Weekly Information about Bright Comets (2022 Oct. 15: North)

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 Updated on October 16, 2022
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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/2017 K2 ( PanSTARRS )

Now it is bright as 8.8 mag (Sept. 25, 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 becomes low temporarily from November to December. In the Northern Hemisphere, it is not observable until 2023 summer. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  16  5.75  -37 15.7   2.514   1.982    47    8.2  18:49 ( 46, -4)  
Oct. 22  16 11.33  -39 30.2   2.548   1.947    43    8.2  18:41 ( 46, -7)

* C/2022 P1 ( NEOWISE )

Now it is very bright as 10.7 mag (Oct. 2, Marco Goiato). It stays 10 mag until November. In the Northern Hemisphere, it becomes unobservable soon. In the Southern Hemisphere, it becomes unobservable temporarily from December to January. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  21 34.90  -41 52.8   1.092   1.696   108   10.1  19:57 (  0, 13)  
Oct. 22  20 55.64  -42 24.7   1.249   1.668    95   10.1  18:51 (  0, 13)

* C/2022 E3 ( ZTF )

Now it is bright as 11.4 mag (Oct. 8, Osamu Miyazaki). It will approach to Earth down to 0.29 a.u. in 2023 February, and it is expected to brighten up to 5 mag. In the Northern Hemisphere, it stays observable in excellent condition. 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)  
Oct. 15  15 51.41   26 12.7   2.238   1.782    50   11.3  18:49 (102, 32)  
Oct. 22  15 50.20   25 32.2   2.211   1.704    47   11.0  18:41 (103, 27)

* C/2020 V2 ( ZTF )

Now it is 12.0 mag (Oct. 3, Osamu Miyazaki). It is expected to brighten up to 10 mag in 2023. In the Northern Hemisphere, it stays observable in good condition until 2023 autumn, although it became very low temporarily in summer. In the Southern Hemipshere, it stays unobservable until 2023 summer. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  10 55.64   56 31.4   3.370   3.191    71   11.7   4:41 (222, 39)  
Oct. 22  11  0.47   57 58.1   3.218   3.139    76   11.5   4:47 (221, 43)

* 81P/Wild 2

Now it is 12.1 mag (Oct. 3, Ken-ichi Kadota). It will appear in the morning sky in November also in the Southern Hemisphere. It stays 11-12 mag until spring. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  10 58.46    6 49.6   2.380   1.710    38   12.1   4:41 (275, 19)  
Oct. 22  11 17.15    5  2.5   2.322   1.687    40   12.0   4:47 (279, 21)

* C/2019 L3 ( ATLAS )

It brightened up to 8.3 mag in last winter (Jan. 6, Toshiyuki Takahashi). Now it is fading. But it is bright as 10.9 mag still now (Oct. 5, Thomas Lehmann). 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   9 41.87  -14 24.5   4.863   4.343    53   12.1   4:41 (306, 20)  
Oct. 22   9 46.17  -15 55.7   4.821   4.378    58   12.1   4:47 (312, 24)

* C/2021 P4 ( ATLAS )

It brightened up to 10.4 mag from June to July (July 22, Ken-ichi Kadota). Appearing in the morning sky in the Souther Hemisphere. It will never be observable again in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  12 59.42  -40 53.0   2.369   1.624    32   12.1   4:41 (301,-30)  
Oct. 22  13 20.05  -44 41.8   2.430   1.702    34   12.4   4:47 (306,-29)

* 118P/Shoemaker-Levy 4

Now it is 12.8 mag (Oct. 1, Thomas Lehmann). It is expected to brighten very rapidly up to 11-12 mag in winter, and it will be observable in excellent condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   7 24.06   11  6.3   1.566   1.861    90   12.7   4:41 (322, 61)  
Oct. 22   7 37.05   10 28.2   1.495   1.851    93   12.4   4:47 (332, 63)

* C/2019 T4 ( ATLAS )

Now it is bright as 12.8 mag (Aug. 28, Hiroshi Abe). It stays 12 mag for a while. It becomes unobservable from August to November in the Northern Hemisphere, or from September to December in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  13 45.62   -3  5.2   5.357   4.374     8   12.7  18:49 ( 93,-10)  
Oct. 22  13 53.35   -3  5.4   5.371   4.388     8   12.7  18:41 ( 95,-12)

* 73P/Schwassmann-Wachmann 3

Outburst occured in early October. Now it is very bright as 10.7 mag (Oct. 14, Juan Jose Gonzalez). It stays observable in good condition in the Southern Hemisphere. It locates low in the Northern Hemisphere. Michael Jager detected several fragments at 17.5-19 mag. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  18 15.16  -36  5.4   1.038   1.201    72   12.8  18:49 ( 26, 13)  
Oct. 22  18 57.13  -35 44.6   1.089   1.257    74   13.2  18:41 ( 22, 15)

* 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 12.4 mag (Oct. 1, Thomas Lehmann). In the Southen Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it will be observable after November. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  10 13.82  -40  1.9   2.853   2.371    51   12.8   4:41 (318, -3)  
Oct. 22  10 12.81  -40 31.6   2.854   2.427    55   13.0   4:47 (324,  1)

* C/2020 K1 ( PanSTARRS )

Now it is 13.1 mag (Oct. 2, Toshihiko Ikemura, Hirohisa Sato). It is expected to brighten up to 11 mag in 2023. In the Northern Hemisphere, it stays observable in good condition until November. But it becomes unobservable after that. In the Southern Hemisphere, it stays observable in good condition for a long time, although it becomes unobservable temporarily from November to January. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  17 21.65  -11 10.5   4.060   3.661    59   13.2  18:49 ( 52, 27)  
Oct. 22  17 25.02  -12 39.7   4.124   3.626    53   13.2  18:41 ( 54, 23)

* 41P/Tuttle-Giacobini-Kresak

The condition is worst in this apparition. It is not observable at all. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  14 41.19  -10 16.7   2.013   1.133    20   13.3  18:49 ( 79, -2)  
Oct. 22  15  9.52  -12 24.4   2.048   1.171    20   13.8  18:41 ( 76, -2)

* C/2019 U5 ( PanSTARRS )

Now it is 13.7 mag (Sept. 24, Hiroshi Abe). It is expected to brighten up to 12 mag in 2023. In the Northern Hemisphere, it stays observable in good condition for a long time, although it becomes unobservable temporarily in October. In the Southern Hemisphere, it is not observable until mid December. But it will be observable in good condition in 2023. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  13 36.77   13 43.2   4.821   3.919    22   13.4  18:49 (108, -2)  
Oct. 22  13 39.15   12 34.8   4.788   3.895    23   13.4   4:47 (252, -3)

* C/2022 R2 ( ATLAS )

It brightened rapidly up to 12.4 mag in early October (Oct. 2, Michael Jager). Then it became fainter a bit, 13.0 mag (Oct. 9, Michael Jager). Although it is a tiny comet, it will approach to Sun down to 0.63 a.u. on Oct. 25. In the Northern Hemisphere, it is observable until late October. In the Southern Hemisphere, it is not observable after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  12  4.61   24  4.2   1.090   0.670    37   13.4   4:41 (251, 16)  
Oct. 22  12 58.28   19 34.6   1.183   0.636    32   13.4   4:47 (252,  9)

* C/2021 Y1 ( ATLAS )

Now it is 15.9 mag (Oct. 10, ATLAS-HKO, Haleakala). It is expected to brighten up to 12 mag from winter to summer in 2023. In the Northern Hemisphere, it stays observable in good condition until 2023 spring. In the Southern Hemisphere, it stays observable in good condition for a long time after this. It is fainter than this ephemeris recently. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   5 13.81   29 10.1   2.421   3.059   121   13.8   3:42 (  0, 84)  
Oct. 22   5  9.93   27 25.0   2.273   3.003   129   13.6   3:10 (  0, 83)

* 29P/Schwassmann-Wachmann 1

Now it is 13.6 mag (Sept. 30. Hiroshi Abe). 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   6 57.95   28 58.8   5.804   6.033    98   13.7   4:41 (300, 79)  
Oct. 22   6 58.91   29  0.9   5.697   6.035   105   13.6   4:47 (336, 83)

* 117P/Helin-Roman-Alu 1

Now it is 14.1 mag (Sept. 30, Ken-ichi Kadota). It stays observable at 13-14 mag for a while. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  19  0.63  -30 35.2   3.057   3.079    81   14.2  18:49 ( 19, 22)  
Oct. 22  19  8.90  -30 14.7   3.156   3.085    76   14.3  18:41 ( 22, 21)

* 22P/Kopff

Now it is 14.2 mag (Sept. 25, Chris Wyatt). It stays observable in good condition after this. But it will be fading gradually after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   1  5.90   -1 16.9   1.501   2.489   169   14.5  23:30 (  0, 54)  
Oct. 22   1  0.06   -1 45.4   1.562   2.531   163   14.7  22:56 (  0, 53)

* C/2020 R7 ( ATLAS )

Now it is 15.0 mag (Oct. 2, Ken-ichi Kadota). The brightness evolution is slower than originally expected. It stays 14-15 mag for a long time. It locates extremely low in the Northern Hemisphere. In the Southern Hemisphere, it will be unobservable temporarily in November. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  16 50.88  -25 51.9   3.457   2.970    53   14.5  18:49 ( 47, 11)  
Oct. 22  16 54.67  -24 25.4   3.567   2.978    46   14.6  18:41 ( 51, 10)

* 116P/Wild 4

It brightened up to 12.7 mag in early 2022 (Feb. 27, Toshihiko Ikemura, Hirohisa Sato). Now it is fading. Now it is not observable. It will be observable agin at 16 mag in January in the Southern Hemisphere, or in February in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  14 21.39  -15 11.7   3.222   2.286    16   15.0  18:49 ( 78, -9)  
Oct. 22  14 35.86  -16 27.0   3.255   2.299    13   15.1  18:41 ( 77,-11)

* C/2022 A2 ( PanSTARRS )

Now it is 15.1 mag (Oct. 9, A. Diepvens). It is expected to brighten up to 12.5 mag in winter. In the Northern Hemisphere, it will be observable in good condition after this. In the Southern Hemisphere, it is not observable until 2023 June. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  12 11.46   18 59.4   3.147   2.360    31   15.2   4:41 (255, 11)  
Oct. 22  12 21.60   20  1.9   3.018   2.304    37   15.0   4:47 (257, 16)

* C/2020 S4 ( PanSTARRS )

Now it is 16.6 mag (Oct. 12, ATLAS-MLO, Mauna Loa). It will brighten up to 14 mag in early 2023, and it will be observable in good condition. It is fainter than this ephemeris recently. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   8 44.10   16 31.9   3.716   3.543    72   15.1   4:41 (289, 52)  
Oct. 22   8 51.81   16 29.4   3.603   3.524    77   15.1   4:47 (296, 57)

* P/2022 L3 ( ATLAS )

Now it is 15.5 mag (Oct. 2, Katsumi Yoshimoto). It stays 15 mag and observable in excellent condition until December. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   2 41.51   19  4.0   1.473   2.423   157   15.2   1:10 (  0, 74)  
Oct. 22   2 35.85   20 11.8   1.447   2.421   164   15.1   0:37 (  0, 75)

* C/2020 Y2 ( ATLAS )

Now it is 15.1 mag (Sept. 28, ATLAS South Africa). It was expected to brighten up to 13 mag in 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)  
Oct. 15   5 52.87  -51 34.9   3.075   3.337    96   15.2   4:20 (  0,  3)  
Oct. 22   5 35.77  -52 39.1   3.047   3.361    99   15.2   3:36 (  0,  2)

* 71P/Clark

It will brighten 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)  
Oct. 15  13 55.01   -8 59.9   2.820   1.841     8   15.4  18:49 ( 86,-11)  
Oct. 22  14 11.54  -10 50.0   2.796   1.811     6   15.2  18:41 ( 85,-13)

* 119P/Parker-Hartley

Now it is 14.8 mag (Oct. 3, Ken-ichi Kadota). It stays observable in good condition at 15 mag from summer to winter. It locates somwwhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   7 34.87   19 13.6   2.168   2.370    88   15.4   4:41 (306, 66)  
Oct. 22   7 43.20   19  6.7   2.094   2.380    93   15.4   4:47 (318, 70)

* (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 stays bright and observable in good condition until mid January 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   6 26.17  -11 23.9   0.079   1.015   101   15.4   4:41 (356, 43)  
Oct. 22   7  7.43   -3  4.1   0.091   1.013    98   15.8   4:47 (352, 51)

* C/2021 X1 ( Maury-Attard )

Now it is 14.9 mag (Oct. 7, ATLAS Chile). It will brighten up to 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)  
Oct. 15   6 22.99  -18 27.4   3.556   3.863   100   15.6   4:41 (357, 37)  
Oct. 22   6 15.17  -19 37.1   3.419   3.828   106   15.5   4:15 (  0, 35)

* 61P/Shajn-Schaldach

Now it is 14.9 mag (Oct. 8, Masayoshi Yoshimi). It stays 15.5 mag until November, and it stays observable in good condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   1 27.94    1 42.3   1.134   2.127   173   15.5  23:52 (  0, 57)  
Oct. 22   1 24.32    0 57.5   1.141   2.126   168   15.6  23:21 (  0, 56)

* C/2021 T4 ( Lemmon )

Now it is 14.9 mag (Oct. 5, X. Gao, Q.-Z. Ye). It is expected to brighten up to 8 mag in 2023 July. In 2022, it stays observable in good condition while the comet will be brightening gradually. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   2 43.85   -3 18.8   2.940   3.871   155   15.7   1:12 (  0, 52)  
Oct. 22   2 31.89   -4 52.1   2.851   3.803   160   15.6   0:33 (  0, 50)

* C/2021 G2 ( ATLAS )

Now it is 16.5 mag (Oct. 7, ATLAS South Africa). It will brighten up to 13 mag from 2024 to 2025. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   9  0.57  -30 25.8   7.557   7.174    63   16.0   4:41 (324, 14)  
Oct. 22   9  3.80  -31 12.0   7.459   7.139    67   16.0   4:47 (330, 16)

* 327P/Van Ness

Now it is 14.2 mag (Sept. 25, Chris Wyatt). It brightened rapidly as predicted. It will be fading after this, and it will be fainter than 18 mag in December. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   2 17.62  -32  0.7   0.735   1.617   137   16.0   0:45 (  0, 23)  
Oct. 22   2 17.22  -35 21.9   0.787   1.637   133   16.3   0:18 (  0, 20)

* C/2018 U1 ( Lemmon )

Now it is 17.1 mag (Sept. 30, J.-C. Merlin). It stays at 15-16 mag for a long time. In the Southern Hemisphere, it stays observable in excellent condition for a long time, although it becomes extremely low temporarily in November. In the Northern Hemiphere, it is not observable after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  14 35.87  -50 30.1   6.305   5.646    45   16.0  18:49 ( 44,-25)  
Oct. 22  14 39.35  -51  0.7   6.375   5.670    41   16.1  18:41 ( 45,-27)

* 408P/2020 M7 ( Novichonok-Gerke )

Now it is 16.4 mag (Oct. 8, ATLAS-HKO, Haleakala). It will be 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)  
Oct. 15   4 38.43    3 43.0   2.740   3.468   130   16.2   3:06 (  0, 59)  
Oct. 22   4 37.33    2 52.1   2.678   3.468   136   16.1   2:37 (  0, 58)

* 9P/Tempel 1

Now it is 15.8 mag (Oct. 2, Toshihiko Ikemura, Hirohisa Sato). Now it is fading. It stays 13-14 mag for a while. It is observable in excellent condition in the Southern Hemisphere. It locates somewhat low in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  22 17.05  -26 12.2   1.803   2.502   124   16.2  20:42 (  0, 29)  
Oct. 22  22 18.34  -25 19.4   1.917   2.541   118   16.5  20:16 (  0, 30)

* C/2021 S3 ( PanSTARRS )

Now it is 16.1 mag (Oct. 10, ATLAS Chile). 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. In the Northern Hemisphere, it stays low in 2022. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   6 21.08  -29 36.1   5.557   5.784    98   16.3   4:41 (358, 25)  
Oct. 22   6 20.93  -30 43.9   5.433   5.722   101   16.3   4:20 (  0, 24)

* 157P/Tritton

Now it is 16.1 mag (Sept. 23, Michael Jager). It stays observable at 16 mag from summer to winter. It will be getting higher after this also in the Southern Hemisphere. Michael Jager discovered a 18-mag fragment. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   9 22.05   16  5.9   1.789   1.612    63   16.3   4:41 (282, 44)  
Oct. 22   9 38.10   13 58.0   1.756   1.630    66   16.3   4:47 (288, 46)

* C/2022 L1 ( Catalina )

Brightened rapidly. It brightened up to 14.0 mag in early September (Sept. 2, Michael Jager). Now it is 16.0 mag (Sept. 26, Ken-ichi Kadota). It will be fading after this. In the Northern Hemisphere, it stays observable for a long time, although it becomes extremely low in November. It is not observable after this in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  15 17.47   17 30.3   2.254   1.608    39   16.4  18:49 ( 97, 21)  
Oct. 22  15 16.99   17 56.9   2.309   1.624    36   16.5  18:41 (100, 17)

* 44P/Reinmuth 2

Now it is 16.5 mag (Oct. 1, Ken-ichi Kadota). It will be observable at 16-17 mag in good condition from summer to autumn. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   3 37.97   27 39.2   1.621   2.483   141   16.6   2:06 (  0, 83)  
Oct. 22   3 33.87   27 28.4   1.600   2.509   149   16.6   1:35 (  0, 83)

* 395P/2020 H1 ( Catalina-NEAT )

Now it is 16.1 mag (Oct. 12, ATLAS-HKO, Haleakala). It continued brightening even after the perihelion passage. It stays observable at 16 mag in good condition for a while. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  22 58.77   -3  6.2   3.491   4.331   143   16.6  21:23 (  0, 52)  
Oct. 22  22 57.48   -3 20.8   3.573   4.344   135   16.7  20:54 (  0, 52)

* C/2020 F5 ( MASTER )

It brightened up to 14 mag in 2021. Now it is fading. It has already faded down to 15.9 mag (Oct. 3, ATLAS Chile). It is observable at 16-17 mag in 2022. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  23 28.12   15 13.2   5.374   6.273   152   16.6  21:52 (  0, 70)  
Oct. 22  23 24.87   15 10.0   5.464   6.311   145   16.7  21:22 (  0, 70)

* 246P/NEAT

Now it is 15.7 mag (Sept. 30, J. L. Virlichie, P. Traverse, H. Roy, G. Houdin). It brightened up to 14 mag from 2020 to 2021. Now it is fading slowly. It is observable at 16-17 mag in 2022. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   0 17.31  -20  7.8   3.133   4.012   147   16.7  22:41 (  0, 35)  
Oct. 22   0 13.41  -20  5.4   3.201   4.030   141   16.8  22:10 (  0, 35)

* C/2021 C5 ( PanSTARRS )

Now it is 17.7 mag (July 9, ATLAS Chile). 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)  
Oct. 15  11 59.43  -38  3.5   4.206   3.434    34   17.0   4:41 (304,-18)  
Oct. 22  12 10.30  -39 55.1   4.169   3.412    35   16.9   4:47 (308,-16)

* 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 16.7 mag (Oct. 6, ATLAS Chile). 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)  
Oct. 15   1 47.22  -26 48.1   4.661   5.501   144   17.0   0:15 (  0, 28)  
Oct. 22   1 42.00  -26 31.4   4.720   5.544   142   17.1  23:38 (  0, 29)

* C/2019 T3 ( ATLAS )

Now it is 17.1 mag (Oct. 2, Toshihiko Ikemura, Hirohisa Sato). It stayed bright for a while even after the perihelion passage, but it will be fading after this. It will be fainter than 18 mag in winter. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  21 17.17    1 35.0   6.675   7.219   119   17.1  19:42 (  0, 57)  
Oct. 22  21 15.45    0 43.7   6.808   7.245   112   17.1  19:13 (  0, 56)

* C/2019 O3 ( Palomar )

Now it is 16.8 mag (Oct. 1, ATLAS-MLO, Mauna Loa). 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)  
Oct. 15  17 10.98   63 48.0   9.493   9.444    84   17.1  18:49 (150, 49)  
Oct. 22  17 13.04   63 27.8   9.508   9.459    84   17.1  18:41 (148, 47)

* C/2020 H6 ( ATLAS )

Now it is 16.6 mag (Oct. 2, Toshihiko Ikemura, Hirohisa Sato). It stays observable at 16 mag from 2021 to 2022. It locates low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  16  4.54   37 55.2   5.984   5.557    60   17.1  18:49 (113, 39)  
Oct. 22  16 11.07   37 45.3   6.026   5.586    59   17.1  18:41 (114, 36)

* P/2022 P2 ( ZTF )

Now it is 18.0 mag (Oct. 2, M. Jaeger, E. Prosperi, S. Prosperi). It stays observable at 17 mag until winter. In the Southern Hemisphere, it locates extremely low until autumn. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   9  6.47   17  5.7   2.348   2.168    67   17.2   4:41 (284, 48)  
Oct. 22   9 17.25   15 45.7   2.298   2.194    71   17.2   4:47 (290, 51)

* C/2022 Q2 ( ATLAS )

Now it is 16.3 mag (Oct. 3, ATLAS Chile). It stays observable at 17-18 mag until next summer. It may be brighter than this ephemeris. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  23 54.68  -13 55.0   1.228   2.148   149   17.3  22:16 (  0, 41)  
Oct. 22  23 15.87  -14 56.3   1.268   2.094   134   17.2  21:10 (  0, 40)

* C/2022 E2 ( ATLAS )

Now it is 17.8 mag (July 8, 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)  
Oct. 15  10 29.90  -18 21.0   7.601   6.894    42   17.3   4:41 (300,  9)  
Oct. 22  10 31.50  -18 34.2   7.486   6.850    47   17.2   4:47 (306, 14)

* 402P/2020 Q3 ( LINEAR )

It brightened up to 15.3 mag in last winter (Jan. 12, H. Nohara). Now it is fading. It has already faded down to 17.7 mag (Oct. 3, Catalina Sky Survey). It will be observable at 17 mag in good condition in next winter. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   9 48.70   18 12.2   4.737   4.296    58   17.3   4:41 (275, 40)  
Oct. 22   9 54.79   18 13.7   4.657   4.311    63   17.3   4:47 (280, 45)

* C/2022 L2 ( ATLAS )

Now it is 17.3 mag (Oct. 4, ATLAS-MLO, Mauna Loa). It is expected to brighten up to 11-12 mag in 2024. In the Northern Hemisphere, it stays observable in good condition for a long time until 2023 autumn, although it becomes temporarily low in December. In the Southern Hemisphere, it becomes unobservable in October. But it will be observable in excellent condition at the high light. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  17 55.50   22  4.1   5.799   5.611    74   17.3  18:49 ( 78, 55)  
Oct. 22  17 55.64   21  2.6   5.832   5.559    69   17.3  18:41 ( 81, 51)

* 285P/LINEAR

It brightened by 6 mag in outburst up to 14.6 mag (Aug. 13, ATLAS-MLO, Mauna Loa). Now it is fading. But it is bright as 16.1 mag still now (Oct. 1, Toshihiko Ikemura, Hirohisa Sato). It stays observable in good condition for a while. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  19  8.97   -1 43.5   1.715   1.943    87   17.3  18:49 ( 29, 49)  
Oct. 22  19 21.08   -3  8.2   1.748   1.912    83   17.6  18:41 ( 31, 47)

* (3200) Phaethon

It approached to Sun down to 0.14 a.u. on May 15. But it was not observable around that time. In the Northern Hemisphere, it stays observable at 17-18 mag in good condition from July to November. In the Southern Hemisphere, it stays extremely low. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   2 53.03   45 53.3   1.278   2.121   137   17.4   1:22 (180, 79)  
Oct. 22   2 30.89   44 52.3   1.268   2.158   144   17.3   0:33 (180, 80)

* C/2020 U4 ( PanSTARRS )

Now it is 17.2 mag (Oct. 1, D. Buczynski). It stays observable at 17-18 mag in 2022. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   1 32.91   26 38.0   4.582   5.536   161   17.4   0:02 (  0, 82)  
Oct. 22   1 23.00   25 44.3   4.585   5.549   164   17.4  23:19 (  0, 81)

* 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. It has already faded down to 17.1 mag (Oct. 9, Mt. Lemmon Survey). 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   6 46.77   12 46.0   3.986   4.266    99   17.4   4:41 (339, 67)  
Oct. 22   6 48.46   12 18.9   3.903   4.284   105   17.4   4:47 (359, 67)

* C/2021 QM45 ( PanSTARRS )

Now it is 17.1 mag (Oct. 3, 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)  
Oct. 15   7 38.48   46 48.4   2.620   2.847    92   17.4   4:41 (227, 70)  
Oct. 22   7 48.49   47 13.6   2.561   2.864    97   17.4   4:47 (219, 73)

* C/2020 U5 ( PanSTARRS )

Now it is 17.9 mag (Oct. 4, M. Iozzi). It started fading before the perihelion passage. It was predicted to stay at 16 mag for a long time. But actually, it will be fainter than 18 mag in autumn. In the Northern Hemisphere, it stays observable in good condition for a long time. In the Southern Hemisphere, it is not observable until 2023. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15  17 49.89   47 47.7   4.066   4.044    81   17.6  18:49 (126, 59)  
Oct. 22  17 56.59   45 19.1   4.127   4.067    79   17.7  18:41 (121, 57)

* 244P/Scotti

Now it is 18.7 mag (Oct. 5, J.-G. Bosch, F. Kugel). 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)  
Oct. 15   6 29.88   25 45.6   3.551   3.923   104   17.7   4:41 (338, 80)  
Oct. 22   6 31.78   25 48.6   3.452   3.922   111   17.6   4:32 (  0, 81)

* C/2022 P3 ( ZTF )

Now it is 17.5 mag (Oct. 1, Ken-ichi Kadota). In the Northern Hemisphere, it is observable at 17-18 mag in excellent condition in autumn. It is not observable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   7 45.45   46  2.6   2.483   2.698    91   17.8   4:41 (231, 70)  
Oct. 22   7 54.89   48 41.4   2.423   2.722    96   17.8   4:47 (218, 71)

* P/2021 V2 ( Fuls )

Now it is 19.7 mag (Oct. 2, Pan-STARRS 1, Haleakala). It is observable at 17 mag in excellent condition in winter. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   8 33.31    7 49.6   3.731   3.567    72   17.9   4:41 (302, 48)  
Oct. 22   8 39.50    6 60.0   3.628   3.558    78   17.8   4:47 (311, 52)

* 107P/(4015) Wilson-Harrington

Now it is 17.1 mag (Oct. 1, Toshihiko Ikemura, Hirohisa Sato). In 2022, it stays observable at 17 mag for a long time. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   8  0.32   22 29.5   0.765   1.189    83   17.8   4:41 (291, 64)  
Oct. 22   8 10.85   21 36.0   0.777   1.242    88   17.9   4:47 (301, 67)

* C/2019 E3 ( ATLAS )

Now it is 17.5 mag (Oct. 2, ATLAS South Africa). Very far object. It stays 18 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)  
Oct. 15   8 20.95  -69 16.4  10.712  10.528    76   17.9   4:41 (349,-17)  
Oct. 22   8 19.66  -70  6.8  10.702  10.521    76   17.9   4:47 (352,-16)

* C/2022 A3 ( Lemmon-ATLAS )

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)  
Oct. 15  10 27.06   11 40.3   5.411   4.788    47   18.0   4:41 (276, 28)  
Oct. 22  10 29.39   10 40.9   5.281   4.751    53   17.9   4:47 (282, 34)

* 204P/LINEAR-NEAT

Now it is 18.1 mag (Oct. 7, ATLAS-MLO, Mauna Loa). It will brighten rapidly, and it will be observable at 16 mag in good condition in winter. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   8 12.53   17 36.7   1.752   1.857    79   18.1   4:41 (296, 58)  
Oct. 22   8 27.91   17  4.4   1.681   1.849    83   17.9   4:47 (302, 61)

* 422P/2021 L1 ( Christensen )

It was observed at 17 mag in 2021. It was expected to be observable at 17-18 mag also in 2022. But actually, it is much fainter than last year by 3 mag, 20.8 mag (Oct. 1, Pan-STARRS 2, Haleakala). 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Oct. 15   2 35.43   14 56.9   2.664   3.618   160   19.9   1:04 (  0, 70)  
Oct. 22   2 28.79   15 27.5   2.660   3.641   168   19.9   0:30 (  0, 71)

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