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It approaches to Sun down to 0.09 a.u. on Jan. 13. Now it is 0.2 mag (Jan. 8, Marco Goiato). It brightens up to -3 mag, but it will turn to fade out rapidly after that. In the Northern Hemisphere, it will never be observable after this. In the Southern Hemisphere, it becomes unobservable temporarily. But it will be observable again in the evening sky in late January.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 17 50.84 -27 55.5 1.260 0.418 16 3.7 6:09 (303, -3)
Jan. 11 18 52.75 -19 3.8 1.011 0.159 9 -1.0 6:09 (291, -3)
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It brightened up to -3 mag due to the forward scattering on Oct. 9 in the SOHO coronagraph images (Q.-c. Zhang, Charles S. Morris). It became a great comet of 0 mag on the ground. Now it is 10.1 mag (Jan. 2, Carlos Labordena). Fading gradually. In the Northern Hemisphere, it will be unobservable soon. But it will be observable again in January. In the Southern Hemisphere, it is not observable now, but it will appear in March.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 19 44.34 6 35.0 2.797 2.024 31 10.5 18:31 ( 93, 7)
Jan. 11 19 50.39 7 13.1 2.930 2.130 29 10.8 18:37 ( 97, 2)
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It returned for the first time in 68 years. It brightened up to 6.2 mag in early summer (July 1, Virgilio Gonano). Fading gradually. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it is not observable now, but it will be observable soon.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 17 31.21 -15 52.8 3.682 2.793 21 12.6 5:38 (292, 3)
Jan. 11 17 40.63 -16 32.4 3.715 2.866 26 12.8 5:38 (295, 6)
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Now it is 12.7 mag (Jan. 4, Osamu Miyazaki). Fading slowly. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it is not observable now.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 2 8.20 62 17.3 3.238 3.801 118 12.9 19:11 (180, 63)
Jan. 11 1 52.88 60 10.4 3.343 3.818 111 13.0 18:37 (178, 65)
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It approached to Earth down to 0.55 a.u. in early December, and it brightened up to 10.7 mag (Dec. 5, Mike Olason). Now it is 12.7 mag (Dec. 26, Osamu Miyazaki). Fading rapidly. It will be fainter than 18 mag in March. In the Northern Hemisphere, it will be getting lower gradually. In the Southern Hemisphere, it will never be observable after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 21 39.73 40 49.8 1.044 1.218 73 12.9 18:31 (115, 46)
Jan. 11 21 57.52 36 2.5 1.244 1.259 67 13.7 18:37 (110, 41)
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Brightening rapidly. Now it is not observable. It will brighten up to 10 mag in spring. But the condition of this apparition is bad. It is not observable when the comet is bright.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 19 9.72 -3 0.4 2.374 1.488 19 13.9 18:31 ( 90, -5)
Jan. 11 19 32.05 -2 46.8 2.318 1.425 19 13.5 18:37 ( 92, -7)
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Major outburst occured between Nov. 1 and 2. Another outburst occured in late November. Now it is 11.5 mag (Jan. 5, Chris Wyatt). It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 10 10.48 8 51.2 5.552 6.254 132 13.7 3:17 ( 0, 64)
Jan. 11 10 8.69 8 54.1 5.474 6.255 139 13.7 2:48 ( 0, 64)
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It has not been observed yet in this apparition. It brightens up to 11.5 mag, but it will turn to fade out rapidly after that. It will be fainter than 18 mag in March. It will be unobservable soon. It will approach to Sun down to 0.5 a.u. in February and brighten up to 11.5 mag. However, it is not observable at the high light.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 17 10.86 -23 51.5 1.552 0.778 24 14.7 5:38 (301, 2)
Jan. 11 17 59.75 -23 25.9 1.503 0.679 20 13.7 5:38 (298, -2)
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It returns for the first time in 70 years. It brightened up to 3.7 mag in early April (Apr. 6, Jose Guilherme Aguiar). Now it is 14.6 mag (Oct. 22, Hidetaka Sato). Fading slowly. In the Northern Hemisphere, it is not observable now, but it will appear in February. In the Southern Hemisphere, it will be getting higher gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 16 35.42 -48 19.6 4.423 3.700 38 13.9 5:38 (324, -9)
Jan. 11 16 43.40 -48 29.6 4.442 3.773 42 14.0 5:38 (326, -7)
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It brightened up to 12.7 mag in summer (Aug. 7, Thomas Lehmann). Now it is 14.2 mag (Dec. 10, Ken-ichi Kadota). Fading slowly. In the Northern Hemisphere, it will be unobservable soon. But it will be observable again in March. In the Southern Hemisphere, it is not observable now, but it will appear in March.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 20 14.92 -11 10.3 3.316 2.429 21 13.9 18:31 ( 74, 3)
Jan. 11 20 26.54 -9 9.8 3.358 2.447 18 14.0 18:37 ( 79, 0)
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Now it is 14.1 mag (Dec. 23, ATLAS Chile). It stays 14 mag for a while. It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 6 29.41 5 13.8 4.836 5.776 161 14.1 23:32 ( 0, 60)
Jan. 11 6 26.51 5 46.9 4.837 5.760 157 14.1 23:02 ( 0, 61)
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Now it is 13.6 mag (Jan. 5, Chris Wyatt). It stays 14 mag for a while. In the Southern Hemisphere, it will be getting higher gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 15 3.37 -18 52.0 5.565 5.063 54 14.3 5:38 (320, 25)
Jan. 11 15 8.76 -18 38.8 5.480 5.073 60 14.2 5:38 (325, 28)
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Now it is 13.4 mag (Dec. 19, Ken-ichi Kadota). It will fade out rapidly after this. It will be fainter than 18 mag in May. In the Northern Hemisphere, it will be unobservable in February. In the Southern Hemisphere, it will never be observable after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 21 6.15 -14 44.8 2.583 1.814 31 14.3 18:31 ( 63, 11)
Jan. 11 21 24.09 -13 2.6 2.646 1.844 28 14.5 18:37 ( 67, 9)
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Brightened rapidly. Now it is 14.9 mag (Dec. 29, Ken-ichi Kadota). It stays 14 mag for a while. In the Northern Hemisphere, it will be unobservable in April. In the Southern Hemisphere, it is not observable now, but it will appear in May.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 19 27.67 32 2.9 2.434 2.040 55 14.6 18:31 (117, 18)
Jan. 11 19 52.97 31 10.7 2.427 2.002 53 14.4 18:37 (117, 16)
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Now it is 14.4 mag (Dec. 27, Purple Mountain Observatory, XuYi Station). It stays 15 mag for a while. It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 9 16.10 19 10.9 1.753 2.638 147 14.6 2:23 ( 0, 74)
Jan. 11 9 12.35 19 4.9 1.705 2.633 155 14.6 1:52 ( 0, 74)
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It is expected to brighten up to 13 mag in 2025 autumn, and it will be observable in good condition. Now it is 14.7 mag (Dec. 26, Ken-ichi Kadota). It stays 14 mag for a while. It will be unobservable in February in the Southern Hemisphere, or in March in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 23 6.13 -2 17.6 4.588 4.238 63 14.6 18:31 ( 49, 40)
Jan. 11 23 12.16 -1 39.0 4.654 4.212 57 14.6 18:37 ( 56, 36)
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It brightened up to 13.1 mag in autumn (Nov. 1, Thomas Lehmann). Now it is 16.1 mag (Jan. 4, Ken-ichi Kadota). Fading gradually. It will be fainter than 18 mag in April. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it is not observable now, but it will appear in February.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 17 8.95 20 0.4 2.484 2.007 50 15.3 5:38 (264, 28)
Jan. 11 17 19.51 18 48.5 2.521 2.060 51 15.5 5:38 (268, 31)
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Now it is 16.6 mag (Oct. 9, Hidetaka Sato). Brightening slowly. Now it is not observable. It will appear in March in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 19 56.83 -22 40.4 3.001 2.057 13 15.5 18:31 ( 67, -7)
Jan. 11 20 14.56 -22 11.1 3.005 2.046 10 15.4 18:37 ( 70, -9)
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Very large comet. It is expected to brighten up to 13 mag in 2031. Now it is 15.8 mag (Dec. 16, ATLAS Chile). It stays 15 mag for a while. In the Northern Hemisphere, it is not observable now. In the Southern Hemisphere, it stays observable in good condition. In the Northern Hemisphere, it is not observable until 2030.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 3 37.03 -70 15.7 15.711 15.579 80 15.4 20:39 ( 0,-15)
Jan. 11 3 34.88 -70 0.6 15.707 15.555 79 15.4 20:09 ( 0,-15)
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Bright new comet. Now it is 14.9 mag (Jan. 2, Martin Masek). It will fade out rapidly after this. It will be fainter than 18 mag in February. In the Northern Hemisphere, it is not observable now, but it will be observable soon. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 0 14.34 -65 41.3 1.034 1.082 64 15.4 18:31 ( 7,-11)
Jan. 11 1 28.86 -59 8.9 1.014 1.164 71 15.7 18:37 ( 4, -4)
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Almost stellar. Now it is 15.6 mag (Jan. 1, Ken-ichi Kadota). Fading gradually. It will be fainter than 18 mag in March. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be unobservable soon.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 3 4.12 39 38.1 1.016 1.797 128 15.5 20:07 (180, 85)
Jan. 11 2 46.30 42 48.2 1.140 1.827 118 15.8 19:22 (180, 82)
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Now it is 15.2 mag (Dec. 30, ATLAS-MLO, Mauna Loa). Fading slowly. It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 6 19.77 9 18.0 2.643 3.597 163 15.6 23:23 ( 0, 64)
Jan. 11 6 16.13 9 22.2 2.681 3.613 158 15.7 22:51 ( 0, 64)
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Now it is 15.6 mag (Dec. 16, Ken-ichi Kadota). It stays 16 mag for a while. In the Northern Hemisphere, it stays observable in good condition. It locates somewhat low in the Southern Hemisphere. But it will become high in winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 1 46.85 14 5.0 2.428 2.863 106 15.6 18:51 ( 0, 69)
Jan. 11 1 50.81 14 1.9 2.498 2.840 100 15.6 18:37 ( 6, 69)
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Now it is 15.8 mag (Jan. 6, A. Pearce, T. Lovejoy). It stays 16 mag for a while. It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 7 31.75 -22 56.6 3.380 4.120 133 15.8 0:39 ( 0, 32)
Jan. 11 7 23.31 -21 29.3 3.329 4.100 136 15.7 0:03 ( 0, 33)
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It brightened up to 9.6 mag from February to March in 2024 (Feb. 25, 2024, Thomas Lehmann). Now it is 15.6 mag (Dec. 13, Thomas Lehmann). Fading slowly. In the Northern Hemisphere, it will be getting lower gradually. But it will be getting higher again after March. In the Southern Hemisphere, it is not observable now, but it will appear in May.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 21 23.71 31 14.9 4.596 4.261 64 15.7 18:31 (104, 40)
Jan. 11 21 32.39 31 3.1 4.727 4.329 60 15.8 18:37 (106, 35)
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It brightened up to 8 mag from 2022 summer to 2023 spring. Now it is 15.5 mag (Dec. 24, Katsumi Yoshimoto). Fading slowly. In the Northern Hemisphere, it stays 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)
Jan. 4 5 42.52 21 21.4 6.716 7.659 162 15.8 22:45 ( 0, 76)
Jan. 11 5 38.48 21 35.4 6.815 7.713 154 15.8 22:14 ( 0, 77)
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Now it is 16.1 mag (Jan. 2, ATLAS-HKO, Haleakala). It stays 16 mag for a while. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be unobservable in February.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 12 24.98 38 27.3 4.118 4.554 110 15.9 5:31 (180, 87)
Jan. 11 12 26.48 40 38.4 4.022 4.536 115 15.9 5:05 (180, 85)
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Now it is 16.1 mag (Jan. 4, Ken-ichi Kadota). It stays 16 mag for a while. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 12 51.68 -31 7.5 3.592 3.554 79 16.0 5:38 (355, 24)
Jan. 11 12 58.01 -32 2.5 3.502 3.551 84 15.9 5:36 ( 0, 23)
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First return of a new periodic comet which brightened up to 15 mag in 2010. Now it is 16.3 mag (Dec. 25, F. Kugel, J. Nicolas). It stays 16 mag for a while. In the Northern Hemisphere, it stays 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)
Jan. 4 2 16.06 15 13.7 1.150 1.785 113 16.1 19:20 ( 0, 70)
Jan. 11 2 20.89 17 2.5 1.181 1.753 107 16.0 18:57 ( 0, 72)
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First return of a new periodic comet which brightened up to 16 mag in 2012. Now it is 14.8 mag (Dec. 28, D. Buczynski). It will fade out rapidly after this. It will be fainter than 18 mag in February. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will never be observable after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 2 41.18 55 28.8 1.254 1.970 122 16.1 19:45 (180, 69)
Jan. 11 2 40.59 56 3.6 1.340 1.998 117 16.4 19:17 (180, 69)
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Now it is 16.2 mag (Jan. 7, ATLAS Chile). It stays 16 mag for a while. It locates somewhat low in the Northern Hemisphere. But it will become high in autumn. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 6 54.78 -30 11.3 6.113 6.752 127 16.2 0:01 ( 0, 25)
Jan. 11 6 51.94 -29 45.4 6.095 6.741 127 16.2 23:27 ( 0, 25)
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Now it is 14.7 mag (Jan. 2, Katsumi Yoshimoto). Fading slowly. It will be fainter than 18 mag in April. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it is not observable now, but it will appear in April. It is brighter than this ephemeris recently.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 8 31.48 75 46.1 1.902 2.601 125 16.2 1:40 (180, 49)
Jan. 11 8 20.82 75 34.0 1.912 2.613 125 16.3 1:02 (180, 49)
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Now it is 17.3 mag (Jan. 5, ATLAS-HKO, Haleakala). It stays 17 mag for a while. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be getting higher gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 14 11.83 -5 37.7 2.308 2.194 71 16.3 5:38 (325, 43)
Jan. 11 14 22.15 -6 8.4 2.260 2.228 75 16.3 5:38 (331, 44)
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Now it is 15.8 mag (Jan. 5, ATLAS Chile). It stays 17 mag for a while. In the Northern Hemisphere, it will be unobservable in April. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 6 24.99 -51 14.4 6.215 6.549 105 16.3 23:26 ( 0, 4)
Jan. 11 6 15.20 -50 56.7 6.264 6.593 105 16.3 22:49 ( 0, 4)
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It was observed at 9-10 mag for a long time in 2023. Now it is 15.8 mag (Dec. 7, A. Pearce). It stays 17 mag for a while. In the Northern Hemisphere, it will never be observable after this. It locates somewhat low in the Southern Hemisphere. But it will become high in spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 21 11.32 -61 24.2 7.053 6.394 44 16.3 18:31 ( 27,-19)
Jan. 11 21 15.97 -61 2.1 7.128 6.448 43 16.4 18:37 ( 30,-22)
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Now it is 16.5 mag (June 6, Giuseppe Pappa). It stays 16 mag for a while. It stays extremely low in the Northern Hemisphere. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 13 40.13 -44 33.2 5.499 5.196 67 16.4 5:38 (348, 9)
Jan. 11 13 37.02 -45 9.4 5.388 5.194 73 16.3 5:38 (353, 9)
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It brightened up to 8.3 mag in 2021-2022 winter (Jan. 6, 2022, Toshiyuki Takahashi). Now it is 17.1 mag (Dec. 30, ATLAS South Africa). It stays 17 mag for a while. In the Northern Hemisphere, it will never be observable after this. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 12 39.18 -56 20.1 9.614 9.388 73 16.6 5:38 (359, -1)
Jan. 11 12 39.82 -56 57.5 9.583 9.432 78 16.6 5:18 ( 0, -2)
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Now it is 16.9 mag (Jan. 5, ATLAS-MLO, Mauna Loa). It stays 16 mag for a while. In the Northern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in February. But it will be observable again in March. In the Southern Hemisphere, it is not observable now, but it will appear in April.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 22 10.88 17 53.4 5.791 5.401 62 16.6 18:31 ( 82, 43)
Jan. 11 22 11.76 17 32.0 5.847 5.359 55 16.6 18:37 ( 87, 37)
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Parent asteroid of Geminids meteor shower. Now it is 16.0 mag (Nov. 30, Katsumi Yoshimoto). It will brighten rapidly after this. It will be unobservable in March.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 1 48.14 22 29.0 0.953 1.579 109 16.7 18:51 ( 0, 77)
Jan. 11 1 39.54 19 53.1 0.986 1.503 99 16.7 18:37 ( 19, 74)
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It brightened up to 14 mag from summer to autumn. Now it is 16.9 mag (Dec. 31, Purple Mountain Observatory, XuYi Station). Fading gradually. It will be fainter than 18 mag in February. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be getting lower gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 1 55.70 9 11.8 2.300 2.747 106 16.7 19:00 ( 0, 64)
Jan. 11 1 59.86 9 51.7 2.426 2.781 100 16.9 18:37 ( 0, 65)
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Now it is 16.7 mag (Dec. 20, ATLAS Chile). Fading slowly. It will be fainter than 18 mag in March. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 8 8.83 -43 31.7 3.557 4.027 111 16.8 1:16 ( 0, 11)
Jan. 11 7 52.34 -43 14.3 3.566 4.076 114 16.9 0:32 ( 0, 12)
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It will brighten up to 14 mag in spring. Now it is 16.0 mag (Jan. 6, ATLAS Chile). Brightening gradually. In the Southern Hemisphere, it will be getting lower gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 0 20.43 -18 43.3 1.759 1.769 74 17.1 18:31 ( 19, 34)
Jan. 11 0 31.86 -16 38.5 1.779 1.728 70 16.8 18:37 ( 26, 35)
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Now it is 16.6 mag (Jan. 4, ATLAS Chile). It will fade out rapidly after this. It will be fainter than 18 mag in February. In the Northern Hemisphere, it stays 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)
Jan. 4 1 24.38 8 14.6 1.026 1.529 99 16.9 18:31 ( 1, 63)
Jan. 11 1 45.50 8 56.0 1.098 1.561 97 17.0 18:37 ( 8, 64)
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Now it is 16.7 mag (Jan. 7, E. Cortes). Brightening slowly. It locates somewhat low in the Northern Hemisphere. But it will become high in spring. In the Southern Hemisphere, it will be getting higher gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 15 19.16 -30 11.5 4.049 3.487 49 17.0 5:38 (324, 14)
Jan. 11 15 18.09 -30 26.1 3.923 3.476 56 16.9 5:38 (329, 17)
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Very far object. Now it is 16.9 mag (Dec. 20, ATLAS Chile). It stays 17 mag for a while. In the Northern Hemisphere, it is not observable now. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 0 45.83 -62 57.8 10.872 10.549 68 16.9 18:31 ( 5, -8)
Jan. 11 0 45.13 -62 7.5 10.924 10.557 65 16.9 18:37 ( 9, -8)
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It stays 17 mag for a while. It locates somewhat low in the Northern Hemisphere. But it will become high in spring. In the Southern Hemisphere, it will be getting higher gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 16 25.21 -17 19.8 2.764 2.057 36 17.0 5:38 (303, 14)
Jan. 11 16 42.13 -17 35.9 2.716 2.054 39 16.9 5:38 (305, 16)
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Now it is 17.1 mag (Dec. 26, A. Pearce). It stays 17 mag for a while. In the Northern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in May. In the Southern Hemisphere, it will be getting lower gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 2 40.07 8 39.5 3.359 3.900 116 16.9 19:44 ( 0, 64)
Jan. 11 2 41.22 8 39.7 3.457 3.901 109 17.0 19:17 ( 0, 64)
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It brightened up to 12.1 mag in 2023 spring (May 20, 2023, Jose Guilherme de S. Aguiar). Now it is 16.6 mag (Dec. 21, ATLAS Chile). It stays 18 mag for a while. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 6 0.65 -39 29.8 5.755 6.253 116 17.0 23:03 ( 0, 16)
Jan. 11 5 54.99 -38 38.7 5.814 6.301 115 17.0 22:30 ( 0, 16)
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It brightened up to 13.5 mag in last winter (Dec. 5, 2023, Chris Wyatt). Now it is 17.8 mag (Dec. 28, ATLAS-HKO, Haleakala). It stays 18 mag for a while. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be getting higher gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 14 6.28 -6 5.6 3.109 2.959 72 17.1 5:38 (327, 43)
Jan. 11 14 12.47 -6 37.0 3.050 2.996 77 17.1 5:38 (334, 45)
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Now it is 17.2 mag (Jan. 3, ATLAS-MLO, Mauna Loa). It stays 18 mag for a while. In the Northern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in May. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 3 46.80 -16 9.7 3.401 3.972 119 17.2 20:50 ( 0, 39)
Jan. 11 3 45.94 -15 38.4 3.474 3.973 113 17.2 20:22 ( 0, 39)
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Now it is 16.8 mag (Dec. 28, Roberto Haver). It will fade out rapidly after this. It will be fainter than 18 mag in February. It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 7 12.44 19 14.8 0.988 1.970 175 17.3 0:20 ( 0, 74)
Jan. 11 7 7.22 17 51.8 0.996 1.976 173 17.3 23:42 ( 0, 73)
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It brightened up to 12.0 mag in June (June 13, Ken-ichi Kadota). Now it is 17.8 mag (Jan. 1, D29 Purple Mountain Observatory, XuYi Station). Fading gradually. It will be fainter than 18 mag in February. In the Northern Hemisphere, it stays 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)
Jan. 4 9 31.12 33 2.3 1.759 2.626 145 17.3 2:38 ( 0, 88)
Jan. 11 9 23.57 33 15.6 1.766 2.677 152 17.4 2:03 ( 0, 88)
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First return of a new periodic comet which brightened up to 15 mag in 2010. Now it is 17.2 mag (Dec. 27, Michael Jager). Fading gradually. It will be fainter than 18 mag in February. In the Northern Hemisphere, it stays 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)
Jan. 4 9 40.52 31 10.4 1.610 2.469 143 17.4 2:47 ( 0, 86)
Jan. 11 9 35.29 31 37.0 1.612 2.514 150 17.5 2:15 ( 0, 86)
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Peculiar asteroid moving along a cometary orbit. Now it is 18.5 mag (Sept. 11, ATLAS-HKO, Haleakala). It stays 17 mag for a while. It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 3 20.25 -15 36.3 1.933 2.502 114 17.5 20:24 ( 0, 40)
Jan. 11 3 19.98 -15 10.7 1.958 2.455 108 17.5 19:56 ( 0, 40)
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Now it is 17.3 mag (Jan. 8, ATLAS-HKO, Haleakala). It stays 18 mag for a while. In the Northern Hemisphere, it stays observable in good condition. It stays extremely low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 7 30.05 41 54.3 6.169 7.100 159 17.5 0:37 (180, 83)
Jan. 11 7 27.00 41 57.3 6.184 7.115 159 17.5 0:07 (180, 83)
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Now it is 17.4 mag (Jan. 4, B. Lutkenhoner, E. Cortes). It stays 17 mag for a while. It stays extremely low in the Northern Hemisphere. But it will become high in autumn. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 13 0.46 -48 18.9 5.686 5.478 72 17.7 5:38 (355, 6)
Jan. 11 12 58.84 -48 28.5 5.575 5.467 78 17.6 5:37 ( 0, 6)
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Now it is 16.7 mag (Dec. 28, Toshiyuki Takahashi). It stays 18 mag for a while. It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 6 40.37 -8 22.2 3.677 4.545 148 17.6 23:43 ( 0, 47)
Jan. 11 6 36.15 -8 39.8 3.683 4.538 146 17.6 23:11 ( 0, 46)
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Now it is 18.0 mag (Aug. 18, Taras Prystavski). It stays 18 mag for a while. In the Northern Hemisphere, it stays 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)
Jan. 4 7 18.74 37 26.5 7.863 8.815 164 17.7 0:26 (180, 88)
Jan. 11 7 12.85 37 15.5 7.870 8.821 164 17.7 23:48 (180, 88)
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It brightened up to 11 mag in 2022 spring. Now it is 18.0 mag (Nov. 12, D. Buczynski). It stays 18 mag for a while. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it will never be observable after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 18 16.80 24 17.4 8.989 8.364 48 17.8 5:38 (252, 17)
Jan. 11 18 21.24 24 31.1 9.015 8.406 49 17.9 5:38 (254, 21)
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Now it is 18.2 mag (Jan. 8, A. Diepvens). Fading slowly. It will be fainter than 18 mag soon. In the Northern Hemisphere, it stays 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)
Jan. 4 10 8.76 32 52.0 1.956 2.759 137 17.9 3:15 ( 0, 88)
Jan. 11 10 3.68 33 13.8 1.939 2.796 144 17.9 2:43 ( 0, 88)
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It is expected to brighten up to 5 mag in 2026 January. Now it is 17.6 mag (Jan. 4, ATLAS-HKO, Haleakala). Brightening gradually. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it is not observable now, but it will appear in March.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 4 17 22.80 40 34.9 5.587 5.283 67 18.0 5:38 (241, 34)
Jan. 11 17 29.76 40 41.8 5.494 5.213 68 17.9 5:38 (242, 38)
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