27 16 20.78 -8 5.7 0.820 1.763 147 16.5 22:00 ( 0, 47)
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Now it is 15.4 mag (May 24, Taras Prystavski). In the Northern Hemisphere, it keeps 15-16 mag and observable in excellent condition until early summer. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 12 42.42 21 9.7 3.999 4.169 92 16.7 21:03 ( 73, 57)
June 27 12 44.47 19 42.2 4.124 4.202 87 16.8 21:04 ( 77, 51)
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It brightened up to 13 mag in winter. Now it is fading. It has already faded down to 17.9 mag (June 6, Mitsunori Tsumura). It keeps observable in good condition for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 11 44.01 9 38.1 2.796 2.880 84 16.7 21:03 ( 72, 39)
June 27 11 50.63 8 28.9 2.923 2.918 79 16.9 21:04 ( 75, 34)
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Now it is 17.7 mag (Feb. 17, K. Hills). It keeps observable at 17 mag from spring to summer. It locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 16 49.19 -25 57.9 2.202 3.196 165 16.8 22:55 ( 0, 29)
June 27 16 45.08 -25 27.2 2.237 3.203 158 16.8 22:24 ( 0, 30)
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Now it is 16.3 mag (May 25, Taras Prystavski). It is fading, but it is observable at 17 mag in good condition until late autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 23 48.43 12 24.1 5.836 5.852 85 16.8 2:58 (288, 44)
June 27 23 47.36 12 5.3 5.760 5.897 92 16.8 3:01 (295, 49)
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Now it is 16.5 mag (June 3, Taras Prystavski). It keeps observable in good condition until the comet fades out. In 2014, it must have been observable at 14 mag in good condition in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 0 44.14 -2 27.4 3.683 3.631 79 16.9 2:58 (291, 24)
June 27 0 47.32 -1 42.1 3.632 3.679 84 17.0 3:01 (295, 29)
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It brightened rapidly in outburst in mid October in 2013, then it keeps bright as 8-10 mag for a long time until 2014 summer. Now it is fading. It has already faded down to 15.8 mag (Feb. 9, Taras Prystavski). In the Southern Hemisphere, it keeps observable in good condition for a long time after this until the comet fades out. It is not observable in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 1 37.29 -33 35.9 5.605 5.576 83 17.1 2:58 (307, -6)
June 27 1 40.95 -34 10.4 5.581 5.636 87 17.1 3:01 (311, -2)
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First return of a new periodic comet which brightened up to 12 mag in 2009. Now it is 18.3 mag (June 10, Hidetaka Sato), fainter than this ephemeris by 1 mag. It will be 17-18 mag at best in this apparition. It is observable in good condition in the Southern Hemisphere. In the Northern Hemisphere, it keeps locating extremely low after June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 10 36.40 -6 54.5 1.458 1.557 75 17.2 21:03 ( 69, 16)
June 27 10 53.69 -7 23.2 1.472 1.529 73 17.1 21:04 ( 71, 14)
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It brightened up to 9 mag from autumn to winter in 2014. Now it is fading rapidly. It has already faded down to 14.8 mag (May 26, Yasukazu Ikari). In the Northern Hemisphere, it will be observable in excellent condition after this while the comet will be fading. In the Southern Hemisphere, it is hardly observable after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 12 53.60 49 46.3 3.370 3.374 81 17.1 21:03 (132, 63)
June 27 12 47.39 48 10.1 3.529 3.445 76 17.4 21:04 (126, 58)
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Now it is 16.5 mag (May 1, R. A. Mastaler, A. F. Tubbiolo). It keeps 17 mag until summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 18 12.98 33 26.0 1.439 2.167 122 17.1 0:25 ( 0, 88)
June 27 17 32.19 33 58.8 1.496 2.205 121 17.3 23:08 ( 0, 89)
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Now it is 17.4 mag (June 12, Mitsunori Tsumura). It will brighten up to 14 mag and will be observable in good condition in 2016.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 12 32.18 2 56.3 3.131 3.424 98 17.2 21:03 ( 54, 44)
June 27 12 34.98 2 31.9 3.196 3.390 92 17.2 21:04 ( 60, 39)
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Now it is 16.3 mag (June 6, Mitsunori Tsumura). It keeps 17 mag until July. It is observable in excellent condition in the Southern Hemisphere. It locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 16 10.08 -23 32.3 1.635 2.600 156 17.2 22:16 ( 0, 31)
June 27 16 6.74 -23 26.8 1.682 2.608 149 17.3 21:46 ( 0, 32)
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It brightened up to 15.3 mag in winter (Jan. 17, Taras Prystavski). Now it is fading. It has already faded down to 17.8 mag (June 3, Taras Prystavski). It is observable in good condition in the Southern Hemisphere. It will be observable in good condition after this also in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 0 39.81 -17 19.1 2.251 2.411 86 17.3 2:58 (303, 14)
June 27 0 31.94 -16 42.5 2.164 2.457 94 17.3 3:01 (310, 21)
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Now it is 16.6 mag (May 7, Taras Prystavski). It keeps 17 mag for a long time from 2014 to 2016.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 10 38.73 -14 50.2 5.550 5.462 79 17.3 21:03 ( 63, 11)
June 27 10 37.65 -14 33.4 5.679 5.474 73 17.4 21:04 ( 68, 6)
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Now it is 17.9 mag (Mar. 21, W. Hasubick). It was observed at 17 mag in 2014 summer. In the Northern Hemisphere, it is observable at 17.5 mag in excellent condition also in 2015. It is not observable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 22 19.72 52 42.0 4.266 4.288 84 17.5 2:58 (215, 66)
June 27 22 21.02 53 24.9 4.238 4.314 87 17.5 3:01 (206, 69)
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Now it is 17.4 mag (Apr. 14, A. Klotz, F. Kugel, J. Nicolas, C. Rinner). It keeps observable at 17-18 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)
June 20 14 43.84 64 42.9 6.800 6.782 84 17.5 21:03 (177, 60)
June 27 14 33.34 64 1.8 6.860 6.796 82 17.5 21:04 (168, 60)
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Now it is 17.7 mag (May 10, A. Maury, J.-F. Soulier). It has brightened in outburst up to 14 mag twice, in 2006 January and 2011 May. It is around the perihelion now. 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)
June 20 23 26.27 -2 36.6 5.613 5.824 96 17.7 2:58 (307, 37)
June 27 23 27.78 -2 28.8 5.508 5.825 103 17.7 3:01 (314, 42)
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Now it is 20.2 mag (June 15, Jean-Francois Soulier). It is expected to brighten rapidly, and to be observable at 16 mag in good condition from summer to winter. But actually, it is much fainter than this ephemeris.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 23 24.64 -17 2.7 2.331 2.741 102 17.8 2:58 (318, 26)
June 27 23 29.15 -16 30.7 2.210 2.705 108 17.7 3:01 (323, 30)
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Now it is 19.2 mag (Mar. 22, iTelescope Observatory, Siding Spring). It will be observable at 17.5 mag in good condition in summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 0 51.32 4 45.8 1.479 1.555 74 17.7 2:58 (284, 27)
June 27 1 9.56 5 55.0 1.442 1.559 76 17.7 3:01 (285, 30)
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It brightened up to 10.6 mag from autumn to winter (Nov. 29, Seiichi Yoshida). Now it is fading. It has already faded down to 16.7 mag (May 26, Hiroshi Abe). It keeps observable for a long time until the comet fades out.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 16 50.96 -16 1.6 2.127 3.116 163 17.8 22:57 ( 0, 39)
June 27 16 46.05 -16 17.5 2.230 3.188 156 18.0 22:25 ( 0, 39)
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It has not been observed in this apparition yet. It is expected to brighten rapidly, and to be observable at 13.5 mag in good condition in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 0 52.90 -6 39.8 2.054 2.108 78 18.0 2:58 (293, 19)
June 27 1 6.77 -6 5.4 1.943 2.064 82 17.8 3:01 (296, 23)
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Very far object. However, outburst occured on Feb. 20, and it brightened up to 15 mag. It was reported so bright visually as 11.8 mag (Mar. 11, Marco Goiato). However, it has already faded down to 17.8 mag (May 16, K. Hills). 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)
June 20 12 2.64 -19 34.3 8.904 9.135 99 17.9 21:03 ( 44, 22)
June 27 12 3.91 -19 23.8 9.010 9.134 93 17.9 21:04 ( 50, 18)
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Far object. It keeps observable at 18 mag in good condition from summer to autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 20 2.32 -1 49.4 5.719 6.547 141 17.9 2:12 ( 0, 53)
June 27 20 0.80 -1 57.7 5.662 6.545 147 17.9 1:43 ( 0, 53)
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Now it is 21.7 mag (Apr. 21, T. H. Bressi). It is expected to brighten rapidly up to 15 mag in August. It is observable in good condition in the Southern Hemisphere. It locates somewhat low in the Northern Hemisphere until August.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 20 11 54.21 -8 52.7 0.550 1.189 94 18.3 21:03 ( 53, 29)
June 27 12 1.88 -8 52.9 0.526 1.138 89 17.9 21:04 ( 57, 25)
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