Weekly Information about Bright Comets (2026 Apr. 25: South)

Japanese version Home page	Updated on April 26, 2026
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Best time and the azimuth, altitude (A,h) are at lat. 35 deg in the Southern Hemisphere. Azimuth indicates 0 for south, 90 for west, 180 for north, 270 for east.

C/2025 R3 ( PanSTARRS ) Now it is 4.5 mag (Apr. 19, Marco Goiato). It will fade out rapidly after this. In the Northern Hemisphere, it is not observable now. 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) Apr. 25 1 58.82 10 16.9 0.494 0.514 3 4.1 5:06 (267,-14) May 2 4 8.10 -0 54.9 0.559 0.577 28 4.9 18:42 ( 96, 11) 88P/Howell Now it is 9.6 mag (Apr. 14, Chris Wyatt). Fading gradually. It locates somewhat low in the Northern Hemisphere. But it will become high in summer. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 23 29.52 -6 43.9 1.954 1.418 44 9.7 5:06 (260, 26) May 2 23 49.20 -4 41.7 1.953 1.442 45 9.8 5:11 (256, 27) C/2025 A6 ( Lemmon ) It brightened up to 3.7 mag in late October (Oct. 26, Juan Jose Gonzalez). Now it is 14.3 mag (Apr. 19, Andrew Pearce). It will fade out rapidly after this. In the Northern Hemisphere, it will be unobservable in June. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 11 21.34 -54 12.0 2.172 2.895 127 12.6 21:07 ( 0, 71) May 2 11 7.41 -50 50.1 2.286 2.984 125 12.9 20:26 ( 0, 74) 10P/Tempel 2 It is expected to brighten up to 8 mag in summer. Now it is 15.0 mag (Apr. 10, Jean-Francois Soulier). Brightening rapidly. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 19 0.37 -9 13.5 1.137 1.742 108 13.3 4:50 (180, 64) May 2 19 13.85 -8 51.2 1.049 1.703 111 12.8 4:35 (180, 64) 24P/Schaumasse It brightened up to 8.4 mag in January (Jan. 14, Mitsunori Tsumura). Now it is 12.5 mag (Apr. 14, Chris Wyatt). Fading rapidly. 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) Apr. 25 14 48.07 2 9.6 0.798 1.782 161 12.8 0:39 (180, 53) May 2 14 39.16 1 12.5 0.853 1.841 163 13.3 0:02 (180, 54) 78P/Gehrels 2 It will brighten up to 12 mag in summer. Now it is 14.5 mag (Jan. 16, Kunihiro Shima). It stays 13 mag for a while. Now it is not observable. It will appear in May in the Southern Hemisphere, or in June in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 1 25.68 9 58.4 3.045 2.067 10 12.9 5:06 (263, -8) May 2 1 41.55 11 17.2 3.019 2.053 13 12.8 5:11 (260, -5) 141P/Machholz 2 The condition is very bad in this apparition. It is not observable at all. It will turn to fade out rapidly after the peak. It will be fainter than 18 mag in July. It will never be observable after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 2 14.11 16 0.8 1.810 0.808 3 13.7 18:49 ( 97,-18) May 2 2 52.19 17 40.6 1.821 0.821 4 13.2 18:42 (101,-16) C/2024 J3 ( ATLAS ) Now it is 13.9 mag (Mar. 20, Kunihiro Shima). It stays 13 mag for a while. 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) Apr. 25 20 22.78 17 47.2 4.298 4.289 82 13.7 5:06 (199, 35) May 2 20 23.52 19 49.1 4.186 4.264 87 13.6 5:11 (190, 35) 235P/LINEAR It became brighter than expected. Now it is 14.1 mag (Apr. 13, Andrew Pearce). 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) Apr. 25 17 17.33 -12 49.7 1.377 2.200 134 13.7 3:07 (180, 68) May 2 17 16.11 -11 57.9 1.348 2.223 140 13.8 2:39 (180, 67) 29P/Schwassmann-Wachmann 1 Now it is 12.1 mag (Apr. 22, Toru Yusa). In the Northern Hemisphere, it will be getting lower gradually after this, and 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) Apr. 25 11 0.78 -1 15.8 5.596 6.314 132 13.7 20:47 (180, 56) May 2 10 59.72 -1 6.0 5.682 6.314 124 13.8 20:19 (180, 56) C/2024 E1 ( Wierzchos ) It brightened up to 6.6 mag in January (Jan. 28, Chris Wyatt). The nucleus was disintegrated in March and the comet is fading and getting diffused very rapidly. Now it is 13.5 mag (Apr. 8, Ken-ichi Kadota). Fading rapidly. It will be fainter than 18 mag in August. It will be unobservable in June. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 5 31.72 20 56.6 2.374 1.874 48 13.8 18:49 (130, 15) May 2 5 45.10 22 35.2 2.552 1.977 45 14.2 18:42 (130, 13) C/2024 T5 ( ATLAS ) Now it is 13.9 mag (Mar. 12, ATLAS South Africa). Brightening slowly. In the Northern Hemisphere, it is not observable now, but it will appear in July. It locates somewhat low in the Southern Hemisphere. But it will become high in summer. It is expected to brighten up to 11 mag in next winter. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 3 34.63 -21 3.7 5.741 5.013 40 14.1 18:49 ( 77, 18) May 2 3 41.25 -20 5.7 5.721 4.976 38 14.0 18:42 ( 76, 15) C/2023 R1 ( PanSTARRS ) Now it is 14.0 mag (Apr. 21, Toru Yusa). 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) Apr. 25 19 10.08 -3 55.6 3.174 3.572 105 14.4 5:00 (180, 59) May 2 19 1.15 -4 8.9 3.047 3.574 113 14.3 4:23 (180, 59) C/2014 UN271 ( Bernardinelli-Bernstein ) Very large comet. It is expected to brighten up to 13 mag in 2031. Now it is 14.6 mag (Apr. 14, Andrew Pearce). 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) Apr. 25 5 13.53 -69 15.6 14.038 14.046 88 14.7 18:49 ( 24, 44) May 2 5 19.21 -68 58.8 14.005 14.024 89 14.7 18:42 ( 25, 43) C/2022 QE78 ( ATLAS ) Now it is 14.7 mag (Apr. 22, Toru Yusa). It stays 15 mag for a while. It will be unobservable in July in the Southern Hemisphere, or in August in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 9 5.94 32 1.2 5.545 5.719 94 14.8 18:53 (180, 23) May 2 9 8.48 31 58.2 5.666 5.734 88 14.9 18:42 (177, 23) C/2022 N2 ( PanSTARRS ) Now it is 15.3 mag (Apr. 8, Ken-ichi Kadota). It stays 15 mag for a while. It will be unobservable in May. But it will be observable again in July in the Northern Hemisphere, or in August in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 4 39.87 26 16.3 5.226 4.474 37 15.1 18:49 (125, 3) May 2 4 48.30 26 26.2 5.317 4.505 32 15.2 18:42 (124, 1) C/2021 G2 ( ATLAS ) Now it is 15.2 mag (Apr. 8, Toru Yusa). 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) Apr. 25 17 29.14 11 35.3 6.052 6.674 124 15.1 3:19 (180, 43) May 2 17 27.64 12 21.3 6.025 6.708 129 15.1 2:50 (180, 43) 93P/Lovas 1 Now it is 16.0 mag (Jan. 18, Kunihiro Shima). Fading slowly. Now it is not observable. It will appear in August in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 2 36.42 22 56.5 2.662 1.691 11 15.5 18:49 (106,-18) May 2 2 57.27 24 34.9 2.668 1.689 10 15.5 18:42 (108,-19) 63P/Wild 1 Now it is 14.7 mag (Apr. 11, Michael Jager, Gerald Rhemann). Brightening slowly. In the Northern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in July. It locates somewhat low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 7 27.93 35 2.2 2.133 2.097 74 15.7 18:49 (160, 17) May 2 7 41.86 33 25.8 2.178 2.076 70 15.5 18:42 (158, 18) C/2024 R4 ( PanSTARRS ) Now it is 15.6 mag (Apr. 14, Alfons Diepvens). It stays 15 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) Apr. 25 22 13.38 32 18.8 6.690 6.198 56 15.8 5:06 (217, 11) May 2 22 14.36 33 30.5 6.584 6.162 61 15.7 5:11 (210, 13) C/2025 Q3 ( ATLAS ) It became brighter than expected. Now it is 14.9 mag (Mar. 8, Martin Masek). Fading gradually. It will be fainter than 18 mag in July. In the Northern Hemisphere, it will never be observable after this. It locates somewhat low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 3 40.10 -27 41.6 2.793 2.221 46 15.9 18:49 ( 71, 23) May 2 3 52.40 -28 57.4 2.795 2.248 47 16.0 18:42 ( 69, 22) 218P/LINEAR Now it is 16.1 mag (Apr. 1, ATLAS Chile). It will fade out rapidly after this. It will be fainter than 18 mag in June. 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) Apr. 25 22 3.38 -9 19.0 1.360 1.303 64 15.9 5:06 (246, 44) May 2 22 20.67 -7 43.8 1.369 1.347 67 16.2 5:11 (241, 46) 240P/NEAT It brightened up to 11.1 mag in winter (Nov. 15, Masayoshi Yoshimi). The component B also brightened rapidly up to 13.8 mag (Ded. 8, Masayoshi Yoshimi). Now it is 15.6 mag (Apr. 8, Hiroshi Abe). It will fade out rapidly after this. It will be fainter than 18 mag in July. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it will be unobservable in June. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 5 54.23 35 16.8 2.760 2.337 55 16.0 18:49 (143, 7) May 2 6 9.90 35 36.2 2.845 2.359 51 16.2 18:42 (143, 6) 123P/West-Hartley It will brighten up to 15 mag from autumn to winter. Now it is 16.8 mag (Apr. 16, Erik Bryssinck). Brightening slowly. It will be unobservable in May in the Southern Hemisphere, or in June in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 5 12.34 32 43.4 3.027 2.442 46 16.2 18:49 (135, 4) May 2 5 26.67 32 59.5 3.062 2.418 42 16.1 18:42 (134, 3) C/2022 R6 ( PanSTARRS ) Now it is 16.3 mag (Apr. 6, ATLAS Chile). It stays 17 mag for a while. It will be getting lower gradually after this, and it will be unobservable in June in the Northern Hemisphere, or in July in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 8 32.85 0 45.3 6.588 6.763 95 16.4 18:49 (168, 54) May 2 8 34.72 1 24.1 6.708 6.774 89 16.4 18:42 (160, 52) C/2024 G6 ( ATLAS ) Now it is 16.2 mag (Apr. 1, ATLAS Chile). 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) Apr. 25 16 13.07 7 50.8 5.615 6.444 142 16.4 2:03 (180, 47) May 2 16 7.79 8 56.3 5.582 6.448 146 16.4 1:30 (180, 46) C/2025 Y1 ( ATLAS ) Now it is 16.3 mag (Apr. 13, ATLAS Chile). 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) Apr. 25 12 50.33 3 31.6 4.859 5.783 154 16.6 22:37 (180, 52) May 2 12 47.62 3 52.4 4.857 5.731 147 16.5 22:06 (180, 51) C/2025 J1 ( Borisov ) Now it is 16.9 mag (Apr. 6, ATLAS-HKO, Haleakala). 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 June. But it will be observable again in July. 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) Apr. 25 5 24.58 43 9.3 4.143 3.607 51 16.7 18:49 (144, -2) May 2 5 30.94 41 36.3 4.225 3.599 46 16.7 18:42 (141, -3) 493P/2024 Q2 ( LONEOS ) Now it is 16.8 mag (Apr. 7, Alfons Diepvens). 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 July. But it will be observable again in August. In the Southern Hemisphere, it is not observable now. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 5 49.30 44 30.6 4.337 3.871 56 17.0 18:49 (148, -1) May 2 6 0.08 44 5.8 4.417 3.877 51 17.0 18:42 (146, -1) 65P/Gunn Now it is 16.9 mag (Nov. 20, Thomas Lehmann). It stays 17 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in May. In the Southern Hemisphere, it will be getting higher gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 23 40.30 -10 23.9 3.940 3.287 43 17.1 5:06 (265, 26) May 2 23 48.67 -9 37.5 3.886 3.301 48 17.1 5:11 (260, 30) 260P/McNaught It will brighten up to 13 mag and will be observable in good condition from summer to autumn. Now it is 17.8 mag (Apr. 17, E. Cortes). It will brighten rapidly after this. It locates somewhat low in the Northern Hemisphere. But it will become high in summer. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 22 39.45 -18 27.2 2.068 1.798 60 17.5 5:06 (263, 42) May 2 22 57.04 -16 19.0 1.978 1.756 62 17.2 5:11 (258, 44) C/2023 X2 ( Lemmon ) Now it is 17.5 mag (Apr. 14, Alfons Diepvens). It stays 17 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) Apr. 25 20 56.61 87 10.4 5.309 5.167 76 17.2 5:06 (181,-32) May 2 19 39.04 88 1.4 5.340 5.176 75 17.2 4:48 (180,-33) C/2022 E2 ( ATLAS ) It was observed at 12-13 mag for a long time in 2024. Now it is 17.2 mag (Apr. 8, Alfons Diepvens). It stays 17 mag for a while. In the Northern Hemisphere, it will be getting higher gradually. It locates somewhat low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 23 12.33 29 36.5 6.869 6.185 43 17.2 5:06 (228, 5) May 2 23 13.56 29 55.4 6.852 6.229 48 17.2 5:11 (223, 9) C/2023 F3 ( ATLAS ) Now it is 17.2 mag (Apr. 19, Andrew Pearce). 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 June. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 9 4.09 -10 30.0 5.815 6.163 105 17.2 18:51 (180, 66) May 2 9 2.10 -9 30.4 5.954 6.191 98 17.3 18:42 (168, 64) C/2025 E1 ( PanSTARRS ) Now it is 17.2 mag (Apr. 14, ATLAS Chile). 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) Apr. 25 8 48.67 -66 55.0 3.816 4.204 105 17.3 18:49 ( 3, 58) May 2 8 41.19 -66 9.7 3.819 4.186 104 17.2 18:42 ( 8, 58) C/2024 G4 ( PanSTARRS ) Now it is 17.2 mag (Mar. 12, ATLAS South Africa). 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) Apr. 25 20 13.83 3 22.1 4.838 4.908 88 17.3 5:06 (202, 49) May 2 20 16.74 3 38.5 4.745 4.911 93 17.3 5:11 (191, 51) A/2026 E1 Now it is 17.3 mag (Apr. 16, B. Lutkenhoner, E. Cortes). Fading slowly. It will be fainter than 18 mag 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) Apr. 25 11 27.99 -26 59.8 2.065 2.908 139 17.4 21:14 (180, 82) May 2 11 21.05 -22 24.5 2.116 2.904 133 17.5 20:40 (180, 77) C/2025 T1 ( ATLAS ) It brightened up to 9.0 mag from late November to early December (Nov. 22, Thomas Lehmann). Now it is 17.1 mag (Apr. 16, ATLAS Chile). It will fade out rapidly after this. It will be fainter than 18 mag in May. 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) Apr. 25 22 37.40 -32 2.6 2.592 2.398 67 17.4 5:06 (280, 48) May 2 22 40.55 -34 30.2 2.547 2.478 74 17.6 5:11 (282, 55) C/2019 E3 ( ATLAS ) Very far object. 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 stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 0 34.25 -42 39.5 11.820 11.346 59 17.4 5:06 (303, 30) May 2 0 36.22 -42 30.6 11.769 11.361 63 17.4 5:11 (301, 35) 40P/Vaisala 1 It became brighter than expected, brightened up to 14.3 mag (Jan. 21, Michael Jager). Now it is 17.1 mag (Apr. 14, Francois Kugel). Fading gradually. It will be fainter than 18 mag in June. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 18 2.21 -9 18.9 1.720 2.417 122 17.4 3:52 (180, 64) May 2 18 1.49 -9 8.8 1.692 2.458 129 17.5 3:24 (180, 64) C/2024 A1 ( ATLAS ) Now it is 17.0 mag (Apr. 1, ATLAS-MLO, Mauna Loa). It stays 18 mag for a while. 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) Apr. 25 6 23.13 63 30.5 5.034 4.728 66 17.5 18:49 (163,-13) May 2 6 28.43 63 32.5 5.142 4.762 62 17.6 18:42 (162,-14) 195P/Hill Now it is 17.1 mag (Apr. 20, ATLAS-HKO, Haleakala). It stays 18 mag for a while. In the Northern Hemisphere, it will be unobservable in June. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 9 21.19 -27 25.1 4.125 4.595 111 17.5 19:08 (180, 82) May 2 9 23.43 -26 36.4 4.202 4.603 107 17.5 18:43 (180, 82) C/2023 H5 ( Lemmon ) Now it is 17.3 mag (Apr. 8, Ken-ichi Kadota). 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) Apr. 25 22 2.36 63 28.1 5.282 4.957 65 17.5 5:06 (198,-14) May 2 22 7.48 63 56.3 5.303 4.984 66 17.5 5:11 (195,-13) C/2025 V2 ( Rankin ) It is expected to brighten up to 12.5 mag in 2027 spring. Now it is 17.4 mag (Apr. 7, Erik Bryssinck). Brightening slowly. It will be getting lower gradually after this, and it will be unobservable in August. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 9 1.61 22 48.9 3.953 4.193 96 17.7 18:49 (180, 32) May 2 9 3.20 23 3.5 4.002 4.132 90 17.7 18:42 (175, 32) C/2025 M2 ( PanSTARRS ) It is expected to brighten up to 12 mag from 2027 to 2028. Now it is 17.2 mag (Apr. 10, ATLAS Chile). Brightening slowly. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 21 6.20 -16 30.2 6.164 6.076 80 17.8 5:06 (240, 59) May 2 21 5.29 -16 30.7 5.987 6.025 87 17.7 5:11 (227, 65) C/2024 G2 ( ATLAS ) Now it is 17.6 mag (Apr. 19, ATLAS Chile). It stays 18 mag for a while. In the Northern Hemisphere, it will be getting lower 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) Apr. 25 10 58.36 8 51.4 5.157 5.830 127 17.7 20:45 (180, 46) May 2 10 55.10 9 49.0 5.281 5.850 119 17.8 20:14 (180, 45) 43P/Wolf-Harrington Now it is 17.6 mag (Apr. 13, Toru Yusa). Fading slowly. It will be fainter than 18 mag in May. In the Northern Hemisphere, it will be getting lower 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) Apr. 25 10 38.10 -3 28.0 2.331 3.046 127 17.7 20:25 (180, 59) May 2 10 39.62 -3 5.3 2.432 3.072 120 17.9 19:59 (180, 58) C/2026 A2 ( Bok ) It will brighten up to 14 mag from autumn to winter. Now it is 17.6 mag (Apr. 14, Alfons Diepvens). Brightening 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) Apr. 25 18 27.70 62 5.4 3.252 3.400 89 17.9 4:16 (180, -7) May 2 18 30.66 64 28.2 3.205 3.339 88 17.8 3:51 (180, -9) (248590) 2006 CS It seems to be a parent of the beta-Tucanids meteor shower. Now it is 17.7 mag (Apr. 12, Guy Wells). Fading gradually. 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) Apr. 25 17 42.98 84 38.0 0.647 1.100 80 17.8 3:29 (180,-30) May 2 16 49.09 82 23.2 0.750 1.160 81 18.1 2:09 (180,-27) (15504) 1999 RG33 Peculiar asteroid moving along a cometary orbit. Now it is 17.8 mag (Apr. 12, John Maikner). 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) Apr. 25 13 12.00 -7 23.1 3.015 3.995 164 17.9 22:58 (180, 63) May 2 13 6.09 -7 28.7 3.001 3.947 156 17.9 22:25 (180, 63) C/2020 V2 ( ZTF ) It was observed at 9-10 mag for a long time in 2023. 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) Apr. 25 20 18.79 -68 55.1 9.612 9.857 101 17.9 5:06 (350, 55) May 2 20 16.10 -69 29.5 9.581 9.905 105 17.9 5:11 (356, 55) C/2026 C1 ( Tsuchinshan ) It is expected to brighten up to 4 mag in 2028 autumn. Now it is 17.7 mag (Apr. 13, Ken-ichi Kadota). It stays 18 mag for a while. It stays observable in good condition. At the high light, it is observable in excellent condition in the Southern Hemisphere. In the Northern Hemisphere, it becomes observable after the perihelion passage. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 12 20.75 7 40.5 8.591 9.443 146 17.9 22:07 (180, 47) May 2 12 17.88 7 46.3 8.608 9.391 138 17.9 21:37 (180, 47) C/2024 J4 ( Lemmon ) Now it is 17.5 mag (Apr. 8, Ken-ichi Kadota). 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) Apr. 25 14 2.43 6 43.5 5.305 6.261 160 17.9 23:48 (180, 48) May 2 13 55.48 6 38.3 5.347 6.281 156 17.9 23:14 (180, 48) C/2025 L1 ( ATLAS ) It was expected to brighten up to 13.5 mag. But actually, it is getting diffuse and fading very rapidly. Now it is 17.3 mag (Apr. 8, Toru Yusa). 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) Apr. 25 13 2.79 49 57.9 1.507 2.141 115 18.5 22:47 (180, 5) May 2 12 38.22 51 55.0 1.661 2.195 108 18.9 21:55 (180, 3) 489P/Denning It had been lost for 113 years. It must have passed the perihelion on Dec. 4. It brightened up to 18 mag in outburst in 2007. Fading gradually. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 12 47.87 -5 27.1 1.191 2.160 158 21.7 22:34 (180, 61) May 2 12 45.14 -5 27.5 1.269 2.206 151 22.0 22:04 (180, 61) C/2026 A1 ( MAPS ) Kreutz sungrazer comet discovered furthest from Sun in history. It approached to Sun down to 0.005 a.u. on Apr. 4. It brightened up to 7.7 mag until it set down under the horizon before the perihelion passage (Mar. 29, Chris Wyatt). It brightened up to about -1 mag in the SOHO spacecraft images (Apr. 4, Robert Pickard). However, the comet has disappeared at the perihelion passage. It is appearing in the evening sky again in calculation, however, probably nothing remained. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Apr. 25 4 25.44 1 59.3 1.386 0.815 35 28.5 18:49 (104, 16) May 2 4 55.85 1 42.1 1.587 0.993 37 31.2 18:42 (106, 18)