Weekly Information about Bright Comets (2026 June 13: North)

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 Updated on June 13, 2026
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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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* 220P/McNaught

Major outburst of about 9 mag occured from May 31 to June 1, and it brightened up to 8.3 mag (June 3, Marco Goiato). Now it is 10.6 mag (June 10, Osamu Miyazaki). It will fade out rapidly after this. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   0 31.24    3 23.5   1.514   1.559    73    8.6   2:58 (284, 25)  
June 20   0 49.75    4 39.0   1.474   1.560    75    8.9   2:59 (284, 27)

* 10P/Tempel 2

It is expected to brighten up to 8 mag in summer. Now it is 11.8 mag (June 10, Toru Yusa). Brightening slowly. 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)  
June 13  20 32.31   -8 58.9   0.626   1.512   132    9.9   2:58 (356, 46)  
June 20  20 44.76   -9 53.8   0.575   1.488   136    9.4   2:53 (  0, 45)

* C/2025 R3 ( PanSTARRS )

It brightened up to 4.0 mag in late April (Apr. 30, Chris Wyatt). It brightened up to 1.3 mag due to the forward scattering in the SOHO LASCO images (Apr. 25, Mikolaj Kaszczyk). Now it is 8.8 mag (May 31, Marco Goiato). Fading rapidly. In the Northern Hemisphere, it is not observable now, but it will appear in August. It locates somewhat low in the Southern Hemisphere. But it will become high in autumn. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   6 50.51  -11  5.5   1.852   1.262    40   10.2  21:01 ( 95,-26)  
June 20   6 57.65  -11 27.1   2.024   1.379    38   10.8  21:04 ( 98,-31)

* 88P/Howell

Now it is 11.1 mag (May 29, Toru Yusa). Fading gradually. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   1 31.06    5 52.4   1.927   1.643    58   10.9   2:58 (272, 14)  
June 20   1 45.38    7 15.5   1.915   1.683    61   11.1   2:59 (273, 17)

* 78P/Gehrels 2

It stays 12 mag for a while. In the Northern Hemisphere, it is not observable now, but it will be observable soon. 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)  
June 13   3 20.83   17 48.5   2.831   2.007    29   12.4   2:58 (247, -1)  
June 20   3 37.85   18 34.9   2.796   2.005    31   12.4   2:59 (248,  1)

* C/2023 R1 ( PanSTARRS )

Now it is 12.7 mag (June 10, Osamu Miyazaki). Fading slowly. It stays observable in good condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  17 34.43   -7 10.0   2.626   3.612   163   13.3   0:12 (  0, 48)  
June 20  17 17.02   -7 53.9   2.642   3.623   162   13.4  23:21 (  0, 47)

* 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 August. In the Southern Hemisphere, it will be getting higher gradually. It is expected to brighten up to 11 mag in winter. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   4 22.85  -15 32.5   5.477   4.763    41   13.7   2:58 (266,-33)  
June 20   4 29.83  -15  0.2   5.415   4.729    43   13.6   2:59 (269,-29)

* C/2024 J3 ( ATLAS )

Now it is 14.1 mag (May 29, Toru Yusa). 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)  
June 13  20  9.63   32 33.1   3.641   4.125   111   13.7   2:46 (  0, 88)  
June 20  20  3.76   34 31.7   3.581   4.104   114   13.7   2:13 (  0, 90)

* 29P/Schwassmann-Wachmann 1

Now it is 12.9 mag (June 6, Toru Yusa). 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)  
June 13  11  3.22   -1  2.8   6.310   6.316    85   14.0  21:01 ( 64, 30)  
June 20  11  5.33   -1 11.9   6.420   6.316    79   14.0  21:04 ( 69, 25)

* 141P/Machholz 2

The condition is very bad in this apparition. It is not observable at all. Fading rapidly. 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)  
June 13   6 18.31   18  4.1   2.095   1.134    13   14.2  21:01 (124,-13)  
June 20   6 45.92   17  0.7   2.167   1.207    14   14.8  21:04 (123,-15)

* P/2021 N1 ( ZTF )

First return of a new periodic comet which brightened up to 17 mag in 2021. It will approach to Earth down to 0.17 a.u. from June to July. It is expected to brighten up to 14 mag. It brightens up to 14 mag, but it will turn to fade out rapidly after that. It will be fainter than 18 mag in October. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it will be getting lower gradually. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  21 53.16  -47  4.3   0.232   1.155   121   15.0   2:58 (345,  5)  
June 20  23  5.30  -37 59.1   0.193   1.106   113   14.4   2:59 (334, 10)

* C/2014 UN271 ( Bernardinelli-Bernstein )

Very large comet. It is expected to brighten up to 13 mag in 2031. Now it is 14.9 mag (May 19, 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)  
June 13   5 58.23  -68  1.3  13.835  13.897    91   14.6  21:01 ( 25,-46)  
June 20   6  5.21  -67 59.7  13.813  13.876    91   14.6  21:04 ( 24,-48)

* 63P/Wild 1

Now it is 14.8 mag (June 10, Toru Yusa). It stays 15 mag for a while. It will be unobservable in July 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)  
June 13   9 10.25   22 23.2   2.447   1.988    51   14.8  21:01 (103, 21)  
June 20   9 25.16   20 19.0   2.491   1.981    49   14.7  21:04 (103, 17)

* 260P/McNaught

It will brighten up to 13 mag and will be observable in good condition from summer to autumn. Now it is 15.8 mag (June 5, ATLAS-MLO, Mauna Loa). Brightening slowly. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it will be getting lower gradually. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   0 45.03   -0 24.0   1.518   1.536    71   15.0   2:58 (285, 20)  
June 20   1  3.66    2 41.9   1.457   1.508    72   14.7   2:59 (284, 23)

* 235P/LINEAR

It became brighter than expected. Now it is 14.5 mag (June 10, Toru Yusa). It will fade out rapidly after this. It will be fainter than 18 mag in August. It stays observable in good condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  16 48.59   -8 16.3   1.388   2.377   162   14.9  23:21 (  0, 47)  
June 20  16 43.92   -8  6.2   1.435   2.405   157   15.1  22:49 (  0, 47)

* C/2022 QE78 ( ATLAS )

Now it is 15.2 mag (May 18, 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. But it will be observable again in September in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   9 33.33   30 54.4   6.347   5.831    55   15.2  21:01 (109, 30)  
June 20   9 38.70   30 38.3   6.445   5.849    50   15.2  21:04 (111, 25)

* C/2024 R4 ( PanSTARRS )

Now it is 15.4 mag (June 6, ATLAS-MLO, Mauna Loa). 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)  
June 13  22  7.89   41 16.0   5.893   5.945    87   15.3   2:58 (245, 68)  
June 20  22  4.11   42 33.5   5.781   5.909    92   15.2   2:59 (237, 74)

* C/2021 G2 ( ATLAS )

Now it is 15.3 mag (May 25, Ken-ichi Kadota). 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)  
June 13  17 12.80   15 34.4   6.090   6.910   141   15.3  23:46 (  0, 71)  
June 20  17 10.06   15 49.2   6.142   6.945   139   15.4  23:15 (  0, 71)

* C/2022 N2 ( PanSTARRS )

Now it is 15.8 mag (May 7, Ken-ichi Kadota). It stays 16 mag for a while. Now it is not observable. It will appear 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)  
June 13   5 39.91   26 59.9   5.711   4.701     5   15.5  21:01 (137,-13)  
June 20   5 48.40   27  0.8   5.748   4.735     3   15.6   2:59 (221,-15)

* 123P/West-Hartley

Now it is 17.6 mag (May 17, Kunihiro Shima). It stays 15 mag for a while. In the Northern Hemisphere, it will be unobservable soon. But it will be observable again in September. In the Southern Hemisphere, it is not observable now. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   7  2.06   32 50.4   3.188   2.295    23   15.7  21:01 (128,  4)  
June 20   7 18.98   32 27.5   3.197   2.277    21   15.6  21:04 (130,  1)

* 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, or in October in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   5 10.10   30 37.0   2.741   1.741     8   15.8   2:58 (221,-10)  
June 20   5 32.49   30 53.4   2.758   1.760     8   15.9   2:59 (221, -9)

* 24P/Schaumasse

It brightened up to 8.4 mag in January (Jan. 14, Mitsunori Tsumura). Now it is 15.2 mag (June 10, Toru Yusa). Fading rapidly. It will be fainter than 18 mag in July. 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)  
June 13  14 15.81   -5 30.7   1.392   2.200   131   15.9  21:01 (  4, 49)  
June 20  14 17.10   -6 38.3   1.511   2.260   125   16.3  21:04 ( 15, 47)

* C/2025 Y1 ( ATLAS )

Now it is 16.3 mag (June 5, ATLAS-MLO, Mauna Loa). It stays 16 mag for a while. It will be getting lower gradually after this, and it will be unobservable in September. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  12 39.71    4 39.7   5.055   5.415   105   16.4  21:01 ( 45, 51)  
June 20  12 40.18    4 33.7   5.108   5.362    98   16.3  21:04 ( 54, 46)

* C/2024 G6 ( ATLAS )

Now it is 16.6 mag (May 26, 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 getting lower gradually after this, and it will be unobservable in October. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  15 33.58   13 55.5   5.727   6.475   134   16.5  22:06 (  0, 69)  
June 20  15 28.49   14 25.2   5.802   6.481   128   16.6  21:34 (  0, 69)

* 169P/NEAT

It will approach to Earth down to 0.17 a.u. in August. It is expected to brighten up to 10 mag from August to September. Now it is 17.6 mag (June 5, ATLAS-MLO, Mauna Loa). It will brighten rapidly after this. It will be getting lower gradually after this, and it will be unobservable in August. But it will be observable again in 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)  
June 13  19 35.86    3 13.4   0.784   1.684   138   17.0   2:13 (  0, 58)  
June 20  19 32.82    5 37.2   0.676   1.604   142   16.6   1:42 (  0, 61)

* C/2022 R6 ( PanSTARRS )

Now it is 16.5 mag (May 22, ATLAS Chile). It stays 17 mag for a while. It will be unobservable soon in the Northern Hemisphere, or in August in the Southern Hemisphere. But it will be observable again in September. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   8 53.18    4  9.0   7.396   6.848    53   16.7  21:01 ( 90,  8)  
June 20   8 57.18    4 25.8   7.495   6.862    48   16.7  21:04 ( 94,  2)

* C/2025 A6 ( Lemmon )

It brightened up to 3.7 mag in late October (Oct. 26, Juan Jose Gonzalez). Now it is 16.5 mag (June 6, Andrew Pearce). It will fade out rapidly after this. It will be fainter than 18 mag in July. In the Northern Hemisphere, it will be unobservable soon. In the Southern Hemisphere, it stays observable in good condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  10 47.86  -36 10.0   3.233   3.500    96   16.9  21:01 ( 41,  2)  
June 20  10 49.76  -34 45.0   3.413   3.582    91   17.2  21:04 ( 46, -1)

* C/2025 M2 ( PanSTARRS )

It is expected to brighten up to 12 mag from 2027 to 2028. Now it is 16.8 mag (June 2, 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)  
June 13  20 45.15  -17 28.5   4.979   5.716   132   17.1   2:58 (353, 37)  
June 20  20 38.99  -17 47.1   4.840   5.664   140   17.0   2:48 (  0, 37)

* C/2025 Q3 ( ATLAS )

It brightened up to 14.1 mag in early 2026 (Jan. 16, Kunihiro Shima). It will fade out rapidly after this. 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)  
June 13   5 22.67  -38 48.0   2.763   2.455    61   17.0   2:58 (290,-54)  
June 20   5 40.86  -40 46.3   2.764   2.497    64   17.1   2:59 (293,-53)

* 65P/Gunn

Now it is 18.0 mag (May 24, Andrew Pearce). It stays 17 mag for a while. In the Northern Hemisphere, it will be getting higher gradually. In the Southern Hemisphere, it stays observable in good condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   0 30.97   -6  4.2   3.466   3.388    77   17.0   2:58 (292, 19)  
June 20   0 36.35   -5 42.3   3.385   3.403    82   17.0   2:59 (295, 23)

* C/2026 A2 ( Bok )

It will brighten up to 14 mag from autumn to winter. Now it is 17.2 mag (June 6, ATLAS-MLO, Mauna Loa). Brightening 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)  
June 13  18  4.44   76  7.3   2.977   2.983    80   17.1   0:40 (180, 49)  
June 20  17 49.18   77 19.8   2.939   2.925    79   17.0  23:51 (180, 48)

* C/2024 G4 ( PanSTARRS )

Now it is 17.6 mag (May 25, Alfons Diepvens). It stays 17 mag for a while. It stays observable in good condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  20 22.27    4 12.6   4.246   4.943   128   17.1   2:58 (  0, 59)  
June 20  20 21.27    4  2.8   4.184   4.951   134   17.1   2:30 (  0, 59)

* C/2025 E1 ( PanSTARRS )

Now it is 17.2 mag (June 2, 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)  
June 13   8 38.24  -62 49.6   3.893   4.094    94   17.1  21:01 ( 32,-30)  
June 20   8 42.77  -62 40.9   3.910   4.082    92   17.1  21:04 ( 33,-32)

* C/2022 E2 ( ATLAS )

It was observed at 12-13 mag for a long time in 2024. Now it is 17.2 mag (May 17, ATLAS-HKO, Haleakala). 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)  
June 13  23 11.45   31 46.1   6.583   6.493    80   17.3   2:58 (263, 55)  
June 20  23  9.24   31 59.3   6.522   6.537    86   17.3   2:59 (266, 61)

* C/2023 X2 ( Lemmon )

Now it is 17.0 mag (May 17, Kunihiro Shima). It stays 18 mag for a while. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will never be observable after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  13 16.64   81 53.1   5.489   5.244    70   17.3  21:01 (176, 43)  
June 20  13 17.51   80 13.4   5.510   5.257    70   17.4  21:04 (174, 44)

* 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)  
June 13   0 43.50  -42 37.4  11.374  11.455    92   17.4   2:58 (317, -8)  
June 20   0 43.71  -42 47.4  11.303  11.471    96   17.4   2:59 (321, -4)

* P/2012 K3 ( Gibbs )

It was observed at 17 mag in 2012. It was not recovered at the previous return in 2019. It stays 18 mag for a while. It stays observable in good condition. Now it is fainter than 20 mag (May 24, Jean-Francois Soulier). 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  20 22.45  -11 31.6   1.265   2.116   135   17.8   2:58 (  0, 44)  
June 20  20 23.59  -12 10.3   1.212   2.111   142   17.7   2:33 (  0, 43)

* C/2023 F3 ( ATLAS )

Now it is 17.5 mag (May 17, Kunihiro Shima). It stays 18 mag for a while. In the Northern Hemisphere, it will be unobservable soon. In the Southern Hemisphere, it will be getting lower gradually. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   9  1.35   -5 12.2   6.804   6.360    60   17.7  21:01 ( 81,  4)  
June 20   9  2.61   -4 45.1   6.931   6.389    54   17.8  21:04 ( 85, -2)

* C/2023 H5 ( Lemmon )

Now it is 17.8 mag (May 25, Alfons Diepvens). It stays 18 mag for a while. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will never be observable after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  22 12.53   66 48.7   5.320   5.160    75   17.7   2:58 (198, 54)  
June 20  22  8.54   67 10.0   5.308   5.190    77   17.7   2:59 (193, 56)

* C/2026 C1 ( Tsuchinshan )

It is expected to brighten up to 4 mag in 2028 autumn. Now it is 17.9 mag (June 5, ATLAS-MLO, Mauna Loa). It stays 18 mag for a while. It will be getting lower gradually after this, and it will be unobservable in August in the Northern Hemisphere, or in September in the Southern Hemisphere. 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)  
June 13  12  6.43    7 33.9   8.901   9.076    96   17.8  21:01 ( 58, 48)  
June 20  12  5.67    7 24.1   8.966   9.023    89   17.8  21:04 ( 65, 42)

* 218P/LINEAR

It will fade out rapidly after this. It stays observable in good condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13  23 33.65   -0 33.6   1.346   1.656    87   17.9   2:58 (298, 33)  
June 20  23 40.66    0  7.5   1.330   1.712    92   18.2   2:59 (302, 37)

* 195P/Hill

Now it is 17.6 mag (June 8, ATLAS Chile). It stays 18 mag for a while. It stays extremely low in the Northern Hemisphere. In the Southern Hemisphere, it will be getting lower gradually. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
June 13   9 49.29  -23 10.3   4.733   4.655    79   17.9  21:01 ( 59,  2)  
June 20   9 55.18  -22 53.1   4.825   4.665    74   18.0  21:04 ( 63, -2)

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