Weekly Information about Bright Comets (2025 July 12: North)

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Updated on July 14, 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.

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* C/2021 G2 ( ATLAS )

Now it is 13.9 mag (June 29, Toshihiko Ikemura, Hirohisa Sato). It stays 14 mag for a while. 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 October.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
July 12  15  4.66   -1  8.5   5.018   5.503   113   13.7  20:59 ( 30, 50)  
July 19  15  5.19   -0 55.2   5.140   5.526   107   13.8  20:53 ( 37, 47)  

* 217P/LINEAR

Now it is 13.1 mag (June 22, Martin Masek). 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 12   5 11.43   15  7.0   2.118   1.370    32   13.7   3:11 (252,  1)  
July 19   5 33.41   15 36.2   2.142   1.411    33   13.9   3:18 (253,  3)  

* 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 12  18 42.62   28  8.1   3.724   4.432   128   13.8  23:19 (  0, 83)  
July 19  18 33.44   27 26.8   3.812   4.509   127   13.9  22:43 (  0, 82)  

* 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 12   2 45.18   21  0.5   4.157   3.829    64   13.9   3:11 (266, 33)  
July 19   2 52.53   21 41.0   4.068   3.827    69   13.9   3:18 (269, 39)  

* C/2025 K1 ( ATLAS )

It is expected to brighten up to 7.5 mag in October. Now it is 14.8 mag (July 10, ATLAS-HKO, Haleakala). 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 12  21 42.97   22 56.6   1.142   1.906   123   14.8   2:25 (  0, 78)  
July 19  21 16.13   24  1.3   0.955   1.792   130   14.1   1:31 (  0, 79)  

* 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 12  10  4.19    8 12.9   7.021   6.286    40   14.2  20:59 ( 99,  1)  
July 19  10  8.46    7 47.6   7.090   6.287    35   14.2  20:53 (101, -2)  

* C/2024 E1 ( Wierzchos )

It is expected to brighten up to 5 mag in 2026 January. Now it is 14.8 mag (July 8, Alfons Diepvens). 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 12  16 29.13   54 47.8   2.957   3.202    94   14.4  21:06 (180, 70)  
July 19  16 18.83   53  4.4   2.896   3.115    92   14.2  20:53 (168, 72)  

* 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 12   2 48.26   -4 54.1   2.559   2.457    72   14.4   3:11 (289, 18)  
July 19   2 58.76   -4 16.2   2.463   2.432    76   14.3   3:18 (293, 23)  

* C/2023 R1 ( PanSTARRS )

It is expected to brighten up to 13 mag in early summer in 2026. Now it is 15.5 mag (June 20, Roland Fichtl). It stays 14 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)  
July 12  21 46.37   25 31.5   3.722   4.339   121   14.7   2:28 (  0, 81)  
July 19  21 35.13   25 23.3   3.610   4.305   127   14.6   1:49 (  0, 81)  

* 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 is still visible. 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 12   3 44.88  -66 17.1   3.127   3.411    97   14.8   3:11 (334,-27)  
July 19   3 54.90  -68 32.6   3.193   3.501    99   15.0   3:18 (337,-26)  

* C/2022 E2 ( ATLAS )

It was observed at 12-13 mag for a long time in 2024. Now it is 14.7 mag (June 30, Thomas Lehmann). 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 12   1 43.47   54 14.4   4.777   4.524    69   14.8   3:11 (225, 51)  
July 19   1 38.06   54 56.0   4.713   4.559    75   14.9   3:18 (221, 57)  

* 48P/Johnson

Now it is 15.8 mag (July 3, ATLAS Chile). 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)  
July 12   2 53.16    4 46.2   2.429   2.249    67   14.9   3:11 (280, 23)  
July 19   3  3.96    5 11.5   2.380   2.273    71   15.0   3:18 (284, 28)  

* 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 12   7 41.84   18 15.4   6.506   5.495     5   15.0  20:59 (129,-18)  
July 19   7 48.58   18 21.5   6.506   5.491     2   15.0   3:18 (229,-19)  

* 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 12  19  9.18  -16 53.7   4.706   5.717   173   15.1  23:47 (  0, 38)  
July 19  19  3.59  -16 21.5   4.681   5.677   167   15.1  23:14 (  0, 39)  

* 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 12   5  2.88  -66 31.3  14.874  14.953    92   15.1   3:11 (331,-35)  
July 19   5  8.00  -66 50.3  14.843  14.930    92   15.1   3:18 (332,-32)  

* 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 12  18 29.52  -32  3.6   1.937   2.928   164   15.1  23:07 (  0, 23)  
July 19  18 24.65  -32 16.0   1.966   2.930   157   15.1  22:35 (  0, 23)  

* 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 12   6 54.40   18 54.7   3.453   2.450     7   15.2   3:11 (233,-16)  
July 19   7  8.86   18 20.1   3.438   2.446    10   15.2   3:18 (236,-13)  

* 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 12  23 42.46   48 49.8   3.345   3.478    88   15.2   3:11 (218, 71)  
July 19  23 41.38   50 40.9   3.334   3.529    92   15.3   3:18 (200, 73)  

* 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 stays extremely low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
July 12   6 48.18    2 33.8   2.657   1.750    21   15.3   3:11 (246,-26)  
July 19   7  5.06    1 41.4   2.712   1.815    22   15.6   3:18 (250,-23)  

* 47P/Ashbrook-Jackson

Now it is 16.6 mag (July 3, 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 12  23 25.91  -12 13.0   2.206   2.875   121   15.6   3:11 (342, 41)  
July 19  23 26.50  -11 58.5   2.125   2.867   128   15.5   3:18 (353, 43)  

* 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 12   2 46.63   -1 53.3   2.404   2.300    71   15.9   3:11 (287, 20)  
July 19   2 54.42   -4 34.5   2.354   2.352    77   16.0   3:18 (294, 23)  

* 88P/Howell

It will brighten up to 9 mag in 2026 spring. Now it is 17.6 mag (June 18, ATLAS-HKO, Haleakala). 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 12  11  1.64    9 34.8   3.173   2.693    53   16.3  20:59 ( 92, 14)  
July 19  11  9.79    8 35.7   3.204   2.650    48   16.2  20:53 ( 93, 10)  

* C/2023 T3 ( Fuls )

Now it is 16.3 mag (June 29, Thomas Lehmann). 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 12  13 29.68  -21 58.8   3.564   3.859    99   16.3  20:59 ( 42, 20)  
July 19  13 35.31  -21 34.6   3.684   3.884    93   16.4  20:53 ( 45, 18)  

* 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 16.6 mag (July 6, John Maikner). 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 in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
July 12  17 43.54  -18 29.4   3.199   4.149   156   16.7  22:20 (  0, 37)  
July 19  17 26.23  -18 14.8   3.038   3.917   145   16.3  21:36 (  0, 37)  

* C/2024 T5 ( ATLAS )

Now it is 16.0 mag (July 10, ATLAS Chile). Brightening slowly. In the Northern Hemisphere, it is not observable now, but it will be observable soon. In the Southern Hemisphere, it stays observable in good condition. 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 12   3  4.49  -38  7.5   6.686   6.686    85   16.4   3:11 (312, -7)  
July 19   3  8.61  -38 30.7   6.580   6.643    89   16.4   3:18 (317, -3)  

* 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 12  21 14.55  -73 43.0   7.180   7.824   126   16.4   1:58 (  0,-19)  
July 19  20 58.62  -74 11.3   7.235   7.875   125   16.4   1:15 (  0,-19)  

* 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 soon in the Northern Hemisphere, or in September in the Southern Hemisphere. But it will be observable again in November in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
July 12  10 28.29    4 50.0   3.325   2.744    47   16.4  20:59 ( 93,  4)  
July 19  10 38.55    3 42.4   3.400   2.757    43   16.5  20:53 ( 93,  1)  

* C/2023 H5 ( Lemmon )

Now it is 16.4 mag (June 30, Ken-ichi Kadota). 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 12  11  7.61   63 54.1   4.807   4.314    55   16.4  20:59 (148, 36)  
July 19  11 16.57   63 42.4   4.826   4.315    54   16.4  20:53 (148, 35)  

* 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 12  20  6.12  -17 39.5   3.803   4.806   169   16.4   0:48 (  0, 37)  
July 19  20  2.74  -17 24.0   3.813   4.827   175   16.5   0:17 (  0, 38)  

* C/2024 L5 ( ATLAS )

Now it is 16.4 mag (July 2, ATLAS Chile). Fading slowly. It will be unobservable soon in the Northern Hemisphere, or in August in the Southern Hemisphere. But it will be observable again in October.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
July 12  11  1.58   -2 36.6   4.052   3.624    58   16.5  20:59 ( 82,  7)  
July 19  11  1.74   -2  9.8   4.189   3.646    51   16.6  20:53 ( 85,  3)  

* 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 12  10 36.45  -24 36.9   5.662   5.328    65   16.5  20:59 ( 67,-11)  
July 19  10 37.58  -23 58.1   5.773   5.340    60   16.6  20:53 ( 71,-14)  

* 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 12   0 46.25   -0 40.7   3.020   3.337    99   16.7   3:11 (311, 42)  
July 19   0 49.66   -0 35.8   2.932   3.342   104   16.6   3:18 (320, 47)  

* 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 12   6 14.42  -39 23.7   1.808   1.633    63   16.7   3:11 (295,-40)  
July 19   6 21.47  -43  8.0   1.868   1.750    67   17.0   3:18 (301,-36)  

* C/2024 G6 ( ATLAS )

Now it is 16.6 mag (June 18, Ken-ichi Kadota). 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 12  16  3.62  -16 10.0   5.879   6.606   132   16.7  20:59 (  5, 39)  
July 19  15 59.73  -15 30.0   5.965   6.595   124   16.8  20:53 ( 13, 38)  

* C/2019 E3 ( ATLAS )

Very far object. Now it is 16.8 mag (June 6, Taras Prystavski). 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 12   1 30.37  -54 50.4  10.463  10.805   107   16.9   3:11 (336, -8)  
July 19   1 29.21  -55 12.5  10.420  10.816   110   16.9   3:18 (340, -5)  

* 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 12   4 13.12  -60 46.6   2.647   2.858    91   17.2   3:11 (326,-28)  
July 19   4 40.88  -63 33.4   2.560   2.793    92   17.0   3:18 (330,-28)  

* 362P/(457175) 2008 GO98

Now it is 18.6 mag (June 4, Toshihiko Ikemura, Hirohisa Sato). 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 12  21 51.79    4 32.0   2.587   3.386   135   17.1   2:33 (  0, 60)  
July 19  21 49.06    4 23.9   2.544   3.402   141   17.1   2:03 (  0, 60)  

* 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 12   5 52.32  -36 40.4   8.170   7.755    62   17.1   3:11 (294,-35)  
July 19   5 54.55  -36 58.8   8.187   7.799    64   17.1   3:18 (297,-29)  

* 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 12   3 26.40  -53 52.3   5.268   5.391    91   17.1   3:11 (323,-19)  
July 19   3 25.73  -55 10.7   5.232   5.412    94   17.1   3:18 (327,-16)  

* 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 12  20  7.78  -15 34.4   2.181   3.183   167   17.3   0:50 (  0, 39)  
July 19  20  2.76  -15 22.2   2.177   3.189   174   17.3   0:17 (  0, 40)  

* 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 12  23 42.50   43 48.3   5.894   6.010    91   17.3   3:11 (232, 73)  
July 19  23 40.88   44 12.1   5.868   6.071    96   17.3   3:18 (214, 78)  

* 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 12  11  9.77  -18 50.4   5.640   5.352    68   17.5  20:59 ( 68, -1)  
July 19  11 12.20  -17 58.7   5.749   5.355    62   17.6  20:53 ( 71, -4)  

* 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 12  16 43.56   15 48.6   4.620   5.274   125   17.5  21:22 (  0, 71)  
July 19  16 42.45   15 12.1   4.659   5.254   120   17.5  20:53 (  0, 70)  

* 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 12   6 20.69  -17  5.9   8.278   7.555    42   17.5   3:11 (269,-32)  
July 19   6 23.92  -17  2.4   8.304   7.602    43   17.6   3:18 (273,-26)  

* 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 12  16  7.79   59 31.1   5.006   5.093    89   17.6  20:59 (176, 66)  
July 19  15 56.12   57 59.3   5.040   5.093    87   17.7  20:53 (164, 66)  

* 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 12  20 30.82   -9 40.5   2.252   3.225   159   18.0   1:13 (  0, 45)  
July 19  20 25.79   -9 51.2   2.197   3.193   166   17.8   0:40 (  0, 45)  

* 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 12   5  9.14  -46 38.7   2.162   2.141    75   17.9   3:11 (308,-31)  
July 19   5 30.93  -51  2.6   2.124   2.163    78   18.0   3:18 (314,-30)  

* C/2025 L2

Now it is 18.5 mag (June 29, Toshihiko Ikemura, Hirohisa Sato). 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 12  22 14.99  -25 11.6   2.420   3.273   141   18.1   2:56 (  0, 30)  
July 19  22 10.52  -28 20.2   2.332   3.239   147   17.9   2:25 (  0, 27)

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