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Now it is bright as 10.8 mag (Aug. 9, Maik Meyer). It is expected to brighten up to 8 mag in autumn. In the Northern Hemisphere, it stays observable for a long time while the comet is brightening. In the Southern Hemisphere, it it not observable until mid September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 4 17.41 58 26.6 1.537 1.504 68 10.4 5:20 (194, -6)
Aug. 17 4 5.62 57 53.5 1.364 1.482 75 10.1 5:13 (190, -4)
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Now it is 12.0 mag (Aug. 9, Maik Meyer). It will brighten up to 10.5 mag and it will be observable in good condition from autumn to winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 2 43.08 17 30.7 3.036 3.252 93 11.5 5:20 (183, 37)
Aug. 17 2 41.62 19 20.2 2.908 3.234 99 11.4 5:03 (180, 36)
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It has not been observed yet in this apparition. Now it is fainter than 21.5 mag (Aug. 4, Erwin Schwab). It was expected to brighten up to 12 mag from August to September. But actually, it must be much fainter than expected. It is observable in good condition in the Northern Hemisphere. In the Southern Hemisphere, it will be getting lower after this, and it will be unobservable in September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 3 43.72 27 56.4 1.164 1.360 76 12.3 5:20 (197, 25)
Aug. 17 4 5.66 31 27.9 1.145 1.366 78 12.1 5:13 (197, 21)
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Now it is 13.1 mag (Aug. 7, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 11.5 mag in autumn. In the Northern Hemisphere, it will be observable in excellent condition. In the Southern Hemisphere, it will be extremely low from autumn to winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 1 38.90 8 2.0 0.747 1.459 110 12.8 4:27 (180, 47)
Aug. 17 1 52.36 12 0.4 0.703 1.442 113 12.5 4:13 (180, 43)
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Now it is 13.6 mag (Aug. 6, Hirohisa Sato). It is expected to brighten up to 7 mag in 2020. It is a bit fainter than this ephemeris recently.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 5 2.18 20 0.9 4.041 3.650 60 12.7 5:20 (219, 24)
Aug. 17 5 8.06 20 49.3 3.879 3.583 65 12.5 5:13 (215, 26)
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It brightened rapidly. Now it is very bright as 12.7 mag (Aug. 5, Hidetaka Sato). It stays at 12.5 mag until September. In the Southern Hemisphere, it stays observable in the low sky until it becomes fainter than 18 mag in winter. It is not observable at all in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 8 1.51 -22 15.5 2.019 1.441 42 12.7 5:20 (285, 19)
Aug. 17 8 20.28 -27 19.2 1.973 1.458 45 12.8 5:13 (289, 22)
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Now it is bright as 12.6 mag (Aug. 9, Charles Morris). Richard Miles reported that it brightened by 2 mag in outburst on Aug. 2.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 1 0.93 16 3.8 5.251 5.771 116 13.3 3:50 (180, 39)
Aug. 17 1 0.16 16 12.7 5.158 5.772 122 13.3 3:21 (180, 39)
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Appearing in the morning sky. It is observable at 14 mag in good condition in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 7 7.68 18 25.4 3.074 2.266 31 13.5 5:20 (243, 6)
Aug. 17 7 21.77 17 50.2 3.056 2.292 34 13.6 5:13 (242, 7)
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It brightened rapidly up to 10 mag in June. Now it is not observable. It will appear in the morning sky in October. But it will be fainter than 18 mag at that time.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 9 34.64 23 27.1 2.595 1.600 8 13.7 18:50 (106,-19)
Aug. 17 9 45.64 20 7.7 2.663 1.661 6 14.2 18:54 (100,-21)
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Now it is 13.8 mag (Aug. 8, Chris Wyatt). It stays 13-14 mag for a long time in 2019. In the Southern Hemisphere, it is observable in excellent condition. In the Northern Hemisphere, it is not observasble until summer in 2020.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 8 28.40 -60 51.3 3.084 3.027 77 13.9 5:20 (326, 31)
Aug. 17 8 37.88 -62 52.5 3.084 3.033 77 13.9 5:13 (327, 32)
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Now it is 13.8 mag (Aug. 3, Chris Wyatt). It will 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)
Aug. 10 17 15.74 -6 37.8 1.304 2.015 120 14.1 20:02 (180, 62)
Aug. 17 17 19.45 -7 36.6 1.332 1.984 115 14.0 19:38 (180, 63)
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It brightened up to 7.7 mag in June in 2018 (June 19, Juan Jose Gonzalez). Now it is fading. It has already faded down to 14.8 mag (Aug. 8, Chris Wyatt). In the Southern Hemisphere, it stays observable for a long time until the comet will fade out. In the Northern Hemisphere, it is not observable for a long time until autumn when the comet fades out down to 16 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 6 47.73 -28 39.4 4.922 4.457 57 14.2 5:20 (282, 36)
Aug. 17 6 51.84 -28 50.4 4.945 4.514 59 14.2 5:13 (281, 40)
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Now it is 14.3 mag (July 23, Chris Wyatt). It will be fading slowly after this. It is observable in excellent condition in the Southern Hemisphere. It will never be observable after this in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 13 34.51 -42 31.5 3.765 3.776 82 14.6 18:50 ( 64, 60)
Aug. 17 13 33.84 -42 42.3 3.905 3.809 77 14.8 18:54 ( 63, 54)
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Now it is 14.4 mag (Aug. 8, Chris Wyatt). In the Southern Hemisphere, it is observable for a long time. It stays low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 0 11.59 -46 4.0 3.491 4.246 132 14.7 3:01 ( 0, 79)
Aug. 17 0 4.71 -46 5.5 3.481 4.269 136 14.7 2:26 ( 0, 79)
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Peculiar asteroid moving along a cometary orbit. Now it is 15.9 mag (Aug. 11, Katsumi Yoshimoto). It will approach to Earth down to 0.37 a.u. in mid August. Then it will brighten up to 15 mag and will be observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 0 24.84 -14 56.9 0.497 1.409 134 16.0 3:16 (180, 69)
Aug. 17 22 21.73 -26 53.7 0.378 1.380 164 14.8 0:51 (180, 81)
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It brightened rapidly up to 11.2 mag from May to June (May 28, Chris Wyatt). Now it is fading. But it is still bright as 13.9 mag (July 23, Chris Wyatt). In the Southern Hemisphere, it stays observable in the evening sky for a long time after this while the comet will be fading. It is not observable at all in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 11 18.50 -38 19.5 2.107 1.845 61 15.6 18:50 ( 64, 34)
Aug. 17 11 45.47 -37 23.1 2.229 1.908 58 16.2 18:54 ( 65, 33)
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Asteroid, but it brightened rapidly. Now it is 16.3 mag (May 24, ATLAS-MLO, Mauna Loa). It is observable in excellent condition in the Southern Hemisphere. In the Northern Hemisphere, it locates extremely low for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 21 1.13 -43 9.5 5.505 6.421 152 15.9 23:46 ( 0, 82)
Aug. 17 20 51.02 -43 11.7 5.535 6.420 148 15.9 23:08 ( 0, 82)
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Now it is 16.6 mag (May 10, Mount John Observatory, Lake Tekapo). It stays 16 mag for a long time from 2019 to 2020. It is 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)
Aug. 10 11 2.81 -54 6.1 3.759 3.603 73 15.9 18:50 ( 44, 36)
Aug. 17 11 7.10 -54 42.6 3.791 3.585 70 15.9 18:54 ( 42, 32)
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Now it is 16.2 mag (Aug. 9, Charles Morris). It is observable at 16 mag in good condition from summer to autumn. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 2 58.97 24 5.1 1.830 2.055 87 16.0 5:20 (187, 31)
Aug. 17 3 9.36 25 3.1 1.771 2.066 91 15.9 5:13 (184, 30)
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Now it is 15.6 mag (Aug. 3, Chris Wyatt). It stays observable in good condition while the comet will be fading slowly after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 2 47.51 10 30.9 1.786 2.117 94 16.0 5:20 (185, 44)
Aug. 17 2 58.01 10 6.5 1.743 2.141 98 16.0 5:13 (182, 45)
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Now it is 16.6 mag (July 1, D. T. Durig). It stays 15-16 mag for a long time until 2021.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 21 12.35 -34 32.1 4.160 5.130 161 16.2 0:02 (180, 89)
Aug. 17 21 2.34 -34 7.3 4.153 5.103 157 16.2 23:19 (180, 89)
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It approached to Earth down to 0.3 a.u. in mid February, and brightened up to 5.5 mag (Feb. 13, Juan Jose Gonzalez). Now it is fading. It has already faded down to 16.6 mag (Aug. 2, Ken-ichi Kadota).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 4 38.97 40 0.5 3.102 2.816 64 16.2 5:20 (204, 9)
Aug. 17 4 34.29 40 40.9 3.046 2.890 71 16.3 5:13 (199, 11)
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Now it is 16.1 mag (June 5, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 14 mag in winter. It stays observable for a long time in the Southern Hemisphere. In the Northern Hemisphere, it is not observable for a long time until August in 2020.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 15 1.72 -36 26.1 2.678 2.965 96 16.4 18:50 ( 78, 77)
Aug. 17 14 57.43 -37 8.3 2.740 2.909 89 16.3 18:54 ( 76, 70)
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It has not been observed yet in this apparition. It will brighten up to 15.5 mag and it will be observable in good condition in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 0 5.86 -5 20.1 1.862 2.696 137 16.5 2:55 (180, 60)
Aug. 17 0 6.16 -5 40.8 1.782 2.668 144 16.4 2:27 (180, 61)
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Now it is 14.2 mag (May 7, Thomas Lehmann). It will be fading after this. In the Southern Hemisphere, it stays observable for a long time until it fades out. In the Northern Hemisphere, it will not be observable after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 6 36.64 -29 42.3 5.095 4.667 59 16.4 5:20 (282, 39)
Aug. 17 6 39.47 -31 7.2 5.093 4.718 62 16.5 5:13 (282, 43)
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Now it is 16.8 mag (Aug. 2, Ken Ogawa). It is observable in excellent condition in the Northern Hemisphere. It locates extremely low in the Southern Hemisphere. It will be fading after this, and it will be fainter than 18 mag in late September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 1 7.31 46 49.3 1.554 1.983 98 16.4 3:56 (180, 8)
Aug. 17 1 10.82 46 55.6 1.544 2.038 103 16.6 3:32 (180, 8)
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It passed the perihelion on July 2. Then it must have brightened up to 13 mag, but it was not observable around that time. In the Northern Hemisphere, it stays observable in excellent condition until December when it becomes fainter than 18 mag. In the Southern Hemisphere, it stays locating low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 5 10.35 44 0.4 0.997 0.988 58 16.5 5:20 (207, 3)
Aug. 17 5 4.79 45 45.1 1.006 1.101 66 16.6 5:13 (203, 4)
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First return of a new periodic comet which brightened up to 16.5 mag in 2009. It has not been recovered yet in this apparition. It will brighten up to 16 mag in autumn. It is observable in good condition in the Northern Hemisphere. It locates low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 4 58.48 28 18.9 1.497 1.333 60 16.7 5:20 (213, 18)
Aug. 17 5 29.01 28 15.8 1.464 1.308 60 16.6 5:13 (215, 17)
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Now it is 16.0 mag (Aug. 9, Charles Morris). It is expected to be observable at 5-6 mag for a long time from 2022 to 2023. In the Northern Hemisphere, it is not observable at the highlight from 2022 summer to 2023 summer. In the Southern Hemisphere, it stays unobservable for a while. But it will be observable in good condition at the highlight.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 17 12.12 55 54.2 11.020 11.101 91 16.7 19:57 (180, -1)
Aug. 17 17 10.06 55 16.7 10.998 11.054 90 16.6 19:28 (180, 0)
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Now it is 15.1 mag (Aug. 9, y). Small outburst occurred in early August. It is observable in good condition in the Northern Hemisphere. In the Southern Hemisphere, it stays extremely low for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 14 45.26 30 27.2 5.338 5.176 75 16.7 18:50 (162, 22)
Aug. 17 14 47.82 29 3.1 5.463 5.228 71 16.8 18:54 (155, 21)
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Now it is 17.2 mag (May 26, iTelescope Observatory, Siding Spring). It will be fading slowly after this. It is observable in excellent condition in the Southern Hemisphere. It locates low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 14 41.19 -39 5.7 3.440 3.639 93 16.8 18:50 ( 70, 73)
Aug. 17 14 35.48 -38 44.6 3.567 3.635 85 16.9 18:54 ( 72, 66)
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Now it is 16.8 mag (Aug. 2, Charles Morris). It will be fading after this. In the Northern Hemisphere, it stays observable in good condition for a long time. In the Southern Hemisphere, it stays extremely low for a long time.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 4 20.04 49 18.0 4.079 3.815 67 16.9 5:20 (197, 2)
Aug. 17 4 16.35 49 30.9 3.995 3.848 74 16.9 5:13 (194, 3)
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Now it is 16.7 mag (Aug. 7, Toshihiko Ikemura, Hirohisa Sato). It is observable at 17 mag in good condition from August to September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 1 19.65 32 36.8 1.874 2.343 104 17.1 4:09 (180, 22)
Aug. 17 1 10.86 29 44.4 1.768 2.366 113 17.0 3:32 (180, 25)
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It has not been observed yet in this apparition. It will brighten up to 16 mag in autumn. It is observable in good 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)
Aug. 10 18 25.35 -40 23.8 1.219 2.068 135 17.5 21:11 ( 0, 85)
Aug. 17 18 24.16 -38 54.8 1.238 2.038 129 17.4 20:43 ( 0, 86)
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It has not been observed yet in this apparition. It was expected to be observable at 17.5 mag from June to August. But actually, it was fainter than 21.5 mag in March (Mar. 10, Erwin Schwab).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 18 30.76 -18 60.0 1.207 2.090 140 17.6 21:17 (180, 74)
Aug. 17 18 32.05 -20 10.4 1.255 2.089 133 17.7 20:51 (180, 75)
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Now it is 16.9 mag (July 4, Alexander Baransky). It is observable at 17 mag in good condition in 2019. It locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 15 17.07 -16 47.5 3.771 3.980 94 17.7 18:50 (147, 69)
Aug. 17 15 20.48 -17 9.2 3.883 3.989 88 17.8 18:54 (132, 66)
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It will brighten up to 17.5 mag, and it will be observable in good condition in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 1 33.29 20 7.0 2.847 3.298 107 17.8 4:22 (180, 35)
Aug. 17 1 35.46 20 23.2 2.760 3.299 113 17.8 3:56 (180, 35)
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Now it is 16.9 mag (May 29, Toshihiko Ikemura, Hirohisa Sato). It brightened up to 17 mag in July, but it will be fainter than 18 mag soon. It is observable in good condition in the Southern Hemisphere. It locates low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 14 12.07 -34 14.4 0.818 1.258 85 17.8 18:50 ( 83, 68)
Aug. 17 14 45.61 -38 24.7 0.887 1.316 87 18.0 18:54 ( 72, 68)
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It will brighten up to 16.5 mag in winter, and it will be observable in good condition. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 3 59.49 23 11.8 3.515 3.385 74 17.9 5:20 (203, 28)
Aug. 17 4 6.46 23 33.4 3.409 3.374 79 17.8 5:13 (199, 29)
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Now it is fading. In 2019, it is observable at 17.5 mag in good condition in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 2 52.43 11 3.4 3.861 4.040 92 17.9 5:20 (187, 44)
Aug. 17 2 54.64 11 11.6 3.771 4.055 98 17.8 5:13 (181, 44)
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In the Southern Hemisphere, it is observable at 18 mag in good condition from July to August. It locates low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 20 10.56 -33 35.8 2.671 3.624 156 17.9 22:56 (180, 89)
Aug. 17 20 6.34 -33 42.2 2.708 3.622 150 17.9 22:24 (180, 89)
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Now it is 17.3 mag (May 26, iTelescope Observatory, Siding Spring). In the Southern Hemisphere, it is observable at 17.5 mag in good condition from spring to summer. In the Northern Hemisphere, it is not observable at all.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 16 15.12 -50 40.7 3.928 4.398 111 17.9 19:02 ( 0, 74)
Aug. 17 16 17.72 -49 52.8 4.013 4.400 105 18.0 18:54 ( 11, 75)
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First return of a new periodic comet which brightened up to 17 mag in 2006. It has not been recovered yet in this apparition. It will brighten up to 18 mag in autumn. It is observable in good condition in the Southern Hemisphere. It locates extremely low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 16 24.60 -38 16.1 2.053 2.618 112 17.9 19:11 ( 0, 87)
Aug. 17 16 29.91 -37 49.9 2.108 2.597 107 17.9 18:54 ( 20, 87)
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Now it is 17.5 mag (Aug. 7, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 12 mag in winter in 2022.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Aug. 10 22 38.17 47 2.6 7.606 8.080 114 18.0 1:27 (180, 8)
Aug. 17 22 34.75 47 19.9 7.511 8.036 117 17.9 0:56 (180, 8)
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It was bright as 16.3 mag in May (May 23, Ken-ichi Kadota). However, it is getting diffused and fading very rapidly in July. The nucleus may be disintegrated. It is 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)
Aug. 10 13 50.17 48 30.5 1.940 1.749 63 19.9 18:50 (158, 2)
Aug. 17 13 51.82 42 14.2 2.033 1.766 60 20.5 18:54 (151, 5)
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