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It approached to the Sun down to 0.45 a.u. on Oct. 10. It is not observable now. It was 12.5-13.0 mag on Sept. 24 (Michael Jager). It will never be observable again in the Northern Hemisphere. In the Southern Hemisphere, it will appear in the evening sky at 14 mag in November, but it keeps extremely low after that. It has a very similar orbit to Comet C/1915 R1 ( Mellish ).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 14 3.70 -1 12.6 1.374 0.460 12 10.8 19:42 ( 78,-14)
Oct. 22 14 44.72 -10 56.2 1.434 0.528 14 11.5 19:50 ( 71, -7)
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It brightened up to 6.2 mag in June (June 24, Marco Goiato). Now it is fading. It has already faded down to 13.3 mag (Sept. 28, Chris Wyatt). It it not observable already in the Northern Hemisphere. It will be unobservable soon also in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 14 36.50 -28 20.8 3.612 2.758 26 12.2 19:42 ( 61, 8)
Oct. 22 14 40.14 -28 35.6 3.735 2.832 21 12.4 19:50 ( 56, 3)
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It brightened very rapidly and became brighter than expected. Now it is very bright as 12.9 mag (Oct. 4, Chris Wyatt). It will be unobservable in November in the Southern Hemisphere, or in December in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 16 33.65 -17 1.0 2.515 1.985 47 12.3 19:42 ( 86, 25)
Oct. 22 16 50.53 -17 9.3 2.565 1.987 44 12.4 19:50 ( 83, 21)
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Now it is bright as 11.7 mag (Oct. 5, Katsumi Yoshimoto). It keeps locating extremely low until November in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 10 40.30 5 26.0 2.099 1.519 42 12.5 3:49 (259, 6)
Oct. 22 10 58.53 3 25.1 2.093 1.547 44 13.0 3:39 (261, 7)
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Now it is 13.5 mag (Oct. 5, Ken-ichi Kadota). It is expected to brighten up to 7 mag in 2017 summer. In the Northern Hemisphere, it keeps observable in good condition until the highlight while the comet will be brightening. In the Southern Hemisphere, it is not observable until early 2017.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 11 44.05 47 22.5 3.768 3.379 59 12.9 3:49 (230,-28)
Oct. 22 11 58.84 46 53.7 3.647 3.312 62 12.7 3:39 (230,-27)
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Now it is 12.8 mag (Oct. 11, Chris Wyatt). It will be getting higher gradually after this, but it will be fading.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 10 4.93 1 19.6 1.933 1.498 49 12.8 3:49 (257, 15)
Oct. 22 10 21.48 -1 8.6 1.928 1.531 51 12.9 3:39 (259, 17)
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Now it is 13.5 mag (Oct. 5, Thomas Lehmann). It will be fading gradually after this. In the Northern Hemisphere, it keeps low after this. In the Southern Hemisphere, it will be getting lower after this, and it will be unobservable in December.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 17 16.92 -29 8.3 1.984 1.700 58 13.2 19:42 ( 79, 39)
Oct. 22 17 39.17 -29 41.1 2.057 1.728 56 13.5 19:50 ( 77, 37)
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It brightened up to 11 mag from spring to summer. Now it is not observable. It will be observable at 16 mag again in 2017 spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 14 23.72 -12 1.4 2.743 1.804 15 13.5 19:42 ( 72, -4)
Oct. 22 14 41.82 -13 28.7 2.788 1.836 13 13.7 19:50 ( 68, -6)
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It brightened up to 8-9 mag from winter to spring. Now it is fading. It has already faded down to 12.9 mag (July 23, Chris Wyatt). It is not observable now. It will appear in the morning sky at 14 mag in November in the Northern Hemisphere, or in December in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 12 39.31 -0 18.4 4.949 3.985 13 13.6 3:49 (281,-15)
Oct. 22 12 44.22 -1 29.5 4.976 4.043 18 13.7 3:39 (280,-12)
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Now it is faint as 17.3 mag (Oct. 14, Jean-Francois Soulier). It is observable in excellent condition in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 19 19.93 -24 34.6 5.876 5.896 86 13.6 19:42 (104, 62)
Oct. 22 19 22.58 -24 22.3 5.986 5.894 79 13.7 19:50 ( 98, 56)
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It had been lost for a long time over 200 years since its discovery in 1783. It brightened rapidly, and reached up to 13.9 mag in September (Spet. 1, Sandor Szabo). Now it is 14.5 mag (Oct. 5, Thomas Lehmann). It will be fading after this. It is observable in excellent condition for a while in the Northern Hemisphere. It will be unobservable in November in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 5 33.80 24 49.0 1.122 1.815 117 13.9 3:49 (183, 30)
Oct. 22 5 32.84 28 57.7 1.071 1.829 124 14.0 3:31 (180, 26)
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It brightened up to 11.6 mag from late August to early September (Aug. 29, Juan Jose Gonzalez). Now it is fading. It has already faded down to 13.8 mag (Sept. 29, Sandor Szabo). It will be low in November, but it keeps observable in good condition for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 18 50.37 -8 33.3 1.845 1.960 81 14.0 19:42 (119, 47)
Oct. 22 18 46.55 -11 25.6 2.029 1.985 73 14.3 19:50 (107, 41)
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It keeps unobservable for a long time. It will appear in the morning sky in December, when the comet will be fainter than 15 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 12 31.69 -8 27.6 2.535 1.574 12 14.0 3:49 (287, -9)
Oct. 22 12 52.01 -10 11.5 2.570 1.620 13 14.1 3:39 (289, -8)
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Now it is bright as 12.2 mag (Oct. 11, Chris Wyatt). Distant object, but it keeps observable at 13-14 mag for a long time from 2015 to 2016.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 0 39.34 -3 32.7 4.023 4.989 164 14.0 23:01 (180, 58)
Oct. 22 0 37.42 -4 1.7 4.069 5.000 157 14.0 22:32 (180, 59)
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Now it is 16.4 mag (Aug. 12, Thomas Lehmann). It will be unobservable temporarily from summer to autumn. Then it will appear in the morning sky at 13 mag in December. It is expected to brighten up to 7 mag in 2017 spring. But it locates somewhat low at the high light.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 12 53.49 -9 11.8 4.118 3.130 6 14.5 3:49 (291,-12)
Oct. 22 13 3.03 -10 6.1 4.023 3.051 10 14.4 3:39 (290,-10)
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Now it is 14.2 mag (Sept. 24, Kunihiro Shima). It will be fading gradually after this. It will be unobservable soon. But it will appear in the morning sky again at 16 mag in winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 15 52.80 10 36.7 4.156 3.485 42 14.7 19:42 (103, 1)
Oct. 22 15 58.71 8 52.6 4.255 3.529 38 14.8 19:50 ( 98, -4)
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It brightened up to 6 mag from autumn to winter. Now it is fading. It has already faded down to 14.6 mag (Sept. 9, Katsumi Yoshimoto). It is observable in good condition in the Northern Hemisphere. It is not observable after this in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 5 32.52 55 56.6 4.151 4.617 111 14.7 3:49 (181, -1)
Oct. 22 5 21.36 56 30.6 4.128 4.689 118 14.8 3:20 (180, -2)
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Now it is 14.9 mag (Sept. 29, Sandor Szabo). In the Northern Hemisphere, it will be observable at 15 mag in good condition from September to October. In the Southern Hemisphere, it is not observable until November.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 21 53.70 64 7.0 0.474 1.264 113 14.9 20:18 (180, -8)
Oct. 22 22 14.48 53 1.5 0.545 1.356 120 15.2 20:10 (180, 3)
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It brightened up to 12.5 mag in summer (Aug. 3, Marco Goiato). Now it is fading. It has already faded down to 14.0 mag (Sept. 28, Chris Wyatt). It keeps observable in good condition for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 21 3.71 -17 21.7 2.252 2.776 111 15.0 19:42 (168, 72)
Oct. 22 21 9.00 -17 12.2 2.364 2.803 105 15.2 19:50 (147, 69)
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Now it is 15.4 mag (Oct. 9, Kunihiro Shima). It will brighten up to 14 mag from winter to spring in 2017, and it will be observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it keeps extremely low until November, and it will be low also around the higlight.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 9 46.95 26 19.3 2.753 2.456 62 15.2 3:49 (235, 3)
Oct. 22 10 0.63 25 57.6 2.672 2.448 66 15.1 3:39 (235, 4)
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Now it is 15.0 mag (Sept. 30, Sandor Szabo). It will be observable at 15-16 mag in good condition from autumn to winter. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 4 45.46 33 5.8 1.875 2.599 126 15.2 3:11 (180, 22)
Oct. 22 4 45.32 33 34.5 1.827 2.614 133 15.2 2:44 (180, 21)
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It has been lost since its discovery in 1978. In 2016, it is expected to return in excellent condition from autumn to winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 20 31.34 -28 14.6 0.704 1.327 101 15.3 19:42 (122, 78)
Oct. 22 20 50.34 -26 35.6 0.712 1.309 98 15.2 19:50 (118, 74)
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Now it is very bright as 15.6 mag (Sept. 11, Hidetaka Sato). It will be observable at 11 mag for a long time from 2017 to 2018. Now it is observable in excellent condition in the Southern Hemisphere. But it keeps low for a while in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 3 42.15 -41 1.2 5.460 6.032 120 15.5 2:08 ( 0, 84)
Oct. 22 3 37.95 -41 21.0 5.397 5.980 121 15.4 1:36 ( 0, 84)
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It has brightened in outburst up to 14 mag twice, in 2006 January and 2011 May. Third outburst occured on Aug. 28, and it brightened up to 14.8 mag (Aug. 30, Juan Jose Gonzalez). It is bright as 15.4 mag still now (Sept. 29, Sandor Szabo). It is observable in good condition for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 1 13.32 5 19.1 5.361 6.357 176 15.5 23:35 (180, 50)
Oct. 22 1 10.82 5 1.6 5.390 6.370 169 15.6 23:05 (180, 50)
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Now it is 15.2 mag (Sept. 23, Kunihiro Shima). It will brighten up to 14 mag from summer to winter in 2017. Then it will be observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it is hardly observable around the highlight.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 23 14.72 -15 46.5 3.661 4.475 140 15.8 21:37 (180, 71)
Oct. 22 23 8.45 -15 7.0 3.695 4.432 132 15.8 21:03 (180, 70)
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Now it is 16.2 mag (Sept. 12, Alexander Baransky). It will brighten up to 15 mag in winter. But it will be getting lower gradually after autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 21 53.84 -9 27.7 1.444 2.179 125 16.2 20:16 (180, 64)
Oct. 22 21 53.69 -8 49.2 1.475 2.139 118 16.1 19:50 (179, 64)
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Now it is 16.2 mag (Aug. 31, Sandor Szabo). It will be observable at 13 mag for a long time from 2017 to 2018. In 2016, it keeps observable at 16 mag in good condition until autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 18 31.26 -8 46.6 5.762 5.615 76 16.1 19:42 (114, 44)
Oct. 22 18 30.92 -8 38.0 5.838 5.574 69 16.1 19:50 (107, 37)
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Now it is 15.8 mag (Sept. 30, Sandor Szabo). It will brighten up to 13 mag and will be observable in good condition in 2017 summer. In 2016, it keeps observable until winter when it will brighten up to 15.5 mag. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 2 28.82 30 49.2 3.266 4.177 152 16.3 0:55 (180, 24)
Oct. 22 2 14.29 30 8.4 3.179 4.127 159 16.2 0:14 (180, 25)
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Now it is 16.5 mag (Apr. 5, Yasukazu Ikari). It keeps 16-17 mag for a long time from 2016 to 2019. It keeps locating near by the equator.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 9 14.02 2 24.1 10.153 9.732 62 16.3 3:49 (248, 25)
Oct. 22 9 16.14 2 13.6 10.043 9.725 68 16.3 3:39 (245, 28)
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Now it is 17.0 mag (Sept. 10, Alexander Baransky). It will be observable at 16 mag in good condition from autumn to winter. It locates low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 7 23.92 24 7.1 3.687 3.866 92 16.6 3:49 (210, 24)
Oct. 22 7 27.34 24 10.6 3.575 3.857 98 16.5 3:39 (207, 26)
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It brightened rapidly, and reached up to 16.3 mag now (Sept. 7, Alexander Baransky). It is observable at 16.5 mag in good condition from autumn to winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 22 34.58 -11 5.7 1.912 2.704 134 16.5 20:57 (180, 66)
Oct. 22 22 33.69 -10 37.8 1.967 2.690 127 16.6 20:29 (180, 66)
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Now it is 17.8 mag (Sept. 24, Kunihiro Shima). It will be getting higher after this, and it will be observable at 17 mag in good condition in winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 10 42.04 6 57.3 2.821 2.192 42 16.6 3:49 (258, 5)
Oct. 22 10 54.92 5 55.0 2.786 2.215 46 16.6 3:39 (258, 6)
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It brightened up to 15 mag in early 2016. Now it is fading. It has already faded down to 16.7 mag (Aug. 31, Kunihiro Shima). In the Northern Hemisphere, it keeps observable in good condition for a long time until 2017 autumn when the comet will be fainter than 18 mag. It will never be observable after this in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 13 4.70 67 39.8 6.046 5.889 76 16.6 3:49 (207,-41)
Oct. 22 13 19.22 67 12.5 6.032 5.913 78 16.6 3:39 (208,-41)
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First return of a new periodic comet discovered in 2007. Now it is 19.4 mag (Sept. 1, K. Sarneczky, P. Szekely). It was expected to brighten up to 16.5 mag and will be observable in good condition from autumn to winter. But actually, it is fainter than predicted by 1.5 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 3 41.48 -13 15.0 1.593 2.434 138 16.9 2:07 (180, 68)
Oct. 22 3 38.74 -13 39.7 1.542 2.412 142 16.8 1:37 (180, 69)
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Now it is 17.8 mag (Sept. 1, Kunihiro Shima). It will brighten up to 15 mag and will be observable in good condition from autum to winter in 2017. In the Northern Hemisphere, it keeps observable in good condition for a long time while the comet will be brightening. It is not observable until 2017 summer in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 4 35.65 59 46.4 4.982 5.509 117 16.9 3:02 (180, -5)
Oct. 22 4 22.90 59 53.9 4.866 5.475 123 16.8 2:22 (180, -5)
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Now it is 15.8 mag (Sept. 9, Alexander Baransky). It keeps 16.5 mag from 2016 to 2017. It is observable in good condition in the Northern Hemisphere. In the Southern Hemisphere, it will never be observable again.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 16 47.88 32 42.0 6.626 6.257 64 16.8 19:42 (129, -3)
Oct. 22 16 52.10 32 34.1 6.658 6.254 62 16.8 19:50 (124, -8)
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Now it is 16.9 mag (July 30, Yasukazu Ikari). It will brighten up to 16 mag and will be observable in good condition in 2017. In 2016, it is observable in excellent condition in the Southern Hemisphere, but it keeps low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 19 3.65 -33 27.6 3.101 3.118 81 17.2 19:42 ( 84, 62)
Oct. 22 19 11.22 -32 46.3 3.179 3.102 76 17.2 19:50 ( 82, 56)
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Now it is 18.1 mag (Oct. 6, Kunihiro Shima). It will pass the perihelion on Mar. 10, 2017. In the Northern Hemisphere, it keeps observable in the evening sky until late February while the comet will be brightening up to 8.5 mag. In the Southern Hemisphere, it will appear in the morning sky in late March at 8 mag, then it keeps observable while the comet will be fading.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 23 52.29 12 33.4 1.334 2.289 157 17.2 22:14 (180, 42)
Oct. 22 23 38.93 11 15.9 1.311 2.221 148 17.3 21:33 (180, 44)
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It brightened up to 15 mag from late 2014 to early 2016. Now it is fading slowly. Now it is 16.6 mag (Oct. 9, Kunihiro Shima). In the Northern Hemisphere, it will be observable at 16-17 mag in autumn in good condition. It locates extremely low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 21 42.40 40 1.9 4.746 5.345 122 17.3 20:04 (180, 15)
Oct. 22 21 35.68 38 57.5 4.841 5.380 117 17.3 19:50 (176, 16)
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Now it is 17.3 mag (Sept. 10, Alexander Baransky). It tends to be brightest after the perihelion passage. It is observable at 17.5 mag in good condition from autumn to winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 2 33.53 1 6.8 2.109 3.067 160 17.3 1:00 (180, 54)
Oct. 22 2 29.33 0 34.7 2.103 3.076 165 17.3 0:28 (180, 54)
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It will pass the perihelion in 2019. However, it has not been brightening since the discovery in 2010. Now it is 18.1 mag (Aug. 10, D. Buczynski). It keeps observable in excellent condition in the Northern Hemisphere. It is not observable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 4 40.11 59 31.6 9.349 9.839 116 17.3 3:06 (180, -5)
Oct. 22 4 37.52 60 2.6 9.258 9.819 121 17.3 2:36 (180, -5)
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It was observed at 17 mag last winter. It will be observable at 17 mag again next winter. Now it is 18.1 mag (Sept. 24, Kunihiro Shima). It is observable in good condition in the Northern Hemisphere. But it locates low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 10 24.47 12 39.3 4.332 3.748 48 17.4 3:49 (251, 5)
Oct. 22 10 32.06 13 2.7 4.257 3.760 54 17.4 3:39 (249, 6)
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Now it is 18.3 mag (Oct. 6, Kunihiro Shima). It will be observable at 17.5 mag in good condition in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 22 50.33 1 45.2 1.588 2.452 141 17.4 21:13 (180, 53)
Oct. 22 22 50.11 1 22.8 1.623 2.431 135 17.4 20:45 (180, 54)
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Now it is 18.4 mag (Oct. 9, Kunihiro Shima). In the Northern Hemisphere, it is observable at 17.5 mag in excellent condition from autumn to winter. It keeps extremely low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 9 4.58 30 40.3 2.281 2.202 72 17.4 3:49 (225, 6)
Oct. 22 9 18.94 30 57.3 2.219 2.213 76 17.4 3:39 (225, 7)
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Appearing in the morning sky. It keeps 16 mag for a long time from 2017 to 2018.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 9 47.08 -12 21.7 6.658 6.104 52 17.5 3:49 (267, 27)
Oct. 22 9 48.45 -12 22.6 6.543 6.080 58 17.4 3:39 (264, 30)
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First return of a new periodic comet discovered in 2005. Now it is 18.9 mag (Aug. 31, Kunihiro Shima). In the Northern Hemisphere, it will be observable at 17 mag in excellent condition in winter. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 4 1.04 24 6.3 1.996 2.823 138 17.5 2:27 (180, 31)
Oct. 22 3 59.39 24 0.6 1.941 2.821 146 17.4 1:58 (180, 31)
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Now it is 18.2 mag (Aug. 25, Michael Jager). In the Northern Hemisphere, it will be observable at 17 mag in excellent condition in winter. It locates low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 7 6.22 32 3.2 3.108 3.387 97 17.6 3:49 (203, 19)
Oct. 22 7 11.13 32 15.8 3.014 3.386 103 17.5 3:39 (200, 20)
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Now it is 18.0 mag (July 24, CAO, San Pedro de Atacama). It keeps 17 mag for a long time in 2016, and it will be observable in excellent condition in the Southern Hemisphere. It is hardly observable in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 0 40.94 -50 55.8 3.089 3.689 119 17.6 23:01 ( 0, 74)
Oct. 22 0 22.03 -49 42.5 3.164 3.715 116 17.7 22:15 ( 0, 75)
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Now it is 17.5 mag (Sept. 23, iTelescope Observatory, Siding Spring). It keeps 17 mag for a long time from 2016 autumn to 2017 summer, and it keeps observable good condition all through that period in the Southern Hemisphere. In the Northern Hemisphere, it will be unobservable soon, then it will never be observable again.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 4 52.86 -40 1.3 2.284 2.802 111 17.8 3:18 ( 0, 85)
Oct. 22 4 47.20 -44 20.2 2.251 2.771 111 17.7 2:45 ( 0, 81)
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Peculiar asteroid with a comet-like orbit. It is observable at 18 mag in good condition in October.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 2 54.94 -8 53.3 1.992 2.903 150 17.7 1:21 (180, 64)
Oct. 22 2 42.92 -13 2.1 1.986 2.904 152 17.7 0:42 (180, 68)
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Now it is 18.5 mag (Oct. 9, Jean-Francois Soulier). It keeps observable at 17.5 mag in good condition from autumn to winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 3 40.45 18 16.3 2.226 3.095 144 17.9 2:06 (180, 37)
Oct. 22 3 37.84 17 56.3 2.172 3.089 152 17.8 1:36 (180, 37)
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It brightened up to 13-14 mag from 2014 to 2015. Now it is fading. It has already faded down to 17.1 mag (Sept. 23, Kunihiro Shima). It will be fainter than 18 mag in October.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 23 0.02 -7 34.2 5.147 5.959 141 17.8 21:22 (180, 62)
Oct. 22 22 58.88 -7 47.5 5.269 6.004 134 17.9 20:54 (180, 63)
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First return of a new periodic comet which brightened up to 16.5 mag in 2008. The condition of this apparition is very good. It was expected to brighten up to 15.5 mag in autumn and will be observable in good condition. But actually, it is 17.3 mag (Oct. 6, Kunihiro Shima), fainter than originally expected by 2-3 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 23 28.02 -9 39.3 1.420 2.319 146 17.9 21:50 (180, 64)
Oct. 22 23 23.08 -8 16.5 1.466 2.313 139 18.0 21:18 (180, 63)
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First return of a new periodic comet discovered in 2008. Now it is 18.8 mag (Sept. 7, Alexander Baransky), fainter than this ephemeris.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 15 20 14.61 -18 42.0 2.737 3.068 99 17.9 19:42 (135, 68)
Oct. 22 20 19.69 -18 24.7 2.830 3.066 94 18.0 19:50 (122, 63)
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