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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 7.9 mag still now (June 4, Chris Wyatt). In the Southern Hemisphere, it keeps observable in good condition until late June. In the Northern Hemisphere, it keeps unobservable until September when the comet will be fainter than 13 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 6 7 31.85 -1 18.3 1.107 0.821 45 7.9 18:25 (109, 27)
June 13 7 46.44 2 34.9 1.346 0.872 40 8.6 18:25 (110, 22)
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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 8.2 mag still now (June 4, Maik Meyer). 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 6 15 15.15 86 27.1 2.338 2.219 70 8.4 22:09 (180,-31)
June 13 14 49.70 83 0.1 2.386 2.293 72 8.6 21:22 (180,-28)
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Now it is 9.9 mag (June 1, Chris Wyatt), 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. In the Southern Hemisphere, it is observable in the extremely low sky until early June. Then it becomes unobservable temporarily, but 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 6 3 2.47 22 23.8 1.662 0.868 25 9.6 5:31 (240, 3)
June 13 3 41.59 26 59.1 1.531 0.720 23 8.9 5:34 (237, -1)
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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 6 0 53.82 1 35.3 1.696 1.511 61 10.1 5:31 (231, 40)
June 13 1 9.82 3 12.1 1.686 1.545 64 10.3 5:34 (226, 41)
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Now it is 11.8 mag (June 4, Chris Wyatt). 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 6 23 53.38 -26 54.1 2.535 2.695 87 10.9 5:31 (252, 70)
June 13 23 55.82 -28 45.8 2.328 2.608 94 10.6 5:34 (247, 76)
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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 6 4 55.26 22 34.9 2.367 1.352 0 10.6 18:25 (106,-18)
June 13 5 19.01 24 41.5 2.375 1.360 1 10.7 5:34 (252,-18)
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It will brighten up to 11 mag in April and May. But the condition is bad in this apparition. 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 6 2 45.03 3 19.3 2.429 1.726 36 12.3 5:31 (252, 19)
June 13 3 1.72 3 56.2 2.438 1.771 39 12.6 5:34 (249, 21)
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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 6 12 23.23 4 34.1 1.510 2.071 108 12.8 19:26 (180, 51)
June 13 12 26.61 3 54.0 1.545 2.031 102 12.7 19:02 (180, 51)
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Now it is 14.3 mag (May 22, Yuji Ohshima). 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 6 19 28.12 -8 23.2 2.660 3.502 140 13.1 2:33 (180, 63)
June 13 19 27.14 -8 21.3 2.619 3.512 146 13.0 2:05 (180, 63)
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Now it is 13.4 mag (May 26, Hirohisa Sato). It is expected to brighten up to 12 mag from July to August. In the Southern Hemisphere, it keeps observable in good condition until summer. In the Northern Hemisphere, it will be getting higher gradually after May, and will be observable in good condition after summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 6 20 56.79 -22 1.9 1.088 1.859 124 13.4 4:02 (180, 77)
June 13 20 54.82 -17 13.3 0.989 1.818 130 13.1 3:32 (180, 72)
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It was observed as bright as 11-12 mag from early May to mid May.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 6 17 42.48 -31 46.3 5.048 6.037 165 13.4 0:48 (180, 87)
June 13 17 38.81 -31 42.6 5.031 6.035 170 13.4 0:17 (180, 87)
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Now it is 15.5 mag (May 29, A. Maury, J.-F. Soulier, J.-G. Bosch, T. Noel). 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 6 2 13.90 9 56.3 2.110 1.489 40 13.8 5:31 (241, 20)
June 13 2 36.23 12 7.0 2.049 1.446 41 13.5 5:34 (238, 20)
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It brightened very rapidly. Now it is so bright as 13.8 mag and visible visually (May 11, Sandor Szabo). It keeps 14-15 mag for a while after this. In the Northern Hemisphere, it will be getting lower gradually after May, and will be unobservable in mid June. 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 6 9 28.92 6 20.4 3.677 3.428 67 14.3 18:25 (141, 41)
June 13 9 36.35 5 41.5 3.761 3.427 63 14.4 18:25 (136, 39)
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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. It will be observable again in mid June also in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 6 0 55.56 -17 21.0 4.167 3.948 70 14.9 5:31 (252, 52)
June 13 0 55.10 -17 46.5 4.124 4.021 77 14.9 5:34 (244, 59)
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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 6 21 30.94 -0 47.8 5.091 5.512 109 14.9 4:36 (180, 56)
June 13 21 31.72 -0 39.4 4.973 5.490 115 14.9 4:09 (180, 56)
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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 6 2 9.12 70 4.3 2.231 1.817 53 15.0 5:31 (198,-22)
June 13 2 17.70 74 35.3 2.272 1.914 56 15.3 5:34 (193,-24)
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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 6 22 7.60 13 21.7 0.792 1.343 95 15.1 5:12 (180, 42)
June 13 22 11.57 18 35.4 0.818 1.391 98 15.4 4:48 (180, 36)
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Now it is 16.4 mag (May 28, A. Maury, J.-G. Bosch, J.-F. Soulier). 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 6 23 34.43 -8 5.6 1.623 1.820 83 15.4 5:31 (214, 59)
June 13 23 50.17 -6 49.7 1.547 1.797 86 15.1 5:34 (206, 59)
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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 6 5 7.15 33 35.4 5.211 4.221 11 15.3 18:25 (117,-21)
June 13 5 10.95 33 42.7 5.145 4.152 10 15.2 5:34 (243,-21)
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Now it is 17.0 mag (May 24, C. Rinner, F. Kugel, J. Nicolas). 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 6 23 10.13 -2 15.9 1.458 1.734 87 15.3 5:31 (199, 56)
June 13 23 23.47 -0 52.3 1.410 1.740 90 15.3 5:34 (191, 55)
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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 becomes 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 6 3 9.37 4 25.3 5.087 4.251 31 15.3 5:31 (255, 13)
June 13 3 11.16 5 11.9 5.014 4.241 36 15.3 5:34 (250, 18)
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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 6 1 57.25 19 0.1 4.657 3.952 41 15.3 5:31 (232, 16)
June 13 2 1.97 20 31.1 4.594 3.964 46 15.3 5:34 (226, 19)
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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 6 1 13.60 10 18.6 1.919 1.555 53 15.3 5:31 (229, 30)
June 13 1 33.06 11 15.4 1.895 1.568 55 15.3 5:34 (226, 31)
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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 6 18 31.69 -21 29.9 6.886 7.832 157 15.6 1:37 (180, 76)
June 13 18 26.61 -21 54.5 6.876 7.863 165 15.6 1:05 (180, 77)
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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 6 10 56.88 -4 12.8 9.492 9.587 92 15.7 18:25 (168, 59)
June 13 10 56.26 -4 3.2 9.651 9.624 85 15.7 18:25 (155, 57)
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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 15.6 mag (Apr. 24, 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 6 1 33.71 -10 9.4 2.218 1.904 58 16.0 5:31 (251, 41)
June 13 1 46.31 -9 44.8 2.211 1.958 62 16.2 5:34 (247, 44)
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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. But actually, it brightened up to 14-15 mag at best. It will be fading after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 6 21 34.18 -7 17.5 0.511 1.291 111 16.2 4:39 (180, 62)
June 13 21 40.94 -6 46.5 0.519 1.328 116 16.3 4:18 (180, 62)
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It brightened up to 13 mag in 2014. Now it is 15.5 mag (Jan. 3, Ken-ichi Kadota). 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 6 1 5.37 -0 14.8 4.056 3.657 60 16.2 5:31 (235, 39)
June 13 1 11.49 0 18.3 3.983 3.672 65 16.2 5:34 (229, 43)
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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 6 22 35.89 -32 8.0 2.290 2.741 105 16.4 5:31 (213, 86)
June 13 22 43.35 -32 16.8 2.192 2.714 110 16.2 5:20 (180, 87)
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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 6 1 48.93 16 7.7 2.807 2.193 43 16.3 5:31 (232, 20)
June 13 2 2.39 17 26.5 2.769 2.207 47 16.2 5:34 (228, 22)
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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 6 13 59.45 7 16.7 1.334 2.115 127 16.6 21:01 (180, 48)
June 13 13 56.50 6 36.6 1.351 2.071 121 16.3 20:31 (180, 49)
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It brightened up to 13 mag in winter. Now it is fading. It has already faded down to 15.9 mag (May 20, Hiroshi Abe). It keeps observable in good condition for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 6 11 32.06 11 54.6 2.545 2.805 94 16.4 18:35 (180, 43)
June 13 11 37.80 10 46.8 2.670 2.843 89 16.6 18:25 (176, 44)
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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 6 22 40.22 7 21.6 1.020 1.443 90 17.1 5:31 (185, 48)
June 13 23 5.55 11 37.5 0.923 1.365 89 16.4 5:34 (183, 43)
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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 6 23 5.97 -5 25.3 0.727 1.241 89 16.5 5:31 (199, 59)
June 13 23 38.88 -5 3.6 0.707 1.221 88 16.4 5:34 (200, 59)
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Now it is 15.8 mag (May 26, Catalina Sky Survey). It will brighten rapidly, and will be 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 6 16 24.48 -11 51.9 0.784 1.788 167 16.5 23:26 (180, 67)
June 13 16 22.28 -10 22.8 0.787 1.777 160 16.5 22:56 (180, 65)
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Now it is 16.1 mag (May 20, Hiroshi Abe). 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 6 12 40.24 24 4.3 3.759 4.103 102 16.5 19:42 (180, 31)
June 13 12 40.99 22 37.3 3.877 4.136 97 16.6 19:16 (180, 33)
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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 6 13 13.96 52 59.2 3.056 3.232 90 16.6 20:15 (180, 2)
June 13 13 2.27 51 23.7 3.212 3.303 86 16.9 19:36 (180, 4)
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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 6 0 23.45 2 37.5 2.468 2.296 68 16.8 5:31 (222, 43)
June 13 0 35.29 3 38.8 2.377 2.277 71 16.7 5:34 (216, 45)
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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 6 16 58.81 -26 57.3 2.171 3.184 175 16.7 0:05 (180, 82)
June 13 16 53.86 -26 28.3 2.180 3.190 172 16.7 23:28 (180, 81)
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Getting observable again in the morning sky. 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 6 23 48.99 12 51.0 5.984 5.762 72 16.8 5:31 (206, 38)
June 13 23 48.97 12 39.2 5.912 5.807 79 16.8 5:34 (197, 41)
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Now it is 15.8 mag (May 18, MASTER-SAAO Observatory, Sutherland). 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 6 0 35.80 -4 9.5 3.784 3.539 68 16.9 5:31 (231, 47)
June 13 0 40.29 -3 16.5 3.737 3.586 73 16.9 5:34 (223, 50)
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In the Northern Hemisphere, it will be getting higher gradually in the morning sky. Then it keeps observable at 17 mag in good condition from summer to winter. In the Southern Hemisphere, it keeps extremely low and hard to observe for a long time after August.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 6 2 15.68 2 0.3 1.842 1.309 43 17.0 5:31 (248, 25)
June 13 2 36.54 5 32.2 1.809 1.284 43 16.9 5:34 (243, 25)
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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 6 1 28.54 -32 40.7 5.650 5.455 73 17.0 5:31 (280, 53)
June 13 1 33.14 -33 5.9 5.628 5.516 78 17.0 5:34 (278, 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 6 19 33.19 28 30.2 1.442 2.097 116 17.0 2:39 (180, 27)
June 13 18 54.60 31 33.1 1.421 2.130 121 17.0 1:34 (180, 24)
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Now it is 16.1 mag (May 27, Catalina Sky Survey). 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 6 16 19.50 -23 44.8 1.576 2.584 171 17.1 23:21 (180, 79)
June 13 16 14.42 -23 38.6 1.600 2.592 164 17.2 22:48 (180, 79)
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Now it is 17.3 mag (May 22, K. Hills). 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 6 12 29.03 3 28.9 3.006 3.491 110 17.2 19:31 (180, 52)
June 13 12 30.19 3 15.4 3.067 3.458 104 17.2 19:05 (180, 52)
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Now it is 16.3 mag (Apr. 19, Catalina Sky Survey). 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 6 10 42.72 -15 38.3 5.286 5.441 93 17.2 18:25 (153, 69)
June 13 10 40.40 -15 11.8 5.418 5.452 86 17.2 18:25 (137, 65)
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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 6 17 3.09 -15 33.2 1.962 2.971 172 17.2 0:09 (180, 71)
June 13 16 56.71 -15 46.8 2.038 3.044 170 17.5 23:30 (180, 71)
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First return of a new periodic comet which brightened up to 12 mag in 2009. It seems to brighten up to 17 mag in summer. 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 6 10 5.36 -6 21.7 1.426 1.621 81 17.4 18:25 (144, 56)
June 13 10 20.39 -6 34.5 1.442 1.588 78 17.3 18:25 (139, 55)
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It brightened up to 15.3 mag in winter (Jan. 17, Taras Prystavski). Now it is fading. It is observable in good condition in the Southern Hemisphere. It will be observable in good condition after June also in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 6 0 50.60 -18 47.2 2.420 2.324 72 17.4 5:31 (252, 54)
June 13 0 45.95 -18 0.5 2.338 2.367 79 17.3 5:34 (242, 60)
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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 6 15 9.03 65 40.1 6.686 6.754 89 17.4 22:09 (180,-11)
June 13 14 55.79 65 16.2 6.741 6.768 87 17.4 21:29 (180,-10)
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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 6 22 14.28 51 1.0 4.319 4.236 78 17.4 5:19 (180, 4)
June 13 22 17.46 51 53.8 4.294 4.262 81 17.5 4:54 (180, 3)
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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 6 23 21.92 -3 1.0 5.826 5.821 84 17.8 5:31 (205, 55)
June 13 23 24.32 -2 47.4 5.719 5.822 90 17.8 5:34 (193, 57)
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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 6 0 13.77 2 7.7 1.560 1.556 70 17.8 5:31 (220, 45)
June 13 0 32.70 3 29.7 1.519 1.554 72 17.8 5:34 (215, 45)
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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 6 12 1.08 -20 1.7 8.701 9.137 112 17.8 19:03 (180, 75)
June 13 12 1.69 -19 47.0 8.800 9.136 106 17.8 18:36 (180, 75)
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It brightened up to 15.5 mag from autumn to winter (Nov. 25, Taras Prystavski). Now it is fading. It has already faded down to 17.8 mag (May 20, A. Diepvens). It keeps observable in good condition for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 6 17 37.20 -8 28.3 1.661 2.646 162 17.9 0:43 (180, 63)
June 13 17 31.27 -8 47.3 1.694 2.690 165 18.1 0:09 (180, 64)
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