Weekly Information about Bright Comets (2025 July 19: South)

Japanese version Home page	Updated on July 25, 2025
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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 K1 ( ATLAS ) It is expected to brighten up to 7.5 mag in October. Now it is 12.7 mag (July 24, Osamu Miyazaki). Brightening rapidly. It will be getting lower gradually after this, and it will be unobservable in September in the Northern Hemisphere, or in October in the Southern Hemisphere. But it will be observable again in August in the Southern Hemisphere, or in October in the Northern Hemisphere. It is not observable for a month around the perihelion passage. But in the Northern Hemisphere, it stays observable in good condition until mid September and after late October. In the Southern Hemisphere, it is observable only before the perihelion passage. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 21 16.13 24 1.3 0.955 1.792 130 14.1 1:31 (180, 31) July 26 20 35.53 24 28.1 0.790 1.676 135 13.4 0:24 (180, 30) C/2021 G2 ( ATLAS ) Now it is 13.1 mag (July 20, Osamu Miyazaki). It stays 14 mag for a while. It will be getting lower gradually after this, and it will be unobservable in October in the Southern Hemisphere, or in November in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 15 5.19 -0 55.2 5.140 5.526 107 13.8 19:16 (180, 56) July 26 15 6.23 -0 45.8 5.266 5.549 100 13.8 18:50 (180, 56) C/2022 N2 ( PanSTARRS ) Now it is 13.9 mag (July 3, Ken Harikae). 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) July 19 2 52.53 21 41.0 4.068 3.827 69 13.9 5:34 (204, 29) July 26 2 59.50 22 19.2 3.976 3.826 74 13.8 5:31 (200, 30) 217P/LINEAR Now it is 13.3 mag (July 8, Michael Mattiazzo). It will fade out rapidly after this. It locates somewhat low in the Northern Hemisphere. But it will become high in autumn. It stays extremely 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) July 19 5 33.41 15 36.2 2.142 1.411 33 13.9 5:34 (241, 12) July 26 5 54.48 15 55.0 2.165 1.455 34 14.1 5:31 (240, 12) C/2023 A3 ( Tsuchinshan-ATLAS ) It brightened up to -3 mag due to the forward scattering in the SOHO coronagraph images (Oct. 9, 2024, Q.-c. Zhang, Charles S. Morris). It became a great comet of 0 mag on the ground. Now it is 14.0 mag (June 30, Thomas Lehmann). Fading gradually. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be unobservable in November. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 18 33.44 27 26.8 3.812 4.509 127 13.9 22:43 (180, 28) July 26 18 25.11 26 36.7 3.914 4.586 126 14.1 22:07 (180, 28) C/2024 E1 ( Wierzchos ) It is expected to brighten up to 5 mag in 2026 January. Now it is 13.8 mag (July 24, Osamu Miyazaki). It will brighten rapidly after this. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be unobservable in October. But it will be observable again in July. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 16 18.83 53 4.4 2.896 3.115 92 14.2 20:28 (180, 2) July 26 16 10.29 51 2.9 2.839 3.027 90 14.1 19:52 (180, 4) 240P/NEAT Now it is brighter than originally expected. Now it is 14.3 mag (July 9, ATLAS Chile). Brightening gradually. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition. It is expected to brighten up to 12 mag and to be observable in good condition from autumn to winter. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 2 58.76 -4 16.2 2.463 2.432 76 14.3 5:34 (222, 52) July 26 3 8.96 -3 41.8 2.367 2.407 79 14.2 5:31 (216, 53) 29P/Schwassmann-Wachmann 1 Now it is 15.3 mag (June 14, ATLAS South Africa). In the Northern Hemisphere, it is not observable now, but it will appear in October. In the Southern Hemisphere, 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) July 19 10 8.46 7 47.6 7.090 6.287 35 14.2 18:37 (112, 16) July 26 10 12.88 7 21.0 7.149 6.288 29 14.3 18:41 (107, 11) C/2023 R1 ( PanSTARRS ) It is expected to brighten up to 13 mag in early summer in 2026. Now it is 15.9 mag (July 2, Thomas Lehmann). 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) July 19 21 35.13 25 23.3 3.610 4.305 127 14.6 1:49 (180, 29) July 26 21 22.87 25 1.7 3.513 4.271 132 14.5 1:10 (180, 30) C/2022 E2 ( ATLAS ) It was observed at 12-13 mag for a long time in 2024. Now it is 15.0 mag (July 7, ATLAS-HKO, Haleakala). It stays 15 mag for a while. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be unobservable in September. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 1 38.06 54 56.0 4.713 4.559 75 14.9 5:34 (182, 0) July 26 1 31.19 55 34.9 4.647 4.595 80 14.9 5:17 (180, -1) C/2022 QE78 ( ATLAS ) Now it is 14.6 mag (May 10, Alfons Diepvens). It stays 15 mag for a while. Now it is not observable. It will appear in August in the Northern Hemisphere, or in September in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 7 48.58 18 21.5 6.506 5.491 2 15.0 5:34 (258,-16) July 26 7 55.33 18 26.3 6.496 5.487 6 15.0 5:31 (256,-12) C/2024 G3 ( ATLAS ) It approached to Sun down to 0.09 a.u. on Jan. 13. It brightened up to -2 or -3 mag and it was detected even in the daylight. The nucleus was disintegrated on Jan. 19. However, its remnant stayed visible until early summer. Fading gradually. 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) July 19 3 54.90 -68 32.6 3.193 3.501 99 15.0 5:34 (339, 50) July 26 4 4.28 -70 48.6 3.265 3.590 100 15.1 5:31 (343, 50) 48P/Johnson Now it is 15.8 mag (July 3, ATLAS Chile). Fading gradually. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 3 3.96 5 11.5 2.380 2.273 71 15.0 5:34 (216, 43) July 26 3 14.11 5 30.9 2.328 2.298 75 15.1 5:31 (212, 44) C/2024 J3 ( ATLAS ) It will brighten up to 13 mag in 2026. Now it is 15.2 mag (July 6, ATLAS Chile). 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) July 19 19 3.59 -16 21.5 4.681 5.677 167 15.1 23:14 (180, 71) July 26 18 58.14 -15 49.4 4.672 5.637 159 15.1 22:41 (180, 71) C/2014 UN271 ( Bernardinelli-Bernstein ) Very large comet. It is expected to brighten up to 13 mag in 2031. Now it is 14.8 mag (June 25, Katsumi Yoshimoto). 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) July 19 5 8.00 -66 50.3 14.843 14.930 92 15.1 5:34 (332, 45) July 26 5 12.95 -67 11.4 14.813 14.907 93 15.1 5:31 (334, 47) 65P/Gunn Now it is 14.5 mag (July 6, Thomas Lehmann). 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) July 19 18 24.65 -32 16.0 1.966 2.930 157 15.1 22:35 (180, 87) July 26 18 20.56 -32 23.6 2.007 2.932 150 15.2 22:04 (180, 87) 43P/Wolf-Harrington Now it is 16.5 mag (Apr. 7, Alfons Diepvens). It stays 15 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) July 19 7 8.86 18 20.1 3.438 2.446 10 15.2 5:34 (253, -8) July 26 7 23.21 17 40.4 3.419 2.444 13 15.2 5:31 (252, -6) C/2023 C2 ( ATLAS ) It brightened up to 12.7 mag in 2024 summer (Aug. 7, 2024, Thomas Lehmann). Now it is 15.2 mag (July 1, Thomas Lehmann). Fading slowly. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be unobservable in August. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 23 41.38 50 40.9 3.334 3.529 92 15.3 3:55 (180, 4) July 26 23 38.98 52 23.8 3.326 3.581 96 15.3 3:25 (180, 3) 47P/Ashbrook-Jackson Now it is 16.8 mag (July 23, Michael Jager). 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) July 19 23 26.50 -11 58.5 2.125 2.867 128 15.5 3:40 (180, 67) July 26 23 25.99 -11 48.2 2.050 2.859 134 15.4 3:12 (180, 67) 21P/Giacobini-Zinner It brightened up to 11 mag in the SWAN images (Jan. 27, Vladimir Bezugly). Fading gradually. It will be fainter than 18 mag in October. In the Northern Hemisphere, it is not observable now, but it will appear in September. It locates somewhat low in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 7 5.06 1 41.4 2.712 1.815 22 15.6 5:34 (266, 2) July 26 7 21.10 0 45.8 2.764 1.880 23 15.9 5:31 (266, 5) 3I/2025 N1 ( ATLAS ) Third interstellar object in history following 1I/'Oumuamua and 2I/Borisov. The eccentricity is extremely big as 6. It approaches to Sun down to 1.38 a.u. in late October. It is not observable around the perihelion passage. But it is expected to be observable at 12 mag before and after that time. Now it is 16.7 mag (July 24, Toshihiko Ikemura, Hirohisa Sato). It will brighten rapidly after this. It will be getting lower gradually after this, and it will be unobservable in October. But it will be observable again in November. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 17 26.23 -18 14.8 3.039 3.918 145 16.3 21:36 (180, 73) July 26 17 7.86 -17 54.0 2.905 3.688 134 16.0 20:50 (180, 73) C/2024 J2 ( Wierzchos ) It brightened rapidly up to 14.6 mag in winter (Jan. 31, Thomas Lehmann). Now it is 15.6 mag (July 1, Thomas Lehmann). Fading gradually. It will be fainter than 18 mag in November. 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) July 19 2 54.42 -4 34.5 2.354 2.352 77 16.0 5:34 (220, 53) July 26 3 1.43 -7 29.4 2.307 2.406 83 16.1 5:31 (217, 57) 88P/Howell It will brighten up to 9 mag in 2026 spring. Now it is 17.7 mag (June 24, ATLAS Chile). It will brighten rapidly after this. It will be unobservable in August in the Northern Hemisphere, or in September in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 11 9.79 8 35.7 3.204 2.650 48 16.2 18:37 (123, 27) July 26 11 18.43 7 33.2 3.229 2.606 44 16.1 18:41 (118, 23) C/2024 T5 ( ATLAS ) Now it is 16.0 mag (July 10, ATLAS Chile). It stays 16 mag for a while. In the Northern Hemisphere, it will be unobservable soon. But it will be observable again in July. In the Southern Hemisphere, it stays observable in good condition. It is expected to brighten up to 12 mag in winter between 2026 and 2027. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 3 8.61 -38 30.7 6.580 6.643 89 16.4 5:34 (287, 68) July 26 3 12.36 -38 57.7 6.474 6.600 92 16.3 5:31 (289, 72) C/2023 H5 ( Lemmon ) Now it is 16.3 mag (July 3, 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 never be observable after this. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 11 16.57 63 42.4 4.826 4.315 54 16.4 18:37 (160,-15) July 26 11 26.43 63 32.0 4.837 4.318 53 16.4 18:41 (158,-17) 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 16.1 mag (July 10, 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) July 19 20 58.62 -74 11.3 7.235 7.875 125 16.4 1:15 ( 0, 51) July 26 20 41.75 -74 29.5 7.301 7.926 124 16.5 0:31 ( 0, 51) C/2023 T3 ( Fuls ) Now it is 16.7 mag (July 10, ATLAS Chile). Fading slowly. It will be unobservable in October in the Northern Hemisphere, or in November in the Southern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 13 35.31 -21 34.6 3.684 3.884 93 16.4 18:37 (137, 73) July 26 13 41.39 -21 15.7 3.805 3.909 88 16.5 18:41 (124, 68) P/2023 S1 ( PanSTARRS ) It brightened up to 14.4 mag in winter (Feb. 4, Ken-ichi Kadota). Now it is 17.4 mag (June 14, ATLAS-HKO, Haleakala). Fading slowly. It will be unobservable in September in the Southern Hemisphere, or in November in the Northern Hemisphere. But it will be observable again in November. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 10 38.55 3 42.4 3.400 2.757 43 16.5 18:37 (114, 24) July 26 10 48.91 2 33.0 3.470 2.769 39 16.5 18:41 (109, 21) C/2023 H1 ( PanSTARRS ) Now it is 16.4 mag (July 5, ATLAS-HKO, Haleakala). Fading slowly. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 20 2.74 -17 24.0 3.813 4.827 175 16.5 0:17 (180, 72) July 26 19 59.35 -17 9.2 3.837 4.849 174 16.5 23:42 (180, 72) C/2023 F3 ( ATLAS ) Now it is 16.7 mag (July 7, ATLAS South Africa). It stays 17 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 September. But it will be observable again in September. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 10 37.58 -23 58.1 5.773 5.340 60 16.6 18:37 ( 86, 40) July 26 10 39.02 -23 25.7 5.877 5.353 54 16.6 18:41 ( 83, 33) 302P/Lemmon-PanSTARRS It brightened very rapidly, and it became brighter than expected. Now it is 16.9 mag (July 7, 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) July 19 0 49.66 -0 35.8 2.932 3.342 104 16.6 5:03 (180, 55) July 26 0 52.29 -0 36.5 2.846 3.348 111 16.6 4:38 (180, 55) C/2024 L5 ( ATLAS ) Now it is 17.3 mag (July 6, ATLAS Chile). Fading slowly. It will be unobservable in August in the Southern Hemisphere, or in October in the Northern Hemisphere. But it will be observable again in October. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 11 1.74 -2 9.8 4.189 3.646 51 16.6 18:37 (113, 32) July 26 11 2.40 -1 48.8 4.315 3.668 45 16.8 18:41 (107, 26) C/2024 G6 ( ATLAS ) Now it is 17.1 mag (June 27, ATLAS Chile). It stays 17 mag for a while. It will be getting lower gradually after this, and it will be unobservable in October in the Southern Hemisphere, or in November in the Northern Hemisphere. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 15 59.73 -15 30.0 5.965 6.595 124 16.8 20:10 (180, 71) July 26 15 56.41 -14 52.7 6.061 6.585 117 16.8 19:40 (180, 70) C/2025 L1 ( ATLAS ) It is expected to brighten up to 13.5 mag and to be observable in good condition in 2026 spring. Now it is 17.3 mag (July 8, ATLAS Chile). Brightening slowly. In the Northern Hemisphere, it is not observable now. In the Southern Hemisphere, it will be getting lower gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 4 40.88 -63 33.4 2.560 2.793 92 17.0 5:34 (329, 49) July 26 5 14.69 -66 19.1 2.487 2.729 92 16.8 5:31 (332, 47) C/2019 E3 ( ATLAS ) Very far object. Now it is 16.6 mag (July 17, 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) July 19 1 29.21 -55 12.5 10.420 10.816 110 16.9 5:34 (357, 70) July 26 1 27.50 -55 35.4 10.382 10.827 113 16.9 5:13 ( 0, 70) C/2025 F2 ( SWAN ) It brightened rapidly up to 7.8 mag on Apr. 8 (Osamu Miyazaki). The nucleus was disintegrated, however, its remnant had been visible until mid May. It will fade out rapidly after this. It will be fainter than 18 mag in August. 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) July 19 6 21.47 -43 8.0 1.868 1.750 67 17.0 5:34 (303, 33) July 26 6 28.26 -46 54.0 1.927 1.864 71 17.3 5:31 (306, 37) 362P/(457175) 2008 GO98 Now it is 18.5 mag (June 29, Michael Jager). Fading slowly. It will be fainter than 18 mag in October. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 21 49.06 4 23.9 2.544 3.402 141 17.1 2:03 (180, 50) July 26 21 45.68 4 7.6 2.512 3.419 148 17.1 1:32 (180, 51) C/2019 U5 ( PanSTARRS ) Now it is 16.4 mag (May 4, ATLAS South Africa). It stays 17 mag for a while. In the Northern Hemisphere, it is not observable now, but it will appear in September. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 5 54.55 -36 58.8 8.187 7.799 64 17.1 5:34 (294, 36) July 26 5 56.57 -37 21.7 8.198 7.844 66 17.1 5:31 (292, 40) C/2023 U1 ( Fuls ) It continues brightening even after the perihelion passage. Now it is 17.0 mag (July 8, 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) July 19 3 25.73 -55 10.7 5.232 5.412 94 17.1 5:34 (323, 61) July 26 3 24.04 -56 34.8 5.199 5.433 97 17.1 5:31 (330, 63) 351P/Wiegert-PanSTARRS Now it is brighter than expected. Now it is 17.2 mag (June 30, Ken-ichi Kadota). Fading slowly. It will be fainter than 18 mag in September. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 20 2.76 -15 22.2 2.177 3.189 174 17.3 0:17 (180, 70) July 26 19 57.70 -15 11.7 2.186 3.196 172 17.3 23:40 (180, 70) C/2021 S3 ( PanSTARRS ) It brightened up to 9.6 mag from February to March in 2024 (Feb. 25, 2024, Thomas Lehmann). Now it is 17.5 mag (June 26, Ken-ichi Kadota). 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) July 19 23 40.88 44 12.1 5.868 6.071 96 17.3 3:54 (180, 11) July 26 23 38.62 44 31.1 5.845 6.132 101 17.3 3:25 (180, 10) C/2024 G4 ( PanSTARRS ) Now it is 17.7 mag (June 29, Toshihiko Ikemura, Hirohisa Sato). 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 lower gradually after this, and it will be unobservable in November. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 16 42.45 15 12.1 4.659 5.254 120 17.5 20:53 (180, 40) July 26 16 41.85 14 31.0 4.706 5.235 116 17.6 20:25 (180, 41) 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. In the Northern Hemisphere, it is not observable now, but it will appear in August. In the Southern Hemisphere, it will be getting higher gradually. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 6 23.92 -17 2.4 8.304 7.602 43 17.6 5:34 (276, 21) July 26 6 26.98 -17 2.2 8.320 7.650 46 17.6 5:31 (274, 26) C/2024 G2 ( ATLAS ) Now it is 17.7 mag (June 29, 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 September. But it will be observable again in October. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 11 12.20 -17 58.7 5.749 5.355 62 17.6 18:37 ( 99, 44) July 26 11 14.93 -17 13.1 5.853 5.358 56 17.6 18:41 ( 95, 38) C/2023 V1 ( Lemmon ) Now it is 17.6 mag (June 27, Alfons Diepvens). It stays 18 mag for a while. 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) July 19 15 56.12 57 59.3 5.040 5.093 87 17.7 20:05 (180, -3) July 26 15 46.50 56 19.8 5.080 5.094 85 17.7 19:29 (180, -1) 78P/Gehrels 2 It will brighten up to 12 mag in 2026 summer. Now it is 17.2 mag (July 8, ATLAS Chile). Brightening slowly. It stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 20 25.79 -9 51.2 2.197 3.193 166 17.8 0:40 (180, 65) July 26 20 20.33 -10 6.2 2.155 3.161 170 17.7 0:07 (180, 65) C/2025 L2 Now it is 18.0 mag (July 2, A. Lue, J. Vaillancourt, D. Woods). It stays 18 mag for a while. In the Northern Hemisphere, it will be unobservable in October. In the Southern Hemisphere, it stays observable in good condition. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 22 10.52 -28 20.2 2.332 3.239 147 17.9 2:25 (180, 83) July 26 22 4.57 -31 40.2 2.263 3.206 153 17.8 1:51 (180, 86) C/2024 XK14 ( Bok ) Michael Mattiazzo detected a 25-arcsec tail on May 31. Now it is 18.1 mag (July 9, A. Aletti, F. Bellini, L. Buzzi, G. Galli). It will fade out rapidly after this. In the Northern Hemisphere, it is not observable now. Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h) July 19 5 30.93 -51 2.6 2.124 2.163 78 18.0 5:34 (310, 43) July 26 5 56.83 -55 32.6 2.103 2.188 81 18.2 5:31 (316, 43)