Weekly Information about Bright Comets (2025 Feb. 15: South)

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Updated on February 15, 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.

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* 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. Now it is 6.5 mag (Feb. 9, Marco Goiato). Fading rapidly. In the Northern Hemisphere, it will never be observable after this. It stays extremely 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)  
Feb. 15  23 11.64  -38 29.0   1.750   1.037    30    8.4  20:24 ( 51, 12)  
Feb. 22  23 30.53  -39 30.3   1.891   1.191    33    9.1  20:14 ( 50, 13)  

* 21P/Giacobini-Zinner

It is visible at 11 mag in the SWAN images (Jan. 27, Vladimir Bezugly). Fading gradually. Now it is not observable.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  21 39.83    0  3.1   2.085   1.147    13   11.4   4:02 (288,-24)  
Feb. 22  22  8.29    0 52.0   2.055   1.104    11   11.1   4:11 (286,-23)  

* C/2023 A3 ( Tsuchinshan-ATLAS )

It brightened up to -3 mag due to the forward scattering on Oct. 9 in the SOHO coronagraph images (Q.-c. Zhang, Charles S. Morris). It became a great comet of 0 mag on the ground. Now it is 11.0 mag (Jan. 28, Ken-ichi Kadota). Fading slowly. In the Northern Hemisphere, it will be getting higher gradually. 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)  
Feb. 15  20 14.51   11 21.0   3.389   2.634    34   11.8   4:02 (265,-13)  
Feb. 22  20 17.96   12 21.2   3.441   2.731    37   12.0   4:11 (260, -7)  

* 249P/LINEAR

It has not been observed yet in this apparition. It will fade out rapidly after this. It will be fainter than 18 mag in April. Now it is not observable. It will appear in March in the Northern Hemisphere. 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)  
Feb. 15  22 23.05   -6 56.1   1.529   0.577     9   12.6  20:24 ( 70,-16)  
Feb. 22  23  7.63   -2 37.9   1.576   0.661    13   13.6  20:14 ( 77,-14)  

* 13P/Olbers

It returned for the first time in 68 years. It brightened up to 6.2 mag in early last summer (July 1, Virgilio Gonano). Now it is 14.6 mag (Feb. 8, Ken-ichi Kadota). 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)  
Feb. 15  18 20.07  -19  6.5   3.743   3.223    51   13.6   4:02 (275, 27)  
Feb. 22  18 26.19  -19 32.5   3.723   3.293    57   13.7   4:11 (271, 34)  

* 29P/Schwassmann-Wachmann 1

Now it is 12.6 mag (Feb. 14, Toru Yusa). It stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   9 54.69    9 38.7   5.276   6.262   176   13.6   0:16 (180, 45)  
Feb. 22   9 51.48    9 50.8   5.281   6.263   172   13.6  23:41 (180, 45)  

* C/2022 E2 ( ATLAS )

Now it is 14.1 mag (Feb. 8, Thomas Lehmann). Fading slowly. In the Northern Hemisphere, it will be getting lower gradually. But it will be getting higher again after April. In the Southern Hemisphere, it is not observable now.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   1 24.97   51 50.5   3.982   3.916    79   13.6  20:24 (143,-16)  
Feb. 22   1 24.66   50 46.8   4.113   3.938    72   13.7  20:14 (140,-18)  

* C/2021 G2 ( ATLAS )

Now it is 14.1 mag (Feb. 8, Ken-ichi Kadota). 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)  
Feb. 15  15 28.90  -16 42.2   4.997   5.130    92   14.1   4:02 (240, 60)  
Feb. 22  15 31.30  -16  7.7   4.898   5.143    98   14.1   4:11 (226, 65)  

* 12P/Pons-Brooks

It returns for the first time in 70 years. It brightened up to 3.7 mag in early April in 2024 (Apr. 6, 2024, Jose Guilherme Aguiar). Now it is 15.0 mag (Jan. 10, Thomas Lehmann). It stays 15 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)  
Feb. 15  17 11.74  -49 37.2   4.402   4.130    67   14.4   4:02 (308, 49)  
Feb. 22  17 14.67  -49 54.1   4.372   4.199    73   14.5   4:11 (309, 55)  

* P/2023 S1

Now it is 14.4 mag (Feb. 4, Ken-ichi Kadota). Fading slowly. It stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   8 44.87   18 37.3   1.662   2.620   162   14.5  23:02 (180, 36)  
Feb. 22   8 40.15   18 26.1   1.693   2.620   154   14.5  22:30 (180, 37)  

* C/2022 QE78 ( ATLAS )

Now it is 14.1 mag (Jan. 22, Toshiyuki Takahashi). It stays 15 mag for a while. In the Northern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in June. In the Southern Hemisphere, it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   6 16.59    9  3.9   5.041   5.686   126   14.6  20:34 (180, 46)  
Feb. 22   6 16.05    9 45.8   5.115   5.673   119   14.6  20:14 (177, 45)  

* C/2022 N2 ( PanSTARRS )

It is expected to brighten up to 13 mag in autumn, and it will be observable in good condition. Now it is 14.9 mag (Feb. 4, A. Diepvens). It stays 14 mag for a while. In the Northern Hemisphere, it will be unobservable in March. But it will be observable again in May. In the Southern Hemisphere, it is not observable now, but it will appear in May.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  23 47.37    2 12.9   4.900   4.095    31   14.6  20:24 ( 89, -5)  
Feb. 22  23 55.20    3  5.5   4.930   4.074    27   14.6  20:14 ( 89, -8)  

* C/2023 C2 ( ATLAS )

It brightened up to 12.7 mag in last summer (Aug. 7, Thomas Lehmann). Now it is 14.2 mag (Dec. 10, Ken-ichi Kadota). It stays 15 mag for a while. Now it is not observable. It will appear soon in the Northern Hemisphere, or in March in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  21 21.74    1 19.4   3.505   2.571    16   14.6   4:02 (284,-21)  
Feb. 22  21 32.15    3 30.6   3.522   2.602    18   14.7   4:11 (278,-17)  

* 48P/Johnson

Now it is 16.6 mag (Oct. 9, Hidetaka Sato). It stays 15 mag for a while. Now it is not observable. It will appear in March in the Southern Hemisphere, or in June in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  21 42.72  -18  5.3   2.990   2.010     5   14.8   4:02 (303,-12)  
Feb. 22  21 59.99  -16 59.5   2.981   2.008     8   14.7   4:11 (299,-10)  

* C/2024 J2 ( Wierzchos )

Brightened rapidly. Now it is 14.6 mag (Jan. 31, Thomas Lehmann). It stays 15 mag for a while. In the Northern Hemisphere, it will be unobservable in April. In the Southern Hemisphere, it is not observable now, but it will appear in May.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  21 51.18   26 12.6   2.519   1.858    38   14.9   4:02 (263,-40)  
Feb. 22  22 12.25   25 11.3   2.553   1.840    35   14.8   4:11 (263,-37)  

* 49P/Arend-Rigaux

Now it is 14.7 mag (Jan. 17, Thomas Lehmann). It stays 15 mag for a while. It locates somewhat low.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   1 42.48   -4 45.4   1.852   1.553    56   15.1  20:24 (101, 22)  
Feb. 22   1 59.07   -2 10.1   1.864   1.525    54   14.9  20:14 (103, 21)  

* C/2024 L5 ( ATLAS )

Now it is 15.7 mag (Feb. 4, Ken-ichi Kadota). It stays 15 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)  
Feb. 15  14 54.96  -31 14.3   3.200   3.439    95   15.2   4:02 (262, 74)  
Feb. 22  14 45.35  -31  9.8   3.054   3.435   104   15.1   4:11 (240, 83)  

* C/2023 Q1 ( PanSTARRS )

Now it is 15.1 mag (Feb. 8, Thomas Lehmann). Fading gradually. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it is not observable now, but it will appear in April.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   7 43.25   69 32.6   2.072   2.701   119   15.3  22:02 (180,-14)  
Feb. 22   7 43.36   67 36.0   2.127   2.724   117   15.4  21:35 (180,-12)  

* C/2014 UN271 ( Bernardinelli-Bernstein )

Very large comet. It is expected to brighten up to 13 mag in 2031. Now it is 15.1 mag (Feb. 5, 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)  
Feb. 15   3 32.65  -68 23.6  15.644  15.438    76   15.4  20:24 ( 21, 50)  
Feb. 22   3 33.90  -68  2.5  15.623  15.415    76   15.3  20:14 ( 23, 49)  

* 496P/2024 S3 ( Hill )

First return of a new periodic comet which brightened up to 15 mag in 2010. Now it is 15.7 mag (Feb. 1, Francois Kugel). Fading slowly. 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)  
Feb. 15   3 14.53   26 34.4   1.363   1.643    87   15.4  20:24 (141, 16)  
Feb. 22   3 30.65   28 22.5   1.404   1.632    84   15.4  20:14 (142, 15)  

* C/2023 T3 ( Fuls )

Now it is 15.9 mag (Feb. 4, Ken-ichi Kadota). It stays 16 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)  
Feb. 15  13 19.16  -35 26.1   3.069   3.553   111   15.6   3:40 (  0, 89)  
Feb. 22  13 20.91  -35 47.5   2.993   3.557   117   15.6   3:14 (  0, 89)  

* 43P/Wolf-Harrington

Now it is 15.7 mag (Jan. 17, Purple Mountain Observatory, XuYi Station). It stays 15 mag for a while. It will be unobservable in May.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   2 24.23   15  9.4   2.857   2.727    72   15.6  20:24 (124, 17)  
Feb. 22   2 33.19   15 34.6   2.924   2.707    67   15.6  20:14 (123, 16)  

* 37P/Forbes

It brightened up to 12.3 mag in autumn (Oct. 31, Thomas Lehmann). It will fade out rapidly after this. It will be fainter than 18 mag in May. It will never be observable after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  22 45.69   -4  8.8   2.950   2.015    15   15.6  20:24 ( 75,-14)  
Feb. 22  23  0.59   -2 22.0   3.006   2.052    12   15.9  20:14 ( 76,-16)  

* C/2023 H5 ( Lemmon )

Now it is 15.9 mag (Jan. 23, Ken-ichi Kadota). It stays 16 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)  
Feb. 15  12 18.39   52 41.9   3.747   4.455   130   15.7   2:39 (180,  3)  
Feb. 22  12 12.89   55  0.9   3.739   4.441   130   15.7   2:06 (180,  0)  

* C/2024 A1 ( ATLAS )

Now it is 15.8 mag (Jan. 18, Ken-ichi Kadota). 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 June. In the Southern Hemisphere, it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   6 45.90  -11 15.8   3.332   4.011   127   15.8  21:03 (180, 66)  
Feb. 22   6 40.75   -8 55.4   3.383   3.996   121   15.9  20:31 (180, 64)  

* 472P/2023 RL75 ( NEAT-LINEAR )

Now it is 15.8 mag (Jan. 10, Taras Prystavski). Fading gradually. It will be fainter than 18 mag in June. It stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   6  7.67   10 29.7   3.050   3.702   124   15.9  20:26 (180, 44)  
Feb. 22   6  8.49   10 48.1   3.152   3.722   118   16.1  20:14 (175, 44)  

* C/2023 F3 ( ATLAS )

Now it is 16.3 mag (Jan. 17, ATLAS Chile). It stays 16 mag for a while. It stays extremely low in the Northern Hemisphere. But it will become high in winter. In the Southern Hemisphere, it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  13  3.94  -47 24.8   4.825   5.192   106   16.1   3:25 (  0, 77)  
Feb. 22  12 53.55  -47 31.5   4.726   5.193   112   16.0   2:47 (  0, 77)  

* C/2017 K2 ( PanSTARRS )

It brightened up to 8 mag from 2022 summer to 2023 spring. Now it is 15.6 mag (Jan. 23, Toshihiko Ikemura, Hirohisa Sato). It stays 17 mag for a while. It will be getting lower gradually after this, and it will be unobservable in May.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   5 24.43   22 39.9   7.503   7.980   115   16.1  20:24 (169, 31)  
Feb. 22   5 23.08   22 52.1   7.668   8.033   108   16.2  20:14 (164, 30)  

* C/2022 R6 ( PanSTARRS )

Now it is 16.2 mag (Jan. 18, Ken-ichi Kadota). 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 May. In the Southern Hemisphere, it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   6 41.20  -26  3.5   6.154   6.692   119   16.2  20:59 (180, 81)  
Feb. 22   6 40.26  -25  5.6   6.194   6.683   115   16.2  20:30 (180, 80)  

* P/2019 Y3 ( Catalina )

It will approach to Earth down to 0.3 a.u. in March, and it is expected to brighten up to 16 mag. Now it is 17.6 mag (Feb. 4, J. M. Bosch). It will turn to fade out rapidly after the peak. It will be fainter than 18 mag in May. 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)  
Feb. 15   2 48.20   -2 30.7   0.446   0.961    73   16.6  20:24 (115, 33)  
Feb. 22   2 59.30    6 25.1   0.401   0.941    71   16.2  20:14 (121, 26)  

* 65P/Gunn

Now it is 16.3 mag (Feb. 5, Thomas Lehmann). Brightening 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)  
Feb. 15  17 41.98  -24 24.8   3.351   2.988    60   16.4   4:02 (276, 37)  
Feb. 22  17 52.02  -24 42.3   3.259   2.981    65   16.3   4:11 (273, 43)  

* (3200) Phaethon

Parent asteroid of Geminids meteor shower. Now it is 16.0 mag (Nov. 30, Katsumi Yoshimoto). It brightens up to 13.5 mag, but it will turn to fade out rapidly after that. It will be fainter than 18 mag in June. It will be unobservable in March. But it will be observable again in May in the Northern Hemisphere, or in June in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   1 32.30   11 18.1   1.086   1.030    59   16.6  20:24 (112, 10)  
Feb. 22   1 34.04    9 59.1   1.072   0.910    52   16.4  20:14 (108,  8)  

* 30P/Reinmuth 1

Now it is 17.5 mag (Jan. 25, Toshihiko Ikemura, Hirohisa Sato). Fading slowly. It will be fainter than 18 mag in June. It stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  14 59.75   -7  0.5   2.001   2.402   101   16.5   4:02 (217, 57)  
Feb. 22  15  3.83   -6 51.1   1.951   2.438   107   16.5   4:11 (203, 60)  

* C/2024 B1 ( Lemmon )

It brightened up to 13.1 mag in autumn (Nov. 1, Thomas Lehmann). Now it is 15.9 mag (Feb. 9, Thomas Lehmann). Fading gradually. It will be fainter than 18 mag in May. 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)  
Feb. 15  17 57.11   15 10.8   2.593   2.350    64   16.5   4:02 (242, 11)  
Feb. 22  18  1.56   14 48.6   2.584   2.412    68   16.7   4:11 (237, 17)  

* 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 16.4 mag (Feb. 4, ATLAS Chile). It stays 17 mag for a while. In the Northern Hemisphere, it will be unobservable in May. In the Southern Hemisphere, it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   5 35.95  -33  2.3   6.244   6.544   103   16.5  20:24 (105, 83)  
Feb. 22   5 34.23  -31 47.4   6.352   6.592    99   16.6  20:14 (104, 79)  

* C/2020 V2 ( ZTF )

It was observed at 9-10 mag for a long time in 2023. Now it is 15.8 mag (Dec. 7, A. Pearce). It stays 17 mag for a while. In the Northern Hemisphere, it will never be observable after this. In the Southern Hemisphere, it will be getting higher gradually.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  21 41.24  -60  9.9   7.347   6.718    47   16.6   4:02 (333, 17)  
Feb. 22  21 46.28  -60 12.0   7.361   6.772    50   16.6   4:11 (331, 20)  

* C/2019 U5 ( PanSTARRS )

Now it is 16.0 mag (Feb. 6, ATLAS Chile). It stays 17 mag for a while. In the Northern Hemisphere, it will be unobservable in April. In the Southern Hemisphere, it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   5 37.64  -47 24.0   6.621   6.816    97   16.6  20:24 ( 22, 76)  
Feb. 22   5 32.97  -46 26.7   6.710   6.861    94   16.7  20:14 ( 37, 75)  

* C/2024 J3 ( ATLAS )

It will brighten up to 13 mag in 2026. Now it is 17.1 mag (Sept. 21, ATLAS Chile). Brightening slowly. It locates somewhat low in the Northern Hemisphere. But it will become high in summer. In the Southern Hemisphere, it will be getting higher gradually.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  19 28.29  -27  8.4   7.358   6.595    36   16.7   4:02 (291, 18)  
Feb. 22  19 31.92  -26 40.4   7.241   6.553    42   16.7   4:11 (287, 24)  

* 105P/Singer Brewster

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)  
Feb. 15  18  4.19  -17  6.0   2.452   2.060    55   16.7   4:02 (271, 29)  
Feb. 22  18 19.62  -16 39.0   2.397   2.065    58   16.7   4:11 (267, 34)  

* C/2019 L3 ( ATLAS )

It brightened up to 8.3 mag in 2021-2022 winter (Jan. 6, 2022, Toshiyuki Takahashi). Now it is 17.1 mag (Dec. 30, 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)  
Feb. 15  12 34.22  -59 28.9   9.416   9.651   100   16.7   2:55 (  0, 65)  
Feb. 22  12 31.42  -59 48.7   9.389   9.695   105   16.8   2:25 (  0, 65)  

* 195P/Hill

Now it is 16.6 mag (Feb. 1, A. Pearce, P. Camilleri). It stays 17 mag for a while. In the Northern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in May. In the Southern Hemisphere, it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   6 21.07   -8 30.5   3.893   4.508   123   16.9  20:39 (180, 64)  
Feb. 22   6 19.97   -8 14.5   3.963   4.503   117   16.9  20:14 (178, 63)  

* C/2019 E3 ( ATLAS )

Very far object. Now it is 16.9 mag (Dec. 20, ATLAS Chile). It stays 17 mag for a while. In the Northern Hemisphere, it is not observable now. 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)  
Feb. 15   0 49.74  -58 10.7  11.118  10.599    56   17.0  20:24 ( 39, 35)  
Feb. 22   0 51.82  -57 28.9  11.139  10.607    55   17.0  20:14 ( 39, 32)  

* P/2008 Y12 = P/2014 K3 ( SOHO )

It will approach to Sun down to 0.07 a.u. on Mar. 3. Now it is not observable. It will appear in March in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  21 29.46  -14 39.1   1.608   0.635     6   19.1   4:02 (298,-12)  
Feb. 22  22  2.41  -10 40.7   1.406   0.427     4   17.0   4:11 (294,-14)  

* C/2024 M1 ( ATLAS )

Almost stellar. It brightened up to 13.7 mag from late November to early December (Dec. 5, Toshihiko Ikemura, Hirohisa Sato). Now it is 17.6 mag (Feb. 8, Thomas Lehmann). Fading slowly. It will be fainter than 18 mag in March. 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)  
Feb. 15   2 20.42   52  2.7   1.831   2.025    86   17.1  20:24 (149,-10)  
Feb. 22   2 23.76   53 29.5   1.967   2.072    81   17.3  20:14 (148,-13)  

* C/2024 Y1 ( Masek )

Now it is 15.8 mag (Jan. 24, Martin Masek). Fading rapidly. It will be fainter than 18 mag soon. 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)  
Feb. 15   3 58.12  -16 58.1   1.330   1.619    87   17.2  20:24 (115, 56)  
Feb. 22   4 13.12  -10 51.4   1.464   1.712    86   17.7  20:14 (122, 52)  

* 32P/Comas Sola

It brightened up to 13.5 mag in last winter (Dec. 5, 2023, Chris Wyatt). Now it is 18.3 mag (Jan. 25, Hidenori Nohara). Fading slowly. It will be fainter than 18 mag in May. It stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  14 30.83   -8  2.0   2.736   3.184   108   17.2   4:02 (206, 61)  
Feb. 22  14 31.54   -8  4.8   2.677   3.222   114   17.3   4:11 (188, 63)  

* C/2024 E1 ( Wierzchos )

It is expected to brighten up to 5 mag in 2026 January. Now it is 17.1 mag (Feb. 8, Ken-ichi Kadota). Brightening gradually. In the Northern Hemisphere, it stays observable in good condition. 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)  
Feb. 15  18  1.94   42 50.6   4.986   4.856    76   17.4   4:02 (222, -8)  
Feb. 22  18  7.46   43 34.6   4.878   4.783    78   17.2   4:11 (218, -4)  

* C/2022 L2 ( ATLAS )

Now it is 16.9 mag (Feb. 3, ATLAS South Africa). Fading slowly. It will be fainter than 18 mag in April. 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)  
Feb. 15   6 43.07  -37 13.7   3.844   4.325   112   17.3  21:00 (  0, 88)  
Feb. 22   6 33.88  -35 29.1   3.943   4.375   109   17.4  20:23 (  0, 90)  

* C/2024 G2 ( ATLAS )

Now it is 17.3 mag (Feb. 1, E. Cortes). It stays 17 mag for a while. It stays extremely low in the Northern Hemisphere. But it will become high in autumn. In the Southern Hemisphere, it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  12 36.15  -48  7.8   5.013   5.420   109   17.3   2:57 (  0, 77)  
Feb. 22  12 28.85  -47 40.5   4.913   5.412   115   17.3   2:22 (  0, 77)  

* 276P/Vorobjov

Now it is 17.2 mag (Jan. 22, Ken-ichi Kadota). It stays 18 mag for a while. It will be unobservable in May.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   2 57.91    9 39.2   3.981   3.910    78   17.3  20:24 (126, 27)  
Feb. 22   3  3.12    9 59.2   4.084   3.913    73   17.4  20:14 (124, 25)  

* 242P/Spahr

Now it is 17.3 mag (Jan. 28, ATLAS South Africa). It stays 18 mag for a while. In the Northern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in May. In the Southern Hemisphere, it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   3 53.48  -11 58.2   3.902   3.979    87   17.5  20:24 (119, 52)  
Feb. 22   3 57.18  -11  8.6   3.991   3.981    82   17.5  20:14 (117, 49)  

* (308607) 2005 WY3

Peculiar asteroid moving along a cometary orbit. Now it is 18.5 mag (Sept. 11, ATLAS-HKO, Haleakala). It stays 17 mag for a while. In the Northern Hemisphere, it will be getting lower gradually after this, and it will be unobservable in May. In the Southern Hemisphere, it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   3 39.12  -10 54.1   2.107   2.233    84   17.5  20:24 (117, 49)  
Feb. 22   3 46.81   -9 47.4   2.135   2.192    80   17.5  20:14 (116, 46)  

* 487P/2024 N5 ( Siding Spring )

First return of a new periodic comet which brightened up to 16 mag in 2012. It brightened up to 14.3 mag from November to December (Nov. 28, A. Diepvens). Now it is 17.2 mag (Feb. 6, L. Hudin). It will fade out rapidly after this. It will be fainter than 18 mag soon. 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)  
Feb. 15   3 22.32   58 10.6   1.812   2.163    96   17.6  20:24 (160, -9)  
Feb. 22   3 37.36   58 30.3   1.911   2.200    93   17.9  20:14 (160,-10)  

* C/2021 S4 ( Tsuchinshan )

Now it is 17.3 mag (Feb. 4, ATLAS-HKO, Haleakala). 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)  
Feb. 15   7 14.37   41 26.2   6.462   7.195   135   17.7  21:32 (180, 14)  
Feb. 22   7 13.02   41 11.9   6.553   7.211   128   17.7  21:04 (180, 14)  

* C/2024 V1 ( Borisov )

Now it is 17.5 mag (Feb. 5, ATLAS-HKO, Haleakala). Fading slowly. It will be fainter than 18 mag in April. In the Northern Hemisphere, it stays observable in good condition. In the Southern Hemisphere, it will be unobservable soon. But it will be observable again in February.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   8 45.58   57 12.2   1.585   2.377   133   17.8  23:02 (180, -2)  
Feb. 22   8 29.45   53 52.3   1.589   2.360   131   17.7  22:19 (180,  1)  

* P/2015 CD60 ( LINEAR )

Now it is 18.0 mag (Feb. 4, Ken-ichi Kadota). It will fade out rapidly after this. It will be fainter than 18 mag soon. It stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   6 56.14   12 37.7   1.201   2.036   136   17.8  21:14 (180, 42)  
Feb. 22   6 58.43   11 57.9   1.270   2.054   130   18.0  20:49 (180, 43)  

* 130P/McNaught-Hughes

It brightened up to 14 mag from summer to autumn. Now it is 17.5 mag (Jan. 21, Thomas Lehmann). Fading slowly. In the Northern Hemisphere, it will be getting lower gradually. It stays extremely low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15   2 30.99   13 37.2   3.072   2.949    73   17.9  20:24 (124, 19)  
Feb. 22   2 38.74   14 24.0   3.198   2.982    68   18.0  20:14 (123, 17)  

* C/2022 U1 ( Leonard )

Now it is 17.8 mag (Nov. 12, ATLAS-HKO, Haleakala). It stays 18 mag for a while. 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)  
Feb. 15  19 40.58   13 24.5   5.679   4.991    42   17.9   4:02 (259, -7)  
Feb. 22  19 42.43   13 29.2   5.659   5.021    45   17.9   4:11 (254, -1)  

* 305P/Skiff

Now it is 17.1 mag (Jan. 13, Catalina Sky Survey). It will fade out rapidly after this. 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)  
Feb. 15   3 22.58   12 32.0   1.544   1.764    85   17.9  20:24 (134, 29)  
Feb. 22   3 40.41   13  9.6   1.648   1.811    82   18.2  20:14 (134, 28)  

* (431760) 2008 HE

It will approach to Sun down to 0.11 a.u. on Mar. 9. It becomes unobseravble temporarily in March. But it will be observable in good condition in April.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  20  1.87  -16 45.7   1.476   0.751    27   19.6   4:02 (286,  6)  
Feb. 22  20 49.08  -14 14.0   1.346   0.578    22   19.0   4:11 (286,  2)  

* 323P/SOHO

Now it is 20.9 mag (Feb. 6, Steward Observatory, Mt. Lemmon Station). It will approach to Sun down to 0.04 a.u. on Mar. 14. It approaches to Earth down to 0.2 a.u. in mid February, and it will be observable in good condition. It will be getting lower rapidly.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb. 15  17 20.29  -28 39.4   0.227   0.915    65   20.3   4:02 (277, 45)  
Feb. 22  20 49.52  -22 21.7   0.273   0.751    24   19.6   4:11 (292,  7)  

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