Weekly Information about Bright Comets (2025 Nov. 29: North)

Japanese version Home page	Updated on December 1, 2025
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Best time and the azimuth, altitude (A,h) are at lat. 35 deg in the Northern Hemisphere. Azimuth indicates 0 for south, 90 for west, 180 for north, 270 for east.

C/2025 A6 ( Lemmon ) It brightened up to 3.7 mag in late October (Oct. 26, Juan Jose Gonzalez). Now it is 5.2 mag (Nov. 21, Marco Goiato). Fading rapidly. Now it is not observable. It will appear soon in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 17 12.59 -26 21.4 1.631 0.707 13 7.3 18:18 ( 65,-11) Dec. 6 17 12.63 -29 44.6 1.773 0.814 8 8.4 18:18 ( 65,-18) 210P/Christensen Now it is 9.5 mag (Nov. 28, Michael Jager, Gerald Rhemann, E. Prosperi). It will fade out rapidly after this. In the Northern Hemisphere, it will be getting higher gradually. 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) Nov. 29 14 20.43 -12 45.8 0.621 0.542 29 9.0 5:18 (294, 10) Dec. 6 14 23.20 -10 2.7 0.740 0.596 37 9.9 5:23 (296, 17) 24P/Schaumasse It will brighten up to 8 mag in winter, and will be observable in good condition. Now it is 11.5 mag (Nov. 29, Marco Goiato). It brightens up to 8 mag, but it will turn to fade out rapidly after that. 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) Nov. 29 10 8.55 19 27.8 0.697 1.297 99 10.3 5:18 (344, 74) Dec. 6 10 42.99 18 47.2 0.658 1.263 98 9.7 5:23 (343, 73) C/2025 T1 ( ATLAS ) Now it is 9.4 mag (Nov. 26, Osamu Miyazaki). It will fade out rapidly after this. In the Northern Hemisphere, it will be getting lower gradually after this, and it will be unobservable 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) Nov. 29 19 0.69 26 41.1 1.152 1.110 61 9.7 18:18 ( 96, 41) Dec. 6 19 31.93 18 16.8 1.281 1.110 56 9.9 18:18 ( 86, 37) 3I/2025 N1 ( ATLAS ) Third interstellar object in history following 1I/'Oumuamua and 2I/Borisov. The eccentricity is extremely big as 6. It approached to Sun down to 1.38 a.u. in late October. Now it is 10.4 mag (Nov. 28, Yoshimi Nagai). 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 be getting higher gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 12 8.76 -0 9.5 1.934 1.754 64 10.8 5:18 (310, 42) Dec. 6 11 43.17 2 6.9 1.862 1.924 78 11.3 5:23 (326, 52) C/2024 E1 ( Wierzchos ) It was originally expected to brighten up to 5 mag in January. But actually, the brightness evolution is slower than originally expected. It will be 8 mag at best. Now it is 11.4 mag (Nov. 6, Thomas Lehmann). It will brighten rapidly after this. In the Northern Hemisphere, it will be unobservable soon. But it will be observable again in February. In the Southern Hemisphere, it is not observable now, but it will appear in January. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 17 35.76 -6 3.1 2.064 1.231 24 11.2 18:18 ( 78, 6) Dec. 6 17 50.69 -9 54.1 1.999 1.118 19 10.9 18:18 ( 77, 1) C/2025 K1 ( ATLAS ) Now it is 10.6 mag (Nov. 28, Osamu Miyazaki). 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 is not observable now, but it will be observable soon. The nucleus is split into three components. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 6 25.67 74 54.3 0.425 1.273 123 10.9 2:15 (180, 50) Dec. 6 2 6.21 64 15.6 0.545 1.401 130 11.8 20:59 (180, 62) C/2025 R2 ( SWAN ) It brightened up to 5.2 mag in October (Oct. 11, Virgilio Gonano). Now it is 11.3 mag (Nov. 28, Osamu Miyazaki). Fading rapidly. 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) Nov. 29 0 2.30 7 45.6 0.929 1.631 116 11.4 19:30 ( 0, 63) Dec. 6 0 17.20 8 48.8 1.094 1.740 113 12.1 19:17 ( 0, 64) 240P/NEAT Now it is 11.9 mag (Nov. 29, Marco Goiato). Fading slowly. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be getting lower gradually. The component B is brightening rapidly. Now it is bright as 14.8 mag (Nov. 15, Andrew Pearce). Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 3 40.50 7 41.4 1.164 2.128 163 12.1 23:06 ( 0, 63) Dec. 6 3 33.51 9 24.2 1.180 2.125 157 12.1 22:32 ( 0, 65) C/2025 V1 ( Borisov ) Bright new comet. It brightened up to 10.4 mag in early November (Nov. 4, Michael Jager and Gerald Rhemann). However, it faded out very rapidly afer that. Now it is 14.0 mag (Nov. 8, Michael Jager). It will fade out rapidly after this. It will be fainter than 18 mag in January. In the Northern Hemisphere, it will be unobservable soon. 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) Nov. 29 17 23.32 4 35.0 1.100 0.558 30 12.2 18:18 ( 89, 10) Dec. 6 17 54.37 1 20.2 1.334 0.664 28 13.3 18:18 ( 86, 8) 88P/Howell It will brighten rapidly after this. Now it is not observable. It will appear soon in the Northern Hemisphere, or in January in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 15 14.62 -17 17.0 2.713 1.784 15 13.4 5:18 (289, -3) Dec. 6 15 33.71 -18 37.2 2.650 1.741 18 13.1 5:23 (292, -1) C/2022 N2 ( PanSTARRS ) Now it is 12.8 mag (Nov. 28, Osamu Miyazaki). 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) Nov. 29 3 18.02 25 43.0 3.006 3.968 165 13.4 22:44 ( 0, 81) Dec. 6 3 15.56 25 27.7 3.053 3.985 158 13.4 22:14 ( 0, 81) 235P/LINEAR It became brighter than expected. Now it is 13.6 mag (Nov. 19, Martin Masek). It stays 13 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) Nov. 29 13 20.81 -10 59.8 2.576 1.987 43 13.5 5:18 (302, 22) Dec. 6 13 36.70 -12 10.9 2.520 1.983 46 13.4 5:23 (307, 24) 29P/Schwassmann-Wachmann 1 Now it is 16.0 mag (Nov. 15, Hiroshi Abe). 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) Nov. 29 11 28.02 -1 51.0 6.515 6.303 73 14.1 5:18 (323, 46) Dec. 6 11 30.19 -2 14.3 6.404 6.304 79 14.0 5:23 (333, 49) C/2022 QE78 ( ATLAS ) Now it is 14.6 mag (Nov. 15, Hiroshi Abe). It stays 14 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) Nov. 29 9 25.19 21 18.5 5.097 5.507 109 14.4 4:54 ( 0, 76) Dec. 6 9 26.40 21 51.5 5.001 5.512 116 14.4 4:28 ( 0, 77) C/2021 G2 ( ATLAS ) Now it is 14.4 mag (Oct. 11, Hiroshi Abe). It stays 15 mag for a while. Now it is not observable. It will appear soon in the Northern Hemisphere, or in January in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 16 23.87 -0 59.9 6.933 6.019 20 14.7 18:18 ( 93, -6) Dec. 6 16 29.57 -0 49.9 6.949 6.048 22 14.7 5:23 (270, -2) C/2024 J3 ( ATLAS ) It will brighten up to 13 mag in 2026. Now it is 14.9 mag (Nov. 17, Alfons Diepvens). It stays 15 mag for a while. 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 February. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 18 52.29 -7 25.1 5.669 4.948 39 14.9 18:18 ( 65, 20) Dec. 6 18 56.69 -6 50.5 5.694 4.912 34 14.9 18:18 ( 70, 16) C/2024 T5 ( ATLAS ) Now it is 14.8 mag (Nov. 10, ATLAS Chile). It stays 15 mag for a while. In the Northern Hemisphere, it will be unobservable in March. In the Southern Hemisphere, it stays observable in good condition. It is expected to brighten up to 11 mag in winter between 2026 and 2027. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 2 48.18 -45 4.1 5.423 5.840 110 15.0 22:14 ( 0, 10) Dec. 6 2 44.54 -44 26.3 5.429 5.798 107 14.9 21:43 ( 0, 11) C/2014 UN271 ( Bernardinelli-Bernstein ) Very large comet. It is expected to brighten up to 13 mag in 2031. Now it is 14.3 mag (Nov. 22, Thomas Lehmann). 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) Nov. 29 5 22.98 -74 45.1 14.585 14.503 83 14.9 0:51 ( 0,-20) Dec. 6 5 18.01 -74 53.2 14.575 14.481 82 14.9 0:18 ( 0,-20) C/2025 L1 ( ATLAS ) It is expected to brighten up to 13.5 mag and to be observable in good condition in 2026 spring. Brightening slowly. In the Northern Hemisphere, it is not observable now, but it will be observable soon. In the Southern Hemisphere, it will be getting higher gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 15 8.41 -45 46.8 2.586 1.781 28 15.1 5:18 (314,-18) Dec. 6 15 17.53 -44 5.4 2.551 1.752 28 15.0 5:23 (315,-14) C/2023 R1 ( PanSTARRS ) Now it is 15.3 mag (Nov. 17, Alfons Diepvens). It stays 15 mag for a while. In the Northern Hemisphere, it will be unobservable temporarily in January. 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) Nov. 29 19 13.33 0 55.6 4.364 3.775 48 15.2 18:18 ( 68, 29) Dec. 6 19 14.38 0 10.3 4.431 3.755 41 15.3 18:18 ( 73, 23) 78P/Gehrels 2 It will brighten up to 12 mag in 2026 summer. Now it is 16.0 mag (Nov. 11, Ken-ichi Kadota). Brightening slowly. It will be unobservable in January in the Southern Hemisphere, or in February in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 20 45.93 -12 55.1 2.860 2.581 63 15.4 18:18 ( 37, 34) Dec. 6 20 55.95 -12 28.2 2.910 2.550 59 15.3 18:18 ( 42, 32) C/2022 E2 ( ATLAS ) It was observed at 12-13 mag for a long time in 2024. Now it is 15.5 mag (Nov. 21, Thomas Lehmann). Fading slowly. 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) Nov. 29 22 28.02 37 56.1 4.955 5.291 104 15.7 18:18 (124, 84) Dec. 6 22 27.14 36 24.6 5.091 5.332 98 15.8 18:18 (102, 79) C/2024 R4 ( PanSTARRS ) Brightening rapidly. It is expected to brighten up to 12 mag from 2027 to 2028. Now it is 16.0 mag (Nov. 17, Alfons Diepvens). It stays 16 mag for a while. In the Northern Hemisphere, it will be getting lower gradually. But it will be getting higher again after February. In the Southern Hemisphere, it will be unobservable soon. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 21 28.36 21 10.0 6.989 7.000 86 16.1 18:18 ( 58, 67) Dec. 6 21 28.64 21 2.3 7.051 6.961 80 16.0 18:18 ( 67, 62) C/2025 Q3 ( ATLAS ) Now it is 15.8 mag (Nov. 25, Catalina Sky Survey). 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 March. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 2 47.41 14 13.7 1.414 2.354 157 16.1 22:13 ( 0, 69) Dec. 6 2 34.63 8 54.3 1.443 2.319 144 16.0 21:32 ( 0, 64) C/2022 R6 ( PanSTARRS ) Now it is 16.0 mag (Nov. 18, Hidenori Nohara). 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) Nov. 29 8 58.65 -12 7.0 6.293 6.597 103 16.2 4:28 ( 0, 43) Dec. 6 8 58.47 -12 5.1 6.200 6.601 109 16.2 4:00 ( 0, 43) C/2023 C2 ( ATLAS ) It brightened up to 12.7 mag in 2024 summer (Aug. 7, 2024, Thomas Lehmann). Now it is 15.8 mag (Nov. 22, Alfons Diepvens). Fading slowly. 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) Nov. 29 22 25.16 51 7.3 4.165 4.559 107 16.2 18:18 (166, 73) Dec. 6 22 29.71 50 24.1 4.274 4.614 104 16.3 18:18 (154, 72) 261P/Larson Now it is 16.7 mag (Nov. 25, Catalina Sky Survey). Fading slowly. In the Southern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in February. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 21 19.17 -10 32.6 2.095 2.027 72 16.4 18:18 ( 30, 40) Dec. 6 21 32.52 -9 27.8 2.159 2.021 68 16.4 18:18 ( 34, 39) 40P/Vaisala 1 Now it is 16.5 mag (Nov. 15, Kunihiro Shima). It stays 17 mag for a while. It locates somewhat low in the Northern Hemisphere. But it will become high in winter. 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) Nov. 29 13 57.48 -4 5.6 2.498 1.832 38 16.4 5:18 (290, 20) Dec. 6 14 15.20 -5 17.9 2.466 1.840 41 16.4 5:23 (294, 22) C/2024 A1 ( ATLAS ) Now it is 16.4 mag (Nov. 18, Michael Jager). 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 soon. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 8 52.92 45 17.1 3.560 4.142 120 16.5 4:22 (180, 80) Dec. 6 8 49.21 47 35.3 3.502 4.164 126 16.5 3:51 (180, 78) 493P/2024 Q2 ( LONEOS ) Now it is 16.4 mag (Nov. 16, Alfons Diepvens). It stays 17 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) Nov. 29 4 56.53 53 37.1 2.968 3.834 147 16.5 0:27 (180, 71) Dec. 6 4 50.22 53 47.2 2.955 3.831 148 16.5 23:49 (180, 71) 47P/Ashbrook-Jackson Now it is 16.7 mag (Nov. 18, Michael Jager). 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 February. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 22 51.08 -5 48.6 2.546 2.814 95 16.5 18:18 ( 0, 49) Dec. 6 22 56.43 -4 52.8 2.643 2.817 89 16.6 18:18 ( 8, 50) 145P/Shoemaker-Levy 5 Now it is 16.5 mag (Nov. 20, Andrew Pearce). 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 lower gradually after this, and it will be unobservable in March. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 22 46.44 -12 22.0 1.686 1.978 91 16.6 18:18 ( 1, 43) Dec. 6 22 55.60 -10 33.9 1.741 1.960 87 16.6 18:18 ( 8, 44) 65P/Gunn Now it is 16.9 mag (Nov. 20, Thomas Lehmann). It stays 17 mag for a while. It will be unobservable in January. But it will be observable again in March in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 19 59.83 -28 0.7 3.575 3.038 50 16.6 18:18 ( 38, 15) Dec. 6 20 10.88 -27 25.1 3.654 3.048 45 16.7 18:18 ( 42, 14) C/2023 H5 ( Lemmon ) Now it is 16.4 mag (Nov. 17, Alfons Diepvens). It stays 17 mag for a while. It locates somewhat low in the Northern Hemisphere. But it will become high in winter. 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) Nov. 29 16 40.41 63 17.2 4.471 4.491 84 16.6 18:18 (149, 30) Dec. 6 17 3.12 63 9.2 4.474 4.507 85 16.6 18:18 (149, 29) C/2025 J1 ( Borisov ) Now it is 16.9 mag (Nov. 19, Michael Jager). It stays 17 mag for a while. 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) Nov. 29 10 56.05 75 29.6 3.563 3.986 108 16.8 5:18 (186, 49) Dec. 6 10 37.23 76 51.8 3.476 3.959 112 16.7 5:23 (181, 48) 164P/Christensen Now it is 16.9 mag (Nov. 10, ATLAS-HKO, Haleakala). It stays 17 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) Nov. 29 11 2.85 19 57.4 2.207 2.380 87 16.7 5:18 (308, 68) Dec. 6 11 10.05 20 14.7 2.158 2.420 93 16.7 5:23 (322, 72) 43P/Wolf-Harrington Now it is 16.7 mag (Nov. 22, Thomas Lehmann). 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) Nov. 29 10 49.71 -2 38.3 2.528 2.582 81 16.7 5:18 (336, 50) Dec. 6 10 56.33 -3 45.7 2.457 2.598 86 16.7 5:23 (347, 50) C/2023 X2 ( Lemmon ) Now it is 16.9 mag (Oct. 3, ATLAS-MLO, Mauna Loa). 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) Nov. 29 13 27.13 85 42.8 4.698 5.094 108 16.8 5:18 (184, 38) Dec. 6 14 54.84 85 51.2 4.688 5.092 108 16.8 5:23 (185, 37) C/2023 F3 ( ATLAS ) Now it is 16.8 mag (Nov. 23, W. Hasubick). 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 stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 11 0.34 -24 22.8 5.875 5.656 72 16.9 5:18 (342, 28) Dec. 6 10 58.16 -24 35.1 5.782 5.677 79 16.9 5:23 (351, 30) 302P/Lemmon-PanSTARRS It brightened very rapidly, and it became brighter than expected. Now it is 16.8 mag (Nov. 23, Thomas Lehmann). Fading slowly. 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) Nov. 29 0 18.01 -5 33.6 2.958 3.492 115 16.9 19:45 ( 0, 50) Dec. 6 0 19.45 -5 12.2 3.062 3.502 108 17.0 19:19 ( 0, 50) 48P/Johnson Now it is 16.2 mag (Nov. 19, Andrew Pearce). Fading gradually. It will be fainter than 18 mag in January. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 3 21.37 2 47.2 1.878 2.811 156 16.9 22:47 ( 0, 58) Dec. 6 3 16.35 3 5.6 1.943 2.841 150 17.1 22:15 ( 0, 58) 195P/Hill Now it is 17.0 mag (Nov. 14, W. Hasubick). It stays 17 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) Nov. 29 9 54.80 -26 36.1 4.436 4.472 85 16.9 5:18 (359, 28) Dec. 6 9 56.62 -27 45.5 4.356 4.475 90 16.9 4:58 ( 0, 27) C/2023 RS61 ( PanSTARRS ) Although it is around 20 mag usually, now it is bright in outburst. Now it is 17.2 mag (Nov. 11, 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 unobservable in March. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 2 51.43 38 1.4 7.919 8.822 154 17.0 22:18 (180, 87) Dec. 6 2 49.02 37 48.8 7.945 8.812 149 17.0 21:48 (180, 87) C/2019 E3 ( ATLAS ) Very far object. Now it is 16.6 mag (Oct. 19, ATLAS Chile). It stays 17 mag for a while. In the Northern Hemisphere, it will be unobservable in January. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 0 10.09 -54 19.4 11.047 11.047 87 17.1 19:36 ( 0, 1) Dec. 6 0 8.00 -53 39.5 11.139 11.060 82 17.2 19:07 ( 0, 2) C/2025 R3 ( PanSTARRS ) It is expected to brighten up to 7 mag in 2026 April. Now it is 17.2 mag (Nov. 1, Ken-ichi Kadota). It will brighten rapidly after this. It will be unobservable soon in the Southern Hemisphere, or in February in the Northern Hemisphere. But it will be observable again in March in the Northern Hemisphere. At the high light, it is observable in the low sky before the perihelion passage in the Northern Hemisphere, or after the perihelion in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 22 37.35 27 49.2 2.171 2.587 103 17.3 18:18 ( 24, 82) Dec. 6 22 29.14 25 56.5 2.198 2.491 95 17.2 18:18 ( 53, 76) 60P/Tsuchinshan 2 The condition of this apparition is bad. It must have brightened up to 16 mag in summer, but it was not observable. Fading gradually. It will be fainter than 18 mag soon. It locates somewhat low in the Northern Hemisphere. In the Southern Hemisphere, it will be getting higher gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 13 36.43 -12 53.3 2.718 2.058 39 17.4 5:18 (301, 18) Dec. 6 13 49.91 -14 11.2 2.700 2.095 43 17.5 5:23 (306, 20) 217P/LINEAR It brightened up to 12.1 mag in early summer (June 10, Taras Prystavski). Now it is 17.1 mag (Nov. 25, ATLAS-MLO, Mauna Loa). Fading gradually. It will be fainter than 18 mag in January. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 9 18.45 12 45.9 1.950 2.449 108 17.4 4:47 ( 0, 68) Dec. 6 9 18.36 13 8.3 1.914 2.505 115 17.5 4:20 ( 0, 68) C/2024 X2 ( ATLAS ) Now it is 18.2 mag (Nov. 2, Taras Prystavski). 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) Nov. 29 9 19.35 -3 9.2 3.541 3.879 102 17.4 4:48 ( 0, 52) Dec. 6 9 15.51 -2 7.8 3.439 3.899 110 17.4 4:17 ( 0, 53) C/2020 V2 ( ZTF ) It was observed at 9-10 mag for a long time in 2023. It is fading very slowly. Now it is 16.9 mag (Sept. 29, ATLAS South Africa). It stays 18 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) Nov. 29 19 8.82 -66 15.6 9.403 8.835 52 17.4 18:18 ( 21,-20) Dec. 6 19 13.20 -65 54.3 9.498 8.884 49 17.5 18:18 ( 23,-21) C/2017 K2 ( PanSTARRS ) It brightened up to 8 mag from 2022 summer to 2023 spring. Now it is 17.0 mag (Nov. 19, Ken-ichi Kadota). 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) Nov. 29 6 3.72 30 11.4 9.162 10.065 154 17.4 1:34 ( 0, 85) Dec. 6 6 0.38 30 21.7 9.170 10.113 162 17.4 1:03 ( 0, 85) 123P/West-Hartley It will brighten up to 15 mag from autumn to winter in 2026. Now it is 17.8 mag (Nov. 21, A. Lue, J. Vaillancourt, D. Woods). Brightening 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) Nov. 29 3 49.31 26 58.3 2.053 3.031 171 17.6 23:15 ( 0, 82) Dec. 6 3 42.28 27 5.6 2.041 3.001 164 17.5 22:40 ( 0, 82) 93P/Lovas 1 Now it is 18.5 mag (Nov. 14, Martin Masek). Brightening slowly. In the Northern Hemisphere, it will be getting lower gradually. In the Southern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in January. It will brighten up to 15.5 mag in spring. But it is not observable around the perihelion passage. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 21 24.03 -14 28.1 2.377 2.277 72 17.6 18:18 ( 26, 37) Dec. 6 21 33.25 -13 17.8 2.417 2.235 67 17.5 18:18 ( 32, 36) C/2019 U5 ( PanSTARRS ) Now it is 17.2 mag (Nov. 15, Andrew Pearce). It stays 18 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) Nov. 29 5 15.80 -47 52.9 8.263 8.643 109 17.6 0:45 ( 0, 7) Dec. 6 5 9.29 -47 56.5 8.309 8.687 109 17.6 0:11 ( 0, 7) C/2025 R1 ( ATLAS ) Now it is 17.3 mag (Nov. 22, Francois Kugel). Fading slowly. It will be fainter than 18 mag soon. 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) Nov. 29 18 49.76 38 30.9 2.092 1.976 69 17.6 18:18 (113, 42) Dec. 6 18 53.67 35 11.5 2.190 1.981 64 17.7 18:18 (111, 37) (306173) 2010 NK83 Peculiar asteroid moving along a cometary orbit. Now it is 18.1 mag (Oct. 5, ATLAS-HKO, Haleakala). It stays 18 mag for a while. In the Northern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 8 6.56 19 42.6 1.779 2.500 127 17.8 3:36 ( 0, 75) Dec. 6 8 7.86 20 15.6 1.724 2.511 133 17.7 3:10 ( 0, 75) 276P/Vorobjov Now it is 17.7 mag (Nov. 25, ATLAS-MLO, Mauna Loa). 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) Nov. 29 7 7.03 5 36.3 3.430 4.200 136 17.7 2:37 ( 0, 61) Dec. 6 7 4.37 5 16.5 3.381 4.212 143 17.7 2:06 ( 0, 60) C/2024 G2 ( ATLAS ) Now it is 17.8 mag (Nov. 14, W. Hasubick). 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) Nov. 29 12 10.71 -11 57.9 5.919 5.491 59 17.8 5:18 (318, 32) Dec. 6 12 11.83 -11 39.2 5.818 5.503 66 17.7 5:23 (326, 36) C/2020 K1 ( PanSTARRS ) It brightened up to 12.1 mag in 2023 spring (May 20, 2023, Jose Guilherme de S. Aguiar). Now it is 17.4 mag (Mar. 25, ATLAS South Africa). 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) Nov. 29 6 26.69 -20 43.4 7.861 8.499 127 17.8 1:56 ( 0, 34) Dec. 6 6 23.20 -20 40.8 7.864 8.546 131 17.8 1:25 ( 0, 34) C/2023 U1 ( Fuls ) It continues brightening even after the perihelion passage. Now it is 17.5 mag (Nov. 19, ATLAS South Africa). It stays 18 mag for a while. In the Northern Hemisphere, it will never be observable after this. In the Southern Hemisphere, it will be getting lower gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 23 25.07 -63 6.9 5.998 5.875 78 17.8 18:52 ( 0, -8) Dec. 6 23 19.48 -61 50.9 6.102 5.902 73 17.8 18:19 ( 0, -7) C/2023 H1 ( PanSTARRS ) Now it is 17.6 mag (Oct. 20, ATLAS-MLO, Mauna Loa). It stays 18 mag for a while. It locates somewhat low in the Northern Hemisphere. It stays extremely low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 20 17.65 -12 15.6 5.787 5.322 57 17.9 18:18 ( 45, 31) Dec. 6 20 22.93 -11 49.7 5.904 5.351 51 18.0 18:18 ( 50, 28) (3200) Phaethon Now it is 17.9 mag (Oct. 5, ATLAS-MLO, Mauna Loa). 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) Nov. 29 1 38.75 33 50.4 1.537 2.397 142 17.9 21:04 ( 0, 89) Dec. 6 1 29.33 31 42.7 1.602 2.401 134 18.1 20:28 ( 0, 87) C/2013 C2 ( Tenagra ) It brightened in major outburst of 5 mag. Now it is 17.8 mag (Oct. 14, E. Cortes, B. Lutkenhoner). It stays 19 mag for a while. It locates somewhat low in the Northern Hemisphere. It stays extremely low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) Nov. 29 19 51.50 -3 35.6 15.623 15.071 54 18.3 18:18 ( 57, 33) Dec. 6 19 53.13 -3 35.2 15.723 15.085 48 18.3 18:18 ( 62, 28) 489P/Denning It had been lost for 113 years. It will pass the perihelion on Dec. 4. It brightened up to 18 mag in outburst in 2007. Brightening slowly. 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) Nov. 29 11 13.56 9 46.3 1.372 1.562 81 22.2 5:18 (318, 58) Dec. 6 11 31.29 7 55.5 1.328 1.561 83 22.1 5:23 (326, 59)