Weekly Information about Bright Comets (2023 Jan. 14: North)

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Updated on January 15, 2023
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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/2022 E3 ( ZTF )

Now it is very bright as 6.6 mag (Jan. 11, Osamu Miyazaki). It will approach to Earth down to 0.29 a.u. in February, and it brightens up to 5 mag. In the Northern Hemisphere, it stays observable in excellent condition for a long time. In the Southern Hemisphere, it is not observable until early February.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  15 46.74   40  8.8   0.672   1.112    82    6.6   5:38 (249, 59)  
Jan. 21  15 32.70   51 13.9   0.479   1.120    93    5.9   5:37 (224, 64)  

* C/2017 K2 ( PanSTARRS )

Now it is very bright as 8.1 mag (Jan. 9, Chris Wyatt). It is observable at 8 mag for a long time from 2022 to 2023. In the Southern Hemisphere, it stays observable for a long time, although it became low temporarily from November to December. In the Northern Hemisphere, it is not observable until summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  20  9.14  -69 11.6   2.332   1.826    47    7.8  18:39 ( 25,-32)  
Jan. 21  21  7.00  -70 30.4   2.295   1.844    51    7.8  18:45 ( 23,-31)  

* 96P/Machholz 1

It will approach to Sun down to 0.1 a.u. on Jan. 31. In the Northern Hemisphere, it will appear in the morning sky at 9 mag in mid February, then it stays observable while the comet will be fading. In the Southern Hemisphere, it stays observable for a long time, although it is not observable from mid January to mid February.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  20 35.34  -38 20.7   1.429   0.615    20   10.9  18:39 ( 55,-17)  
Jan. 21  21  0.68  -33 56.0   1.227   0.418    17    8.6  18:45 ( 60,-16)  

* C/2022 A2 ( PanSTARRS )

It brightened very rapidly. Now it is very bright as 9.6 mag (Jan. 2, Yoshimi Nagai). It stays 9-10 mag until March. In the Northern Hemisphere, it will be observable in good condition after this. In the Southern Hemisphere, it is not observable until June.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  17  4.52   55 15.3   1.616   1.795    83    9.6   5:38 (224, 46)  
Jan. 21  18  3.59   57 43.4   1.617   1.774    82    9.5   5:37 (221, 41)  

* C/2020 V2 ( ZTF )

Now it is 9.8 mag (Dec. 27, Carlos Labordena). It stays bright as 10 mag for a long time until autumn. In the Northern Hemisphere, it stays observable in good condition until autumn. In the Southern Hemipshere, it stays unobservable until summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   1 32.95   70 21.5   2.080   2.581   109    9.7  18:39 (174, 54)  
Jan. 21   1 28.53   64 46.5   2.122   2.543   103    9.7  18:45 (164, 58)  

* C/2022 U2 ( ATLAS )

It brightened very rapidly. Now it is very bright as 11.5 mag (Jan. 10, Katsumi Yoshimoto). It stays 11-12 mag until February. In the Northern Hemisphere, it stays observable in excellent condition. In the Southern Hemisphere, it is not observable until February.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   1 24.20   75 48.1   0.620   1.328   109   11.4  18:39 (176, 49)  
Jan. 21   3 12.33   68 55.7   0.580   1.332   114   11.3  19:17 (180, 57)  

* C/2019 L3 ( ATLAS )

It brightened up to 8.3 mag in last winter (Jan. 6, 2022, Toshiyuki Takahashi). Now it is fading. But it is bright as 11.1 mag still now (Jan. 2, Osamu Miyazaki).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   9 49.31  -32 37.1   4.294   4.831   117   11.4   2:18 (  0, 22)  
Jan. 21   9 45.04  -33 27.8   4.279   4.871   121   11.5   1:46 (  0, 21)  

* 81P/Wild 2

Now it is 11.7 mag (Dec. 26, Chris Wyatt). It stays 11-12 mag until spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  15  7.01  -14 53.2   1.779   1.625    64   11.6   5:38 (326, 33)  
Jan. 21  15 25.34  -15 53.7   1.743   1.639    67   11.6   5:37 (328, 33)  

* C/2020 K1 ( PanSTARRS )

Now it is 13.2 mag (Nov. 27, Ken-ichi Kadota). It is expected to brighten up to 11 mag in 2023. In the Southern Hemisphere, it stays observable in good condition for a long time, although it becomes unobservable temporarily from November to January. In the Northern Hemisphere, it is not observable until 2024 autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  18 39.22  -27 21.9   4.212   3.272    15   11.8   5:38 (297,-10)  
Jan. 21  18 47.11  -28 31.6   4.152   3.250    20   11.7   5:37 (300, -7)  

* C/2022 P1 ( NEOWISE )

Now it is bright as 11.4 mag (Dec. 14, Jose Guilherme de S. Aguiar). It will be fading after this. In the Southern Hemisphere, it becomes unobservable temporarily from December to January. In the Northern Hemisphere, it is not observable until spring when it fades down to 15 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  19 26.64  -38  3.7   2.622   1.705    16   12.0   5:38 (301,-24)  
Jan. 21  19 26.26  -38  6.9   2.626   1.738    20   12.3   5:37 (304,-19)  

* C/2019 U5 ( PanSTARRS )

Now it is 12.4 mag (Dec. 18, Jose Guilherme de S. Aguiar). It stays 12 mag until summer. It stays observable in good condition for a long time.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  13 47.33    2 35.1   3.565   3.687    89   12.5   5:38 (343, 56)  
Jan. 21  13 43.49    2  2.6   3.424   3.676    96   12.4   5:37 (357, 57)  

* C/2019 T4 ( ATLAS )

Now it is bright as 12.9 mag (Jan. 2, Hiroshi Abe). It stays 13 mag until spring. It stays observable in good condition for a while after this. It will be getting higher rapidly also in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  15 17.51    0 31.7   4.896   4.613    67   12.9   5:38 (312, 44)  
Jan. 21  15 22.76    1 17.7   4.818   4.635    73   12.9   5:37 (318, 48)  

* 118P/Shoemaker-Levy 4

Now it is 12.7 mag (Jan. 2, Hiroshi Abe). It stays bright as 13 mag and observable in excellent condition until February.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   8 40.35   10 37.6   0.919   1.879   161   12.9   1:10 (  0, 65)  
Jan. 21   8 36.70   11 54.6   0.917   1.894   169   13.0   0:39 (  0, 67)  

* 71P/Clark

It brightens up to 13 mag in winter. But the condition is bad. It is not observable until February in the Southern Hemisphere, or until May in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  18 19.60  -25 47.1   2.489   1.591    18   13.4   5:38 (298, -5)  
Jan. 21  18 43.19  -25 54.7   2.470   1.589    20   13.3   5:37 (299, -5)  

* 29P/Schwassmann-Wachmann 1

It brightened in major outburst in late November. Now it is very bright as 10.9 mag (Dec. 29, Martin Masek).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   6 30.09   29 22.3   5.117   6.062   162   13.4  22:56 (  0, 84)  
Jan. 21   6 26.68   29 17.2   5.159   6.064   154   13.4  22:25 (  0, 84)  

* C/2021 Y1 ( ATLAS )

Now it is 13.9 mag (Jan. 13, P. Lindner). The brightness evolution is slower than originally predicted. It stays 14 mag until summer. In the Northern Hemisphere, it stays observable in good condition until spring. In the Southern Hemisphere, it stays observable in good condition for a long time.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   3 21.40   -7 41.7   1.872   2.396   110   13.5  19:47 (  0, 47)  
Jan. 21   3 17.69   -9 38.3   1.941   2.354   102   13.5  19:16 (  0, 45)  

* C/2022 S3 ( PanSTARRS )

Tiny comet, but it will approach to Sun down to 0.8 a.u. in January, and to Earth down to 0.6 a.u. in March. It will brighten up to 14 mag from January to March. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it is not observable now. It will become observable in early March. It has not been observed since late October.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  21 42.43  -53  3.3   1.341   0.851    39   14.4  18:39 ( 35,-16)  
Jan. 21  22  5.86  -56 23.1   1.245   0.838    42   14.2  18:45 ( 33,-19)  

* C/2021 E3 ( ZTF )

It brightened up to 9.3 mag in early summer (June 5, Chris Wyatt). Now it is fading. It has already faded down to 15.7 mag (Jan. 13, ATLAS South Africa). In the Southen Hemisphere, it stays observable in good condition for a long time. It became observable also in the Northern Hemisphere. But it stays locating low for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   8  3.54  -39 45.6   2.568   3.158   118   14.3   0:33 (  0, 15)  
Jan. 21   7 47.56  -37 40.2   2.590   3.222   122   14.4  23:44 (  0, 17)  

* C/2021 X1 ( Maury-Attard )

Now it is 14.7 mag (Jan. 13, ATLAS Chile). It stays 14 mag in 2023. In the Southern Hemisphere, it stays observable in good condition for a long time. It locates somewhat low in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   3 17.95  -19 40.9   3.105   3.474   103   14.4  19:43 (  0, 35)  
Jan. 21   3  7.48  -18 12.9   3.197   3.450    96   14.4  19:05 (  0, 37)  

* 73P/Schwassmann-Wachmann 3

Outburst occured in early October, and it brightened up to 9.9 mag (Oct. 14, Thomas Lehmann). It is bright as 12.4 mag still now (Dec. 23, Ken-ichi Kadota). It stays observable only until February in the Southern Hemisphere, or until March in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  23 38.18  -10 52.2   2.358   2.013    57   14.6  18:39 ( 46, 32)  
Jan. 21  23 51.83   -8 59.3   2.485   2.075    54   14.9  18:45 ( 52, 30)  

* C/2021 T4 ( Lemmon )

Now it is 14.8 mag (Dec. 26, Chris Wyatt). It is expected to brighten up to 8 mag in July. It will be getting lower after this. And it will be unobservable in February. In the Southern Hemisphere, it will be observable in excellent condition at the high light. In the Northern Hemisphere, it becomes very low at the high lihght.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   0 28.55  -13 41.4   3.186   2.972    68   14.7  18:39 ( 32, 36)  
Jan. 21   0 25.46  -13 32.1   3.247   2.902    61   14.7  18:45 ( 41, 31)  

* C/2020 R7 ( ATLAS )

Now it is 15.1 mag (Oct. 26, Thomas Lehmann). The brightness evolution is slower than originally expected. It stays 14-15 mag for a long time. Appearing in the morning sky in the Northern Hemisphere. It will appear in the morning sky in early February also in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  17 51.89   -9 50.3   4.016   3.187    28   15.0   5:38 (290, 10)  
Jan. 21  17 55.90   -8 25.4   3.976   3.213    34   15.0   5:37 (292, 15)  

* 117P/Helin-Roman-Alu 1

Now it is 14.8 mag (Dec. 8, ATLAS Chile). Now it is not observable. It will become observable again in late March in the Southern Hemisphere, or in late May in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  21 13.47  -23  5.6   4.074   3.180    21   15.1  18:39 ( 63, -1)  
Jan. 21  21 24.44  -22 15.3   4.115   3.190    17   15.1  18:45 ( 66, -5)  

* C/2021 S3 ( PanSTARRS )

Now it is 15.2 mag (Jan. 6, ATLAS South Africa). It is expected to brighten up to 7 mag in early 2024. In the Southern Hemisphere, it stays observable in good condition for a long time. It locates low in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   5 32.35  -38 25.4   4.486   4.955   113   15.2  21:57 (  0, 17)  
Jan. 21   5 27.37  -38  6.4   4.458   4.889   110   15.1  21:25 (  0, 17)  

* C/2021 G2 ( ATLAS )

Now it is 15.7 mag (Dec. 31, iTelescope Observatory, Siding Spring). It will brighten up to 13 mag from 2024 to 2025. It is observable in excllent condition in the Southern Hemisphere. It locates low in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   9  8.03  -39  9.1   6.238   6.728   116   15.2   1:37 (  0, 16)  
Jan. 21   9  5.44  -39 22.6   6.159   6.694   119   15.2   1:07 (  0, 16)  

* 77P/Longmore

Now it is 16.1 mag (Jan. 12, Catalina Sky Survey). It will brighten rapidly up to 14 mag and will be observable in excellent condition in spring. In the Northern Hemisphere, it is observable in good condition in winter, but it becomes somewhat low in spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  14  1.52   -8 44.5   2.339   2.406    81   15.4   5:38 (342, 45)  
Jan. 21  14  9.02  -10 15.7   2.242   2.397    86   15.2   5:37 (349, 44)  

* 119P/Parker-Hartley

Now it is 14.4 mag (Dec. 27, Ken-ichi Kadota). It will be fading after this, and it will be fainter than 18 mag in spring. It is observable in good condition in the Northern Hemisphere. It locates somewhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   7 47.41   23 10.1   1.577   2.560   177   15.3   0:17 (  0, 78)  
Jan. 21   7 41.76   23 46.4   1.600   2.579   172   15.4  23:39 (  0, 79)  

* 237P/LINEAR

Appearing in the morning sky. Now it is 16.0 mag (Jan. 7, Ken-ichi Kadota). It will brighten very rapidly. It is expected to be observable at 11 mag in excellent condition from spring to summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  16  3.50  -25  4.8   2.708   2.202    49   15.9   5:38 (319, 17)  
Jan. 21  16 19.57  -25 22.8   2.624   2.180    53   15.5   5:37 (322, 18)  

* C/2020 Y2 ( ATLAS )

Now it is 15.5 mag (Jan. 13, ATLAS Chile). It was expected to brighten up to 13 mag in 2022 spring. But actually, it was fainter than originally expected. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it stays extremely low for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   2 20.88  -36 10.2   3.672   3.721    85   15.7  18:47 (  0, 19)  
Jan. 21   2 17.09  -33 42.9   3.793   3.757    80   15.8  18:45 (  7, 21)  

* C/2020 S4 ( PanSTARRS )

Now it is 15.2 mag (Jan. 13, ATLAS-HKO, Haleakala). It stays 15-16 mag and observable in good condition until spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   9 36.34   21 51.3   2.472   3.379   153   15.8   2:05 (  0, 77)  
Jan. 21   9 35.08   22 51.3   2.433   3.374   160   15.7   1:37 (  0, 78)  

* 61P/Shajn-Schaldach

It brightened up to 14.6 mag in autumn (Oct. 19, Toshihiko Ikemura, Hirohisa Sato). Now it is fading. It has already faded down to 17.7 mag (Dec. 26, A. Diepvens). It will be fainter than 18 mag in spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   1 55.38    4 42.2   1.898   2.216    95   15.9  18:39 (  8, 60)  
Jan. 21   2  4.46    5 44.4   1.992   2.231    90   16.1  18:45 ( 20, 59)  

* P/2022 L3 ( ATLAS )

It brightened up to 14.1 mag in autumn (Nov. 14, Thomas Lehmann). Now it is fading. It has already faded down to 15.5 mag (Jan. 4, Ken-ichi Kadota). It stays observable in excellent condition for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   2 10.88   29  9.9   2.044   2.509   106   16.0  18:39 (  2, 84)  
Jan. 21   2 17.24   29 51.6   2.141   2.526   101   16.2  18:45 ( 52, 82)  

* 285P/LINEAR

It brightened by 6 mag in outburst in early August up to 14.6 mag (Aug. 13, ATLAS-MLO, Mauna Loa). It has already faded down to 16.7 mag (Dec. 25, Catalina Sky Survey). It will be extremely low after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  22 46.62   -7 32.9   2.233   1.719    46   16.1  18:39 ( 59, 26)  
Jan. 21  23  5.80   -6 55.8   2.279   1.722    44   16.1  18:45 ( 62, 24)  

* 204P/LINEAR-NEAT

It brightened rapidly. Now it is 16.6 mag (Jan. 13, ATLAS-HKO, Haleakala). It is observable at 16 mag in good condition in winter.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  10 18.77   15 49.8   1.030   1.905   142   16.2   2:48 (  0, 71)  
Jan. 21  10 18.40   16 41.5   1.008   1.922   149   16.1   2:20 (  0, 72)  

* C/2022 E2 ( ATLAS )

Now it is 16.0 mag (Jan. 10, ATLAS Chile). It is expected to brighten up to 12-13 mag from 2024 to 2025.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  10 15.49  -19 40.4   5.716   6.319   124   16.3   2:44 (  0, 35)  
Jan. 21  10 10.38  -19 19.6   5.588   6.276   130   16.2   2:12 (  0, 36)  

* C/2018 U1 ( Lemmon )

It was observed at 15 mag from 2021 to 2022. Now it is fading. In the Southern Hemisphere, it stays observable in excellent condition for a long time. In the Northern Hemiphere, it is not observable after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  15 18.85  -61 41.1   6.427   5.990    59   16.3   5:38 (345,-10)  
Jan. 21  15 19.40  -62 54.0   6.379   6.019    64   16.3   5:37 (348,-10)  

* C/2021 C5 ( PanSTARRS )

It will brighten up to 16 mag in 2023. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it will never be observable again.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  15  8.06  -63 46.7   3.610   3.253    61   16.4   5:38 (347,-12)  
Jan. 21  15 29.17  -65 30.5   3.563   3.248    63   16.4   5:37 (348,-13)  

* 408P/2020 M7 ( Novichonok-Gerke )

Now it is 16.5 mag (Dec. 31, ATLAS South Africa). It is observable at 16-17 mag in excellent condition from autumn to winter.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   4  0.69   -1  0.6   2.880   3.501   121   16.4  20:27 (  0, 54)  
Jan. 21   4  0.80   -0 35.7   2.966   3.506   115   16.5  19:59 (  0, 54)  

* C/2022 A3 ( Lemmon-ATLAS )

Now it is 16.6 mag (Jan. 13, ATLAS South Africa). It stays observable at 16 mag for a long time from early 2023 to early 2024. In the Northern Hemisphere, it is observable only until 2023 spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  10  8.26   -1  9.5   3.567   4.342   137   16.6   2:37 (  0, 54)  
Jan. 21  10  0.67   -2  3.1   3.468   4.311   145   16.5   2:02 (  0, 53)  

* C/2022 L2 ( ATLAS )

Now it is 17.2 mag (Dec. 12, D. Buczynski). It is expected to brighten up to 11.5 mag in 2024 spring. It stays observable in good condition for a long time. At the high light, it will be observable in excellent condition in the Southern Hemisphere, but it will be low in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  18 23.16   14 29.0   5.641   4.936    40   16.7   5:38 (264, 18)  
Jan. 21  18 26.01   14 28.1   5.558   4.885    42   16.6   5:37 (268, 23)  

* 263P/Gibbs

Now it is 17.0 mag (Jan. 7, Ken-ichi Kadota). It brightens rapidly, and it is observable at 16.5 mag in good condition from January to March.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  11 11.42   20  7.3   0.364   1.252   130   16.9   3:39 (  0, 75)  
Jan. 21  11 40.29   22 17.4   0.349   1.242   131   16.7   3:41 (  0, 77)  

* 94P/Russell 4

Now it is 17.5 mag (Jan. 13, ATLAS-HKO, Haleakala). It brightens rapidly, and it is observable at 16.5 mag in good condition in spring. It locates somewhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   8 45.09   26 20.2   1.429   2.391   164   17.0   1:15 (  0, 81)  
Jan. 21   8 39.94   27  1.3   1.399   2.375   170   16.9   0:42 (  0, 82)  

* C/2019 E3 ( ATLAS )

Now it is 16.4 mag (Jan. 1, iTelescope Observatory, Siding Spring). Very far object. It stays 16-17 mag for a long time from 2021 to 2026. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it is not observable at all.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   6 19.04  -76 31.5  10.546  10.441    81   16.9  22:41 (  0,-22)  
Jan. 21   6  3.98  -76 20.4  10.532  10.436    81   16.9  21:59 (  0,-21)  

* (65803) Didymos

Due to the DART spacecraft impact to its satellite Dimorphos on Sept. 26, the cometary activity was detected. It brightened up to 12.9 mag (Sept. 28, John Drummond). It has already returned to its original brightness. It stays observable in good condition for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   7 24.15   30 41.4   0.330   1.310   170   17.0  23:49 (  0, 86)  
Jan. 21   7 16.77   30 50.7   0.375   1.348   163   17.5  23:14 (  0, 86)  

* 402P/2020 Q3 ( LINEAR )

It brightened up to 15.3 mag in last winter (Jan. 12, 2022, H. Nohara). Now it is fading. It has already faded down to 17.0 mag (Jan. 2, Purple Mountain Observatory, XuYi Station). It will be observable at 17 mag in good condition in next winter. It locates low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  10 23.92   24  3.0   3.695   4.514   142   17.0   2:53 (  0, 79)  
Jan. 21  10 21.84   24 58.2   3.658   4.532   149   17.0   2:23 (  0, 80)  

* P/2021 N2 ( Fuls )

It brightened very rapidly up to 15.5 mag from last autumn to last winter (Nov. 2, 2021, Toshihiko Ikemura, Hirohisa Sato). Now it is fading slowly. It has already faded down to 16.8 mag (Jan. 11, ATLAS Chile).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   6 20.25    9 24.1   3.590   4.514   157   17.1  22:46 (  0, 64)  
Jan. 21   6 17.04    9 28.6   3.650   4.534   150   17.1  22:15 (  0, 64)  

* 246P/NEAT

Now it is 16.5 mag (Jan. 1, ATLAS Chile). It brightened up to 14 mag from 2020 to 2021. Now it is fading slowly.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   0 21.37  -12 41.8   4.512   4.230    67   17.1  18:39 ( 34, 36)  
Jan. 21   0 25.94  -11 48.2   4.623   4.246    61   17.2  18:45 ( 42, 33)  

* 199P/Shoemaker 4

Appearing in the morning sky. It stays observable at 14-15 mag from spring to autumn. It locates somewhat low in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  16 48.60  -10 50.1   3.907   3.249    42   17.3   5:38 (301, 21)  
Jan. 21  16 58.28  -11 20.6   3.821   3.228    46   17.1   5:37 (304, 23)  

* C/2020 F2 ( ATLAS )

Now it is 17.1 mag (Jan. 3, ATLAS Chile). It stays 17 mag and observable in good condition for a long time until 2023 summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  13 34.49    5 15.2   8.770   8.880    93   17.2   5:38 (348, 60)  
Jan. 21  13 33.15    5 40.4   8.651   8.885   100   17.2   5:34 (  0, 61)  

* C/2020 H6 ( ATLAS )

Now it is 17.1 mag (Dec. 14, A. Diepvens). Fading slowly. In the Southern Hemisphere, it is not observable after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  17 42.66   41 47.6   6.235   5.951    68   17.2   5:38 (241, 38)  
Jan. 21  17 50.28   42 39.9   6.238   5.983    70   17.2   5:37 (241, 41)  

* C/2022 W3 ( Leonard )

Now it is 17.3 mag (Jan. 11, Ken-ichi Kadota). It will brighten up to 13 mag in summer. In the Northern Hemisphere, it stays observable in good condition for a long time. In the Southern Hemisphere, it is not observable until August.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  10 34.11   59 33.1   1.816   2.571   131   17.4   3:04 (180, 66)  
Jan. 21  10 20.97   64 56.5   1.749   2.500   130   17.2   2:23 (180, 60)  

* 244P/Scotti

Now it is 17.5 mag (Jan. 12, J. V. Martinez). It is observable at 17 mag in good condition in winter. It locates somewhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   5 56.84   26 19.9   3.008   3.927   155   17.3  22:22 (  0, 81)  
Jan. 21   5 53.29   26 16.1   3.059   3.928   148   17.3  21:51 (  0, 81)  

* C/2019 O3 ( Palomar )

Now it is 17.1 mag (Jan. 9, D. Buczynski). Fading slowly. In the Northern Hemisphere, it stays observable in good condition for a long time. In the Southern Hemisphere, it is not observable after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  18  4.23   64 42.5   9.623   9.641    88   17.3   5:38 (211, 38)  
Jan. 21  18  9.02   65 17.8   9.634   9.657    88   17.3   5:37 (211, 41)  

* C/2014 UN271 ( Bernardinelli-Bernstein )

Now it is 17.4 mag (Jan. 9, ATLAS South Africa). Very large comet. It is expected to brighten up to 14 mag in 2031. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it is not observable until 2030.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   2 27.82  -60 18.8  18.296  18.102    77   17.4  18:53 (  0, -5)  
Jan. 21   2 27.55  -60  2.6  18.310  18.077    74   17.4  18:45 (  2, -5)  

* C/2021 S4 ( Tsuchinshan )

Now it is 17.7 mag (Jan. 7, W. Hasubick). It stays 17 mag for a long time from 2023 to 2024. It is observable in good condition in the Northern Hemisphere. It locates low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   2 20.67   27 54.7   6.699   7.071   108   17.6  18:47 (  0, 83)  
Jan. 21   2 21.70   27 53.3   6.792   7.057   101   17.6  18:45 ( 38, 81)  

* C/2020 F5 ( MASTER )

It brightened up to 14 mag in 2021. Now it is fading. It has already faded down to 17.4 mag (Jan. 7, W. Hasubick). It will be fainter than 18 mag in March. It is already unobservable in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  23 25.03   16 18.5   7.104   6.777    66   17.6  18:39 ( 74, 48)  
Jan. 21  23 27.77   16 40.3   7.241   6.816    60   17.6  18:45 ( 81, 42)  

* 395P/2020 H1 ( Catalina-NEAT )

Now it is 17.9 mag (Dec. 25, Catalina Sky Survey). It continued brightening even after the perihelion passage. It will be fading after this, and it will be fainter than 18 mag in February.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  23 29.98   -1  8.1   4.927   4.508    59   17.6  18:39 ( 55, 38)  
Jan. 21  23 35.65   -0 35.8   5.033   4.522    53   17.7  18:45 ( 62, 33)  

* P/2021 V2 ( Fuls )

Now it is 17.8 mag (Dec. 26, Ken-ichi Kadota). It is observable at 17.5 mag in good condition in winter.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   8 58.13   -0 20.8   2.604   3.497   151   17.7   1:27 (  0, 55)  
Jan. 21   8 54.96   -0 25.1   2.571   3.497   156   17.7   0:57 (  0, 54)  

* 211P/Hill

Now it is 18.1 mag (Dec. 30, Ken-ichi Kadota). It brightens up to 17.5 mag from January to February. It locates somewhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  11 57.16   16 44.6   1.779   2.420   119   17.7   4:26 (  0, 72)  
Jan. 21  12  0.62   17 52.5   1.723   2.433   125   17.7   4:02 (  0, 73)  

* 107P/(4015) Wilson-Harrington

Now it is 17.0 mag (Nov. 26, Toshihiko Ikemura, Hirohisa Sato). It will be fading after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   7 10.54   20 13.7   0.972   1.952   172   17.7  23:35 (  0, 75)  
Jan. 21   7  1.21   20 22.8   1.046   2.010   163   18.2  22:59 (  0, 75)  

* C/2022 W2 ( ATLAS )

Now it is 17.4 mag (Dec. 29, D. Wilde). It stays 17.5 mag until spring. It is observable in good condition in the Northern Hemisphere. It is not observable in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  21 25.53   79 24.5   2.813   3.166   101   17.8  18:39 (167, 38)  
Jan. 21  22 12.36   79 59.5   2.810   3.155   101   17.7  18:45 (168, 38)  

* 22P/Kopff

It brightened up to 11.1 mag in 2022 spring (May 21, Thomas Lehmann). Now it is fading. It has already faded down to 18.1 mag (Dec. 6, iTelescope Observatory, Siding Spring).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   1  9.72    2 12.0   2.971   3.026    83   17.8  18:39 ( 27, 54)  
Jan. 21   1 15.71    2 59.3   3.109   3.065    78   18.0  18:45 ( 38, 52)  

* C/2021 QM45 ( PanSTARRS )

Now it is 17.9 mag (Dec. 27, Ken-ichi Kadota). In the Northern Hemisphere, it stays observable at 17 mag in good condition for a long time until winter. In the Southern Hemisphere, it stays extremely low for a long time.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   7 54.66   50 43.3   2.288   3.182   150   17.8   0:25 (180, 74)  
Jan. 21   7 48.76   50 15.9   2.330   3.217   149   17.9  23:47 (180, 75)  

* 452P/2022 B5 ( Sheppard-Jewitt )

Now it is 18.4 mag (Dec. 18, Ken-ichi Kadota). It stays observable at 18 mag in good condition from January to March.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  10 34.89   12 15.8   3.439   4.215   137   17.9   3:04 (  0, 67)  
Jan. 21  10 33.53   12 35.7   3.367   4.210   144   17.9   2:35 (  0, 67)  

* C/2019 F1 ( ATLAS-Africano )

It brightened up to 14.2 mag in 2021 summer (July 18, 2021, Taras Prystavski). Now it is fading. It has already faded down to 17.3 mag (Dec. 22, ATLAS South Africa). In the Southern Hemisphere, it stays observable in good condition for a long time. It locates somewhat low in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   1 15.27  -17  7.6   6.192   6.068    78   17.9  18:39 ( 17, 36)  
Jan. 21   1 16.63  -16  8.8   6.339   6.112    72   18.0  18:45 ( 26, 35)  

* 280P/Larsen

It has not been observed yet in this apparition. In the last apparition, it had faded before the perihelion passage. If it becomes as bright as its last apparition, it will brighten up to 17 mag. It stays observable in good condition for a long time.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  13 43.56   -0  1.9   2.811   2.966    89   18.0   5:38 (346, 54)  
Jan. 21  13 50.35   -0  5.7   2.698   2.946    94   17.9   5:37 (354, 55)  

* C/2020 J1 ( SONEAR )

It brightened up to 12.3 mag from spring to summer in 2021 (June 15, 2021, Marco Goiato). Now it is fading. It has already faded down to 17.7 mag (Jan. 2, J. Jahn). It will be fainter than 18 mag in January.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  12 38.63   38  4.2   5.983   6.458   114   17.9   5:07 (180, 87)  
Jan. 21  12 35.26   39 17.4   5.947   6.504   120   17.9   4:36 (180, 86)  

* 44P/Reinmuth 2

Now it is 17.6 mag (Dec. 26, A. Diepvens). It will be fading after this, and it will be fainter than 18 mag in January.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14   2 58.09   21 49.3   2.287   2.846   115   17.9  19:25 (  0, 77)  
Jan. 21   3  1.74   21 44.0   2.404   2.876   108   18.1  19:01 (  0, 77)  

* C/2021 P4 ( ATLAS )

It brightened up to 10.4 mag from June to July (July 22, Ken-ichi Kadota). Now it is fading. Appearing in the morning sky in the Souther Hemisphere. It was originally predicted as 15 mag now. But actually, now it is very faint as 18.4 mag (Jan. 2, Martin Masek). It will never be observable again in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan. 14  19  7.20  -64 58.5   3.294   2.674    43   18.6   5:38 (330,-31)  
Jan. 21  19 35.20  -64 46.3   3.359   2.754    45   18.9   5:37 (330,-31)  

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