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Now it is 10.2 mag (June 16, Chris Wyatt). It will turn to fade out rapidly after brightening. It will be unobservable in October. But it will be observable again in July in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 0 25.83 -22 37.3 1.115 1.574 95 9.7 3:00 (313, 16)
July 1 0 8.04 -28 30.9 0.903 1.544 106 9.2 3:03 (325, 17)
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It brightened very rapidly. Now it is 10.0 mag (June 23, Katsumi Yoshimoto). It will fade out rapidly after this. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it is not observable now, but it will appear in August.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 13 38.81 77 24.4 0.683 1.033 71 9.5 21:04 (173, 46)
July 1 14 39.52 79 33.1 0.646 1.027 72 9.3 21:04 (176, 45)
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Now it is 10.2 mag (June 19, Hiroshi Abe). It stays 10 mag for a while. It will be getting higher gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 3 7.05 16 35.9 2.927 2.291 42 9.9 3:00 (256, 9)
July 1 3 9.54 14 59.3 2.837 2.311 49 9.9 3:03 (261, 14)
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It brightened up to 8 mag from 2022 summer to 2023 spring. Now it is 10.8 mag (June 10, Chris Wyatt). Fading slowly. In the Northern Hemisphere, it is not observable now, but it will appear in August. It locates somewhat low in the Southern Hemisphere. But it will become high in summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 5 52.51 -12 28.1 3.654 2.895 36 11.1 3:00 (255,-41)
July 1 5 59.91 -11 34.5 3.720 2.957 35 11.2 3:03 (258,-36)
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It is expected to brighten up to 11 mag in July. Now it is 14.6 mag (June 14, Masayuki Suzuki). It will fade out rapidly after this. It stays extremely low. But it will become high in autumn in the Northern Hemisphere. Recently it is much fainter than this ephemeris.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 3 15.80 21 56.5 1.505 0.972 39 12.1 3:00 (251, 11)
July 1 3 52.67 22 30.6 1.515 0.947 37 11.8 3:03 (249, 10)
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It brightened up to 9.5 mag from winter to early spring (Jan. 30, Katsumi Yoshimoto). Now it is 12.0 mag (June 20, Osamu Miyazaki). It will fade out rapidly after this. In the Northern Hemisphere, it stays observable in good condition. It locates somewhat low in the Southern Hemisphere. But it will become high in summer.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 0 59.93 34 31.7 2.562 2.356 66 12.1 3:00 (253, 43)
July 1 0 58.81 33 41.7 2.502 2.413 73 12.3 3:03 (256, 49)
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Now it is 12.3 mag (June 13, Juan Jose Gonzalez). It stays 13 mag for a while. It will be unobservable in July in the Northern Hemisphere, or in August in the Southern Hemisphere. But it will be observable again in September in the Southern Hemisphere, or in October in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 10 20.68 -6 48.7 3.956 3.707 68 12.3 21:04 ( 74, 10)
July 1 10 20.35 -7 30.0 4.079 3.720 62 12.4 21:04 ( 78, 4)
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It brightened very rapidly as expected. Now it is 11.8 mag (June 17, Osamu Miyazaki). It will fade out rapidly after this. It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 19 57.74 -2 48.9 1.086 2.013 146 12.3 1:52 ( 0, 52)
July 1 19 54.24 -1 36.8 1.070 2.023 151 12.4 1:21 ( 0, 53)
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Now it is 12.8 mag (June 19, Chris Wyatt). Fading slowly. In the Northern Hemisphere, it is not observable now. In the Southern Hemisphere, it stays observable in good condition. It was expected to brighten up to 10 mag from spring to summer. However, it is fainter than originally expected.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 20 44.60 -85 1.8 2.506 3.106 117 12.4 2:45 ( 0,-30)
July 1 18 53.68 -87 59.4 2.546 3.117 115 12.5 0:46 ( 0,-33)
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It is expected to brighten up to 7 mag in early 2024. Now it is 14.1 mag (June 19, Chris Wyatt). Brightening gradually. In the Northern Hemisphere, it is not observable now. 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)
June 24 6 49.86 -23 26.7 3.965 3.370 47 13.3 21:04 ( 89,-42)
July 1 7 0.54 -23 28.3 3.906 3.297 46 13.1 21:04 ( 91,-45)
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It brightened up to 8.3 mag in 2021-2022 winter (Jan. 6, 2022, Toshiyuki Takahashi). Now it is 12.9 mag (June 19, Chris Wyatt). Fading slowly. In the Northern Hemisphere, it is not observable now. In the Southern Hemisphere, it will be getting lower gradually. But it will be getting higher again after September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 9 29.76 -30 0.9 6.038 5.805 72 13.6 21:04 ( 63,-14)
July 1 9 34.73 -30 6.3 6.151 5.849 68 13.7 21:04 ( 65,-18)
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Now it is 13.6 mag (June 17, Toshiyuki Takahashi). It will fade out rapidly after this. It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 17 8.26 -18 27.8 1.372 2.368 165 13.6 22:59 ( 0, 36)
July 1 17 3.23 -18 35.8 1.439 2.410 157 13.8 22:26 ( 0, 36)
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It approached to Earth down to 0.29 a.u. in early February, and it brightened up to 4.5 mag (Feb. 1, Juan Jose Gonzalez). Now it is 13.1 mag (June 10, Chris Wyatt). Fading slowly. In the Northern Hemisphere, it is not observable now, but it will appear in September. In the Southern Hemisphere, it will be getting higher gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 5 59.41 -19 32.4 3.260 2.611 43 13.7 3:00 (262,-46)
July 1 6 4.96 -20 56.0 3.315 2.691 44 13.9 3:03 (268,-42)
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It brightened up to 11.1 mag in early 2022 (Mar. 31, 2022, F. Kugel, J.-G. Bosch, J. Nicolas). Now it is 12.5 mag (June 20, Osamu Miyazaki). Fading slowly. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in October.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 15 13.63 21 51.3 4.703 5.256 117 13.8 21:05 ( 0, 77)
July 1 15 12.55 21 47.9 4.810 5.288 112 13.8 21:04 ( 27, 75)
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Now it is 14.3 mag (June 17, Ken-ichi Kadota). It stays 14 mag for a while. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 1 40.32 3 15.8 1.821 1.715 67 14.0 3:00 (280, 19)
July 1 1 49.83 6 54.1 1.753 1.711 70 13.9 3:03 (280, 26)
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The brightness evolution is slower than originally predicted. Now it is 13.7 mag (June 17, Thomas Lehmann). Fading slowly. In the Northern Hemisphere, it is not observable now. 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)
June 24 6 56.36 -36 9.1 2.440 2.135 60 14.1 21:04 ( 71,-45)
July 1 7 18.80 -37 55.3 2.447 2.162 61 14.1 21:04 ( 69,-46)
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Now it is 16.9 mag (June 3, Jean-Francois Soulier). It stays 14 mag for a while. Now it is not observable. It will appear in August.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 7 16.32 25 26.8 7.084 6.111 15 14.1 21:04 (127, -7)
July 1 7 22.06 25 12.0 7.110 6.113 10 14.2 21:04 (131,-10)
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Now it is 14.1 mag (June 17, Thomas Lehmann). Fading 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 August.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 1 9.71 65 12.9 1.539 1.398 62 14.4 3:00 (210, 43)
July 1 0 45.29 65 43.2 1.415 1.403 68 14.2 3:03 (207, 49)
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Now it is 14.6 mag (June 17, Taras Prystavski). It stays 14 mag for a while. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 2 42.76 4 59.9 3.756 3.244 52 14.5 3:00 (269, 8)
July 1 2 41.52 5 31.1 3.648 3.250 59 14.4 3:03 (273, 14)
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It is expected to brighten up to 7.5 mag in October, and it will be observable in excellent condition. Now it is 17.0 mag (June 19, Hiroshi Abe). Brightening rapidly. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be getting lower gradually. But it will be getting higher again after September. It is much fainter than this ephemeris recently. However, Thomas Lehmann reported it is bright as 14.7 mag on June 17. In the Southern Hemisphere, it becomes low temporarily around the high light.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 22 44.43 13 21.0 1.231 1.766 103 14.9 3:00 (308, 59)
July 1 22 57.28 15 55.1 1.123 1.704 105 14.4 3:03 (312, 64)
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Now it is 14.4 mag (June 17, Thomas Lehmann). Fading gradually. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 0 59.95 -3 53.8 2.028 2.102 79 14.5 3:00 (293, 23)
July 1 1 8.32 -3 18.3 1.987 2.139 84 14.6 3:03 (296, 27)
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Now it is 14.7 mag (June 13, Jean-Claude Merlin). Fading slowly. 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)
June 24 18 17.06 -24 0.1 1.912 2.928 177 14.6 0:12 ( 0, 31)
July 1 18 11.87 -25 7.1 1.910 2.923 173 14.5 23:35 ( 0, 30)
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Now it is 14.9 mag (June 16, Toshihiko Ikemura, Hirohisa Sato). It stays 15 mag for a while. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in October. It is expected to brighten up to 12.5 mag in 2024 spring. At the high light, it will be observable in excellent condition in the Southern Hemisphere, but it will be low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 16 34.74 21 17.5 3.052 3.784 129 14.8 22:24 ( 0, 76)
July 1 16 21.03 20 12.0 3.056 3.737 125 14.7 21:43 ( 0, 75)
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Now it is 14.8 mag (June 19, Chris Wyatt). Fading gradually. In the Northern Hemisphere, it will be unobservable in August. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 13 24.23 -32 58.2 1.763 2.410 117 14.8 21:04 ( 24, 17)
July 1 13 27.63 -33 15.2 1.843 2.421 112 14.9 21:04 ( 28, 15)
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Now it is 14.9 mag (June 6, ATLAS Chile). Brightening slowly. In the Northern Hemisphere, it is not observable now, but it will appear in September. In the Southern Hemisphere, it will be unobservable in August. But it will be observable again in September. It is expected to brighten up to 12 mag from 2024 to 2025.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 8 59.56 0 47.8 5.972 5.334 47 15.2 21:04 ( 93, -2)
July 1 9 1.63 1 16.4 6.015 5.293 41 15.1 21:04 ( 97, -7)
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It will brighten up to 14 mag from 2024 to 2025. Now it is 15.5 mag (June 21, ATLAS South Africa). It stays 15 mag for a while. In the Northern Hemisphere, it is not observable now. In the Southern Hemisphere, it will be getting lower gradually. But it will be getting higher again after September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 9 21.16 -27 35.3 6.297 6.008 69 15.3 21:04 ( 66,-14)
July 1 9 26.94 -27 17.6 6.339 5.980 64 15.3 21:04 ( 69,-18)
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Now it is 16.1 mag (June 21, ATLAS South Africa). It stays 15 mag for a while. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 0 35.00 -5 21.7 3.384 3.466 86 15.4 3:00 (298, 27)
July 1 0 39.27 -5 6.4 3.301 3.481 91 15.3 3:03 (303, 31)
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It approached to Earth down to 0.12 a.u. in April, and brightened up to 11.5 mag (Apr. 8, Osamu Miyazaki). Now it is 14.6 mag (June 15, ATLAS Chile). Fading rapidly. It will be fainter than 18 mag in July. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 1 59.93 -3 24.1 0.854 1.030 66 15.5 3:00 (282, 12)
July 1 2 10.72 -2 23.3 0.895 1.097 69 16.3 3:03 (285, 16)
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Now it is 16.5 mag (June 16, ATLAS-HKO, Haleakala). It stays 16 mag for a while. It will be unobservable in August in the Southern Hemisphere, or in September in the Northern Hemisphere. But it will be observable again in October in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 10 34.97 24 5.5 3.989 3.596 60 15.7 21:04 (100, 30)
July 1 10 43.58 23 17.7 4.087 3.619 56 15.8 21:04 (101, 26)
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It brightened up to 13.4 mag in last summer (July 7, 2022, Giuseppe Pappa). Now it is 15.7 mag (June 17, Toshihiko Ikemura, Hirohisa Sato). Fading slowly. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be unobservable in October.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 16 3.59 33 55.6 3.478 4.020 115 16.0 21:54 ( 0, 89)
July 1 15 53.89 34 7.8 3.591 4.064 110 16.1 21:16 ( 0, 89)
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The ATLAS search program detected its cometary activity in April. It continues to be brightening even after the perihelion passage. Now it is 14.9 mag (June 16, Ken-ichi Kadota). Fading slowly. 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)
June 24 23 40.48 -24 9.5 2.297 2.747 105 16.0 3:00 (322, 21)
July 1 23 46.76 -24 16.6 2.241 2.762 110 16.0 3:03 (328, 23)
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It returns for the first time in 70 years. It will brighten up to 4.5 mag in 2024 spring. Now it is 16.7 mag (June 16, Hirohisa Sato). Brightening gradually. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be unobservable in July.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 19 0.51 53 39.2 3.819 4.153 102 16.3 0:55 (180, 71)
July 1 18 50.43 54 34.0 3.745 4.083 102 16.1 0:17 (180, 70)
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Now it is 15.9 mag (June 19, M. Jaeger, L. Demetz). It will fade out rapidly after this. It will be fainter than 18 mag in July. It will be unobservable in July. In its last apparition in 2014, it was re-observed after 36-year blank.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 4 11.12 21 19.0 1.549 0.794 27 16.1 3:00 (244, 0)
July 1 4 46.68 23 48.7 1.619 0.825 25 16.6 3:03 (241, 0)
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It will approach to Sun down to 0.4 a.u. in late September in 2024, and it is expected to brighten up to 0 mag. Now it is 16.1 mag (June 17, Toshihiko Ikemura, Hirohisa Sato). It stays 16 mag for a while. It will be getting lower gradually after this, and it will be unobservable in October. At the high light, in the Northern Hemisphere, it will be observable in good condition after the perihelion passage. In the Southern Hemisphere, it will be observable in the low sky before and after the perihelion passage.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 14 14.85 3 16.6 5.676 6.207 117 16.2 21:04 ( 26, 55)
July 1 14 11.57 3 9.6 5.716 6.141 110 16.2 21:04 ( 38, 52)
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It has not been observed yet in this apparition. It will brighten very rapidly, and it is expected to brighten up to 15 mag in summer. Brightening slowly. 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)
June 24 16 54.89 -36 28.1 1.268 2.249 159 16.6 22:46 ( 0, 19)
July 1 16 49.32 -35 40.0 1.269 2.225 153 16.4 22:13 ( 0, 19)
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Now it is 16.8 mag (June 5, ATLAS Chile). It stays 16 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in October. It locates somewhat low in the Southern Hemisphere. But it will become high in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 8 30.46 -13 4.4 4.369 3.802 50 16.5 21:04 ( 85,-16)
July 1 8 33.95 -13 56.5 4.412 3.789 46 16.5 21:04 ( 87,-21)
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It brightened rapidly up to 14.3 mag in April (Apr. 17, Hidetaka Sato). Now it is 16.7 mag (June 17, Toshihiko Ikemura, Hirohisa Sato). It will fade out rapidly after this. It will be fainter than 18 mag in July. It stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 13 32.16 1 14.9 1.654 2.200 108 16.6 21:04 ( 40, 49)
July 1 13 41.30 2 4.6 1.783 2.253 103 17.0 21:04 ( 46, 47)
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Now it is 16.9 mag (June 12, M. Urbanik). 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)
June 24 18 7.24 -11 29.4 1.787 2.789 168 16.8 0:02 ( 0, 43)
July 1 18 1.69 -11 7.2 1.772 2.767 165 16.7 23:24 ( 0, 44)
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Very far object. Now it is 17.0 mag (May 11, ATLAS South Africa). 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)
June 24 5 27.82 -67 17.8 10.273 10.342 91 16.8 3:00 (333,-45)
July 1 5 31.48 -67 27.7 10.263 10.339 91 16.8 3:03 (333,-43)
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Now it is 17.4 mag (June 17, Toshihiko Ikemura, Hirohisa Sato). It stays 17 mag for a while. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be unobservable in October.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 13 20.44 49 26.9 2.867 2.927 83 16.9 21:04 (133, 65)
July 1 13 27.47 47 52.5 2.901 2.918 80 16.9 21:04 (127, 62)
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Rob Matson discovered it as a bright new comet as 11 mag from SWAN images between Apr. 5 and 15. It was revealed to be an asteroid which has been observed also in 2012 and 2018. It approached to Sun down to 0.5 a.u. on Mar. 29. Now it is 17.6 mag (June 15, Jean-Claude Merlin). Fading rapidly. It will be fainter than 18 mag in July. 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)
June 24 15 34.48 -48 53.0 0.667 1.589 140 17.1 21:26 ( 0, 7)
July 1 15 38.75 -43 19.1 0.776 1.677 138 17.7 21:04 ( 0, 12)
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Very large comet. It is expected to brighten up to 14 mag in 2031. Now it is 16.1 mag (June 1, Thomas Lehmann). 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. In the Northern Hemisphere, it is not observable until 2030.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 3 18.36 -58 25.7 17.512 17.526 89 17.2 3:00 (322,-31)
July 1 3 21.04 -58 44.6 17.447 17.501 91 17.1 3:03 (324,-27)
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Now it is 17.4 mag (June 18, ATLAS-HKO, Haleakala). It stays 17 mag for a while. It will be getting lower gradually after this, and it will be unobservable in September. But it will be observable again in October in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 12 17.56 14 27.7 9.047 9.039 86 17.2 21:04 ( 74, 46)
July 1 12 16.35 14 25.2 9.176 9.048 79 17.2 21:04 ( 79, 40)
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Now it is 17.3 mag (June 13, J. L. Virlichie, P. Traverse, H. Roy, G. Houdin). Fading slowly. It will be fainter than 18 mag in September. 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)
June 24 18 29.48 -79 35.5 1.493 2.224 123 17.3 0:36 ( 0,-25)
July 1 15 57.12 -76 4.2 1.462 2.193 123 17.2 21:15 ( 0,-21)
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Now it is 17.8 mag (June 8, ATLAS-HKO, Haleakala). Fading gradually. It will be fainter than 18 mag in August. It locates somewhat low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 10 23.01 15 42.5 2.567 2.240 60 17.3 21:04 ( 93, 23)
July 1 10 35.52 14 18.9 2.637 2.245 56 17.4 21:04 ( 94, 19)
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It brightened up to 13.6 mag in 2021 (June 17, 2021, R. Carstens). Now it is 17.3 mag (June 9, D. Husar, M. Junius, S. Messner). It stays 18 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)
June 24 11 0.47 -64 44.8 6.382 6.704 104 17.3 21:04 ( 24,-21)
July 1 10 59.54 -63 49.2 6.475 6.737 100 17.4 21:04 ( 27,-23)
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It brightened up to 12.7 mag in last year (Feb. 27, 2022, Jose Guilherme de S. Aguiar). Now it is 17.5 mag (June 16, Toshihiko Ikemura, Hirohisa Sato). Fading gradually. It will be fainter than 18 mag in August. 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)
June 24 19 55.35 -26 6.5 2.134 3.088 155 17.4 1:50 ( 0, 29)
July 1 19 49.86 -26 24.8 2.126 3.114 163 17.5 1:17 ( 0, 29)
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Now it is 17.5 mag (June 16, ATLAS-HKO, Haleakala). Fading slowly. It will be fainter than 18 mag in September. It locates somewhat low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 10 40.34 24 29.4 2.825 2.504 61 17.4 21:04 ( 99, 31)
July 1 10 51.32 23 2.3 2.890 2.502 57 17.4 21:04 (100, 27)
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It brightened up to 14.1 mag in 2022 spring (Mar. 22, 2022, Chris Wyatt). It was expected to brighten up to 13 mag. But actually, it was fainter than originally expected. Now it is 16.9 mag (June 20, G. Rhemann, M. Jaeger). It stays 18 mag for a while. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 3 3.24 -4 29.4 5.203 4.664 53 17.4 3:00 (274, -2)
July 1 3 4.82 -4 3.9 5.159 4.709 58 17.4 3:03 (278, 4)
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First return of a new periodic comet which brightened up to 15 mag in 2008. Now it is 18.2 mag (June 16, Toshihiko Ikemura, Hirohisa Sato). It stays 18 mag for a while. In the Northern Hemisphere, it will be getting higher gradually. It locates somewhat low in the Southern Hemisphere. But it will become high in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 2 10.19 21 55.2 2.803 2.363 54 17.6 3:00 (259, 23)
July 1 2 23.21 22 18.3 2.749 2.375 58 17.5 3:03 (261, 27)
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It brightened up to 12.4 mag in winter (Feb. 10, Taras Prystavski). Now it is 18.0 mag (June 12, ATLAS Chile). Fading gradually. It will be fainter than 18 mag in July. It locates somewhat low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 10 39.43 14 15.3 2.754 2.487 64 17.5 21:04 ( 90, 26)
July 1 10 50.38 13 15.9 2.861 2.520 60 17.7 21:04 ( 91, 22)
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It showed cometary activity in 2023, and brightened rapidly. Now it is 17.5 mag (June 21, ATLAS South Africa). Fading slowly. It will be fainter than 18 mag in August. 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)
June 24 14 14.95 -41 40.5 2.693 3.421 128 17.6 21:04 ( 11, 12)
July 1 14 16.13 -40 49.7 2.763 3.427 123 17.6 21:04 ( 16, 12)
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Now it is 17.8 mag (Feb. 26, Jean-Claude Merlin). It stays 17 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in July. In the Southern Hemisphere, it will be getting higher gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 4 23.03 -9 2.0 8.666 7.933 41 17.7 3:00 (266,-21)
July 1 4 27.05 -8 56.5 8.582 7.899 45 17.6 3:03 (270,-15)
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It brightened up to 15.9 mag in 2022 spring (May 5, Toshiyuki Takahashi). Now it is 17.1 mag (June 17, Toshiyuki Takahashi). 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)
June 24 15 57.40 -23 56.1 4.072 4.979 150 17.7 21:48 ( 0, 31)
July 1 15 54.99 -23 49.0 4.138 4.987 142 17.7 21:19 ( 0, 31)
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It has not been observed yet in this apparition. It is expected to brighten up to 14 mag in winter. Brightening gradually. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 2 14.11 7 55.8 3.609 3.191 58 17.8 3:00 (271, 15)
July 1 2 22.28 8 40.4 3.490 3.153 62 17.7 3:03 (273, 20)
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It brightened up to 14.9 mag in winter (Feb. 28, Hidetaka Sato). Now it is 19.2 mag (June 17, Toshihiko Ikemura, Hirohisa Sato). Fading gradually. It will be fainter than 18 mag in July. 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)
June 24 22 24.76 25 40.8 2.093 2.494 100 17.7 3:00 (293, 71)
July 1 22 23.94 27 23.2 2.069 2.538 105 17.9 3:03 (303, 77)
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It will brighten up to 16 mag in next winter. Now it is 17.9 mag (June 16, Toshihiko Ikemura, Hirohisa Sato). 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 September. But it will be observable again in September. In the Southern Hemisphere, it is not observable now.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 11 17.94 64 18.3 2.831 2.546 63 17.8 21:04 (148, 45)
July 1 11 13.28 60 32.3 2.856 2.502 59 17.8 21:04 (143, 41)
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It is expected to brighten up to 14 mag in 2024 summer. At the high light, it is not observable in the Northern Hemisphere. Now it is 18.6 mag (Feb. 16, Toshihiko Ikemura, Hirohisa Sato). Brightening gradually. It will be getting higher gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 3 7.85 9 57.0 5.364 4.702 45 17.9 3:00 (261, 5)
July 1 3 11.99 9 26.7 5.226 4.652 50 17.8 3:03 (266, 10)
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Now it is 17.2 mag (June 11, 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 never be observable after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 15 47.28 80 6.1 10.262 10.043 74 17.8 21:34 (180, 45)
July 1 15 30.08 79 47.6 10.294 10.061 74 17.8 21:04 (179, 45)
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It will brighten up to 16 mag in 2024 spring. Now it is 18.3 mag (May 24, ATLAS South Africa). It stays 18 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in October. In the Southern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in August. But it will be observable again in October.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 9 17.37 -4 56.6 4.587 4.075 54 17.9 21:04 ( 85, -2)
July 1 9 24.85 -5 10.3 4.625 4.042 49 17.9 21:04 ( 88, -6)
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It was predicted to brighten up to 16 mag in 2023. But actually, it is very faint as 18.3 mag (May 30, Taras Prystavski). Fading slowly. 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)
June 24 20 0.47 -77 36.7 2.804 3.479 124 18.2 1:58 ( 0,-23)
July 1 19 38.89 -77 1.5 2.812 3.503 125 18.3 1:09 ( 0,-22)
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It was observed at 17 mag in 2022 autumn. It was predicted to be observable at 17 mag also in 2023 spring. But actually, it is extremely faint as 19.8 mag (May 28, Mt. Lemmon Survey). It will fade out rapidly after this. In the Northern Hemisphere, it will be getting lower gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
June 24 14 47.47 20 53.5 1.837 2.434 113 21.1 21:04 ( 24, 74)
July 1 14 30.72 19 6.6 2.009 2.495 106 21.4 21:04 ( 49, 68)
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