Weekly Information about Bright Comets (2022 Aug. 13: North)

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Updated on August 14, 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 8.3 mag (Aug. 1, Carlos Labordena). It is observable at 7.5-8 mag for a long time from 2022 to 2023. In the Northern Hemisphere, it stays observable in good condition until autumn. However, it is not observable at the high light from autumn to 2023 summer. 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)  
Aug. 13  16 11.72  -15 40.4   1.956   2.410   103    8.3  20:24 ( 29, 34)  
Aug. 20  16  5.09  -18 23.9   2.020   2.355    96    8.3  20:13 ( 34, 29)  

* C/2021 P4 ( ATLAS )

It brightened up to 10.4 mag from June to July (July 22, Ken-ichi Kadota). Now it is not observable. In the Souther Hemisphere, it will appear in the morning sky at 12 mag in October. It will never be observable again in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  10 30.71    3 16.0   2.011   1.104    19    9.8  20:24 (104,-14)  
Aug. 20  10 46.09   -2 18.1   2.035   1.132    19   10.0  20:13 (100,-18)  

* 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 13.8 mag (July 21, M. Mattiazzo). In the Southen Hemisphere, it stays observable in good condition for a long time, although it becomes temporarily low in August. In the Northern Hemisphere, it is not observable until November when it fades down to 13 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   9 47.93  -41 59.7   2.304   1.947    56   11.2  20:24 ( 63,-44)  
Aug. 20   9 53.27  -40 53.7   2.412   1.985    53   11.4   3:52 (296,-45)  

* 73P/Schwassmann-Wachmann 3

Now it is 12.3 mag (July 19, Thomas Lehmann). It brightens up to 11-12 mag from summer to autumn. It stays observable in good condition in the Southern Hemisphere. In the Northern Hemisphere, it becomes extremely low from August to September. Michael Jager detected its two fragments at 19 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  12 54.85   -6 21.7   1.117   0.990    55   11.7  20:24 ( 75,  9)  
Aug. 20  13 19.34  -10 35.9   1.076   0.977    55   11.5  20:13 ( 70,  8)  

* C/2019 L3 ( ATLAS )

It brightened up to 8.3 mag in winter (Jan. 6, Toshiyuki Takahashi). Now it is fading. Now it is not observable. It will appear in the morning sky again in September in the Southern Hemisphere, or in October in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   8 48.28   -1 58.4   4.991   4.051    19   11.6   3:44 (257,-21)  
Aug. 20   8 55.18   -3 13.2   5.003   4.081    21   11.7   3:52 (262,-16)  

* C/2019 T4 ( ATLAS )

Now it is bright as 12.4 mag (July 20, Ken-ichi Kadota). 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)  
Aug. 13  12 39.52   -3  6.9   4.851   4.277    50   12.3  20:24 ( 80,  8)  
Aug. 20  12 46.28   -3  1.1   4.937   4.284    45   12.3  20:13 ( 82,  6)  

* C/2022 E3 ( ZTF )

Now it is bright as 12.8 mag (Aug. 3, Michael Jager). 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 becomes unobservable from late September to early February.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  17  3.27   35 15.5   2.127   2.504    99   12.6  20:24 ( 95, 80)  
Aug. 20  16 47.62   34 27.8   2.144   2.423    93   12.5  20:13 ( 94, 73)  

* C/2020 R7 ( ATLAS )

Now it is 13.7 mag (July 25, Chris Wyatt). It will brighten up to 12.5 mag in summer. In the Southern Hemisphere, it stays observable in excellent condition for a long time. In the Northern Hemisphere, it locates extremely low for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  17  2.54  -47 28.4   2.381   2.976   116   12.6  20:24 (  8,  7)  
Aug. 20  16 53.42  -44  5.4   2.479   2.968   109   12.7  20:13 ( 13,  9)  

* C/2020 V2 ( ZTF )

Now it is 13.3 mag (Aug. 4, Z. Banfalvy). 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 becomes 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)  
Aug. 13  10 10.73   52 49.1   4.414   3.680    38   12.9  20:24 (145, 14)  
Aug. 20  10 15.16   52 40.2   4.338   3.625    40   12.8  20:13 (147, 13)  

* 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)  
Aug. 13  10 29.12   11 56.5   2.082   1.133    14   13.4  20:24 (111, -9)  
Aug. 20  10 55.59    9 52.1   2.047   1.101    14   12.9  20:13 (108, -9)  

* 22P/Kopff

Now it is 12.5 mag (Aug. 4, Michael Jager). 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)  
Aug. 13   1 40.34    4 12.6   1.469   2.108   115   12.9   3:44 (345, 58)  
Aug. 20   1 41.59    3 55.3   1.440   2.150   121   13.1   3:50 (  0, 59)  

* C/2020 K1 ( PanSTARRS )

Now it is 13.3 mag (Aug. 3, Michael Jager). 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)  
Aug. 13  17 26.13    4 46.3   3.450   4.008   116   13.3  20:24 ( 12, 59)  
Aug. 20  17 22.04    2 51.1   3.500   3.968   110   13.3  20:13 ( 21, 56)  

* 81P/Wild 2

Now it is not observable. It will appear in the morning sky in September in the Northern Hemisphere, or in November in the Southern Hemisphere. It will brighten up to 11.5 mag in winter

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   8 17.10   18 50.1   2.936   1.995    17   13.6   3:44 (245, -2)  
Aug. 20   8 34.33   17 56.5   2.876   1.958    20   13.4   3:52 (248,  0)  

* 117P/Helin-Roman-Alu 1

Now it is 13.5 mag (July 29, Chris Wyatt). It stays observable at 13-14 mag for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  18 25.30  -32 25.8   2.246   3.045   134   13.5  20:59 (  0, 23)  
Aug. 20  18 24.82  -32 20.4   2.317   3.047   128   13.5  20:31 (  0, 23)  

* C/2019 U5 ( PanSTARRS )

Now it is 13.7 mag (July 22, Ken-ichi Kadota). 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 locates extremely low in 2022, but it will be observable in good condition in 2023.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  13 25.13   26 11.5   4.643   4.161    55   13.6  20:24 (100, 33)  
Aug. 20  13 24.78   24 37.1   4.697   4.131    50   13.6  20:13 (101, 29)  

* 29P/Schwassmann-Wachmann 1

Appearing in the morning sky. Now it is 15.9 mag (July 30A. Diepvens).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   6 26.61   29  6.0   6.695   6.013    44   14.0   3:44 (250, 24)  
Aug. 20   6 31.66   29  3.9   6.616   6.016    49   13.9   3:52 (254, 30)  

* 9P/Tempel 1

Now it is 15.0 mag (Aug. 4, Michael Jager). 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)  
Aug. 13  22 58.81  -27  8.3   1.177   2.142   155   14.1   1:35 (  0, 28)  
Aug. 20  22 51.81  -27 52.8   1.203   2.181   159   14.3   1:01 (  0, 27)  

* 116P/Wild 4

Now it is 14.6 mag (Aug. 5, ATLAS South Africa). It becomes too low to observe in mid August in the Northern Hemisphere, or in late September in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  12 17.72   -2  4.4   2.803   2.205    44   14.3  20:24 ( 84,  4)  
Aug. 20  12 30.82   -3 36.5   2.858   2.210    41   14.4  20:13 ( 83,  3)  

* C/2021 F1 ( Lemmon-PanSTARRS )

It brightened up to 9.3 mag from spring to early summer (Mar. 24, Michael Jager). It stayed bright for a while even after the perihelion passaage. But it is fading rapidly now. It has already faded down to 17.1 mag (Aug. 9, iTelescope Observatory, Siding Spring). 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)  
Aug. 13   4 49.76  -49 58.1   1.994   2.221    88   14.4   3:44 (328, -8)  
Aug. 20   5  0.50  -54 55.8   2.049   2.305    91   14.8   3:52 (334, -9)  

* 45P/Honda-Mrkos-Pajdusakova

It brightened up to 6.7 mag in early May (May 10, Mike Olason). It became brighter than originally predicted by 3 mag. Now it is fading rapidly. The condition is very bad in this apparition. It is observable only in the extremely low sky from mid May to mid July in the Northern Hemisphere, or from early June to early August in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  11 10.34    8 30.9   2.701   1.839    25   14.7  20:24 (102, -3)  
Aug. 20  11 25.00    6 58.5   2.812   1.919    22   15.0  20:13 (102, -5)  

* C/2020 Y2 ( ATLAS )

Now it is 14.5 mag (June 19, ATLAS South Africa). It was expected to brighten up to 13 mag in spring. But actually, it is fainter than originally expected. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it is not observable until autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   6 48.66  -40 38.1   3.439   3.180    66   15.1   3:44 (307,-19)  
Aug. 20   6 48.27  -41 26.4   3.409   3.192    69   15.1   3:52 (312,-13)  

* C/2021 T2 ( Fuls )

It is expected to brighten up to 13-14 mag in July. But actually, it is not detected, fainter than 17 mag (July 10, Martin Masek). In the Southern Hemisphere, it stays observable in good condition after this. In the Northern Hemisphere, it is not observable at all.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  12 19.92  -38 26.4   1.700   1.595    66   15.2  20:24 ( 54,-16)  
Aug. 20  12 42.73  -35 14.6   1.872   1.660    62   15.6  20:13 ( 56,-13)  

* 118P/Shoemaker-Levy 4

Now it is 17.4 mag (Aug. 6, E. Cortes, N. Paul). 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)  
Aug. 13   5  8.81   13 54.7   2.274   2.024    62   15.5   3:44 (276, 32)  
Aug. 20   5 24.54   13 58.1   2.191   2.000    65   15.3   3:52 (279, 36)  

* 285P/LINEAR

Now it is very bright in outburst as 14.5 mag (Aug. 8, Michael Jager). It was extremely faint as 20.6 mag on July 29 (Takaaki Oribe). But it suddenly brightened by 4-5 mag up to 16.0 mag on Aug. 1 (ATLAS-MLO, Mauna Loa). It stays observable in good condition for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  18 24.54   13 17.0   1.531   2.282   126   15.3  20:57 (  0, 68)  
Aug. 20  18 23.20   11 48.9   1.534   2.241   121   15.3  20:29 (  0, 67)  

* C/2021 Y1 ( ATLAS )

Now it is 16.9 mag (Aug. 4, Michael Jager). 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. It will be observable in good condition after August also in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   4 53.11   37 18.9   3.899   3.582    64   15.5   3:44 (250, 45)  
Aug. 20   4 58.85   36 48.7   3.740   3.523    69   15.3   3:52 (253, 51)  

* C/2018 U1 ( Lemmon )

Now it is 16.2 mag (July 21, ATLAS South Africa). It stays at 15-16 mag for a long time. 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)  
Aug. 13  14 23.94  -49  0.9   5.331   5.441    90   15.5  20:24 ( 31, -6)  
Aug. 20  14 22.66  -48 53.9   5.458   5.462    84   15.6  20:13 ( 33, -8)  

* C/2022 L1 ( Catalina )

Now it is 16.0 mag (Aug. 2, Michael Jager). It is observable at 15-16 mag in good condition from July to August.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  16 33.12   14 15.1   1.195   1.710   101   15.5  20:24 ( 46, 63)  
Aug. 20  16 10.97   15  8.7   1.332   1.678    90   15.6  20:13 ( 61, 57)  

* 19P/Borrelly

It brightened up to 8.8 mag from winter to early spring (Jan. 31, Chris Wyatt). Now it is fading. It has already faded down to 16.8 mag (July 30, J. Nicolas, F. Kugel). It locates extremely low in the Southern Hemisphere. It will be unobservable in August in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  11 15.01   27 58.9   3.271   2.421    27   15.7  20:24 (118,  9)  
Aug. 20  11 28.46   26 32.0   3.343   2.472    25   15.9  20:13 (117,  8)  

* 119P/Parker-Hartley

Now it is 15.4 mag (Aug. 3, N. Paul, E. Cortes). It will brighten up to 15 mag from summer to winter, and it stays observable in good condition. It locates somwwhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   5 49.20   19 40.3   2.800   2.327    52   15.8   3:44 (264, 27)  
Aug. 20   6  2.78   19 48.4   2.736   2.328    56   15.8   3:52 (267, 32)  

* C/2020 S4 ( PanSTARRS )

Appearing in the morning sky. It will brighten up to 14 mag in early 2023, and it will be observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   7 22.97   17 17.1   4.601   3.762    30   15.9   3:44 (254,  7)  
Aug. 20   7 32.58   17 15.1   4.521   3.734    34   15.8   3:52 (257, 12)  

* 327P/Van Ness

Now it is 16.0 mag (Aug. 3, Michael Jager). It will brighten rapidly up to 15 mag in September, and it will be observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   1 10.82   17  2.6   0.827   1.570   116   16.0   3:44 (359, 72)  
Aug. 20   1 24.30   13 20.6   0.768   1.562   122   15.8   3:32 (  0, 69)  

* 169P/NEAT

It brightened up to 12.8 mag from late June to early July (June 23, Thomas Lehmann). It is not observable after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   8 25.51   14  2.1   1.808   0.874    15   15.9   3:44 (248, -7)  
Aug. 20   8 52.60   12 25.6   1.899   0.962    15   16.9   3:52 (250, -6)  

* P/2022 L3 ( ATLAS )

Now it is 16.2 mag (Aug. 5, J. L. Virlichie, P. Traverse, H. Roy). It will brighten up to 15 mag in autumn, and it will be observable in excellent condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   2 35.53    8 23.7   2.108   2.502   100   16.1   3:44 (318, 57)  
Aug. 20   2 40.86    9 33.6   2.013   2.487   105   16.0   3:52 (329, 61)  

* 255P/Levy

It has not been observed yet in this apparition. It will brighten very rapidly, and it is expected to brighten up to 15 mag in September. It is not observable in the Southern Hemisphere. It locates extremely low even in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   7  0.33   27 13.7   1.527   0.937    36   16.8   3:44 (248, 17)  
Aug. 20   7 38.95   24 38.8   1.526   0.897    34   16.0   3:52 (250, 15)  

* 61P/Shajn-Schaldach

Now it is 16.3 mag (July 29, Ken-ichi Kadota). It is expected to brighten up to 15 mag in autumn, and it will be observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   1 24.44    6 28.7   1.529   2.195   117   16.3   3:44 (352, 61)  
Aug. 20   1 29.55    6 28.1   1.454   2.183   123   16.2   3:38 (  0, 62)  

* C/2020 F5 ( MASTER )

It brightened up to 14 mag in 2021. Now it is fading. It has already faded down to 16.2 mag (Aug. 3, ATLAS-MLO, Mauna Loa). It is observable at 16-17 mag in 2022.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   0  3.55   13 58.2   5.212   5.941   132   16.3   2:40 (  0, 69)  
Aug. 20   0  0.15   14 21.1   5.176   5.977   139   16.3   2:09 (  0, 69)  

* 395P/2020 H1 ( Catalina-NEAT )

Now it is 16.2 mag (Aug. 3, ATLAS-MLO, Mauna Loa). It continued brightening even after the perihelion passage. It stays observable at 16-17 mag in good condition for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  23 24.43    0  2.5   3.339   4.232   147   16.4   2:01 (  0, 55)  
Aug. 20  23 21.90   -0 12.8   3.301   4.242   155   16.4   1:31 (  0, 55)  

* C/2021 G2 ( ATLAS )

Now it is 16.8 mag (June 1, 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)  
Aug. 13   8 21.10  -25  7.6   8.200   7.495    43   16.4   3:44 (282,-28)  
Aug. 20   8 26.03  -25 31.7   8.154   7.459    43   16.4   3:52 (286,-22)  

* 246P/NEAT

Now it is 16.0 mag (Aug. 3, ATLAS-MLO, Mauna Loa). It brightened up to 14 mag from 2020 to 2021. Now it is fading slowly. It is observable at 16.5-17 mag in 2022.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   0 51.51  -16  8.2   3.109   3.855   131   16.5   3:27 (  0, 39)  
Aug. 20   0 49.76  -16 44.4   3.063   3.872   137   16.5   2:58 (  0, 38)  

* C/2021 A1 ( Leonard )

It brightened up to 3 mag from mid December to late December. Now it is fading. It is observable in good condition in the Southern Hemisphere. It is getting observable again also in the Northern Hemisphere. No observations have been reported since June.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  15 58.63  -24  9.2   3.156   3.518   102   16.5  20:24 ( 28, 25)  
Aug. 20  15 57.79  -23 29.3   3.359   3.600    95   16.7  20:13 ( 33, 24)  

* C/2021 X1 ( Maury-Attard )

Now it is 17.1 mag (Apr. 17, ATLAS South Africa). It will brighten up to 14 mag in 2023. In the Southern Hemisphere, it stays observable in good condition for a long time. In the Northern Hemisphere, it is not observable until late August.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   6 41.07  -10 50.9   4.796   4.201    48   16.6   3:44 (283, -1)  
Aug. 20   6 42.02  -11 21.6   4.680   4.161    53   16.5   3:52 (288,  6)  

* 157P/Tritton

Now it is 17.3 mag (Aug. 3, Michael Jager). It stays observable at 16 mag from summer to winter. In the Southern Hemisphere, it locates low until October.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   6 16.87   29 38.7   2.114   1.597    46   16.7   3:44 (251, 26)  
Aug. 20   6 40.22   28 56.1   2.072   1.586    48   16.6   3:52 (253, 28)  

* C/2019 T3 ( ATLAS )

Now it is 16.6 mag (Aug. 7, Purple Mountain Observatory, XuYi Station). 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)  
Aug. 13  21 51.51   10 15.7   6.060   6.987   154   16.6   0:28 (  0, 65)  
Aug. 20  21 46.69    9 22.0   6.064   7.012   157   16.6  23:51 (  0, 64)  

* C/2020 H6 ( ATLAS )

Now it is 16.0 mag (Aug. 1, 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)  
Aug. 13  15 25.27   41 19.5   5.407   5.316    79   16.6  20:24 (113, 61)  
Aug. 20  15 27.42   40 52.2   5.486   5.342    76   16.7  20:13 (113, 58)  

* 408P/2020 M7 ( Novichonok-Gerke )

Now it is 17.4 mag (Aug. 11, W. Hasubick). 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)  
Aug. 13   4  9.17    9 24.7   3.542   3.477    78   16.8   3:44 (291, 42)  
Aug. 20   4 15.34    9  2.8   3.445   3.475    83   16.7   3:52 (298, 47)  

* 44P/Reinmuth 2

Now it is 17.0 mag (July 23, iTelescope Observatory, Mayhill). It will be observable at 16.5 mag in good condition from summer to autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   3 10.44   24 24.0   2.074   2.278    88   16.8   3:44 (284, 62)  
Aug. 20   3 18.64   25  7.3   2.014   2.298    92   16.7   3:52 (289, 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 16.6 mag (July 26, 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)  
Aug. 13   2 20.81  -25 43.0   4.662   5.122   111   16.8   3:44 (342, 27)  
Aug. 20   2 19.44  -25 58.4   4.625   5.163   116   16.8   3:52 (351, 29)  

* C/2019 O3 ( Palomar )

Now it is 16.6 mag (July 29, 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)  
Aug. 13  17 27.88   67 46.5   9.324   9.322    86   16.9  20:24 (176, 57)  
Aug. 20  17 22.21   67 23.2   9.344   9.335    86   17.0  20:13 (172, 57)  

* C/2021 T4 ( Lemmon )

Now it is 16.9 mag (July 29, Ken-ichi Kadota). 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)  
Aug. 13   3 33.97    6 24.4   4.406   4.474    87   17.2   3:44 (302, 46)  
Aug. 20   3 32.88    5 47.1   4.216   4.408    94   17.1   3:52 (313, 52)  

* C/2021 S3 ( PanSTARRS )

Now it is 16.8 mag (Aug. 3, Martin Masek). 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 will appear in the morning sky in mid August also in the Northern Hemisphere, but it stays low in 2022.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   5 59.33  -21 15.3   6.732   6.335    62   17.2   3:44 (297,  1)  
Aug. 20   6  3.21  -21 56.2   6.607   6.275    66   17.1   3:52 (302,  6)  

* 152P/Helin-Lawrence

Now it is 16.4 mag (July 21, J.-C. Merlin). It will be fading gradually after this. It locates somewhat low in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  19 21.64  -28  5.4   2.393   3.294   147   17.1  21:55 (  0, 27)  
Aug. 20  19 19.33  -28 16.8   2.463   3.306   140   17.2  21:25 (  0, 27)  

* 107P/(4015) Wilson-Harrington

Now it is 16.9 mag (Aug. 3, Jean-Francois Soulier). 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)  
Aug. 13   4 18.64   27 15.8   0.468   0.980    72   17.1   3:44 (267, 49)  
Aug. 20   4 57.70   28  3.6   0.506   0.969    70   17.2   3:52 (266, 49)  

* C/2020 U5 ( PanSTARRS )

Now it is 17.1 mag (July 25, ATLAS-MLO, Mauna Loa). 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)  
Aug. 13  17 19.52   72 55.1   3.856   3.874    83   17.2  20:24 (176, 52)  
Aug. 20  17 17.11   70 12.0   3.848   3.889    84   17.2  20:13 (172, 54)  

* C/2020 O2 ( Amaral )

Now it is 16.7 mag (Aug. 5, ATLAS-MLO, Mauna Loa). It was observed at 15 mag in 2021. Now it is fading. It stays observable at 16-17 mag for a while in 2022.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  17 47.94   30 33.3   5.130   5.560   110   17.3  20:24 (  8, 85)  
Aug. 20  17 45.99   30 21.1   5.217   5.585   106   17.3  20:13 ( 46, 83)  

* C/2020 F2 ( ATLAS )

Now it is 17.3 mag (July 18, ATLAS-MLO, Mauna Loa). It stays observable at 17-18 mag for a long time until 2024.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  13 17.00    4 35.5   9.332   8.819    56   17.3  20:24 ( 81, 20)  
Aug. 20  13 17.29    4 29.9   9.429   8.819    50   17.3  20:13 ( 83, 17)  

* C/2022 N1 ( Attard-Maury )

Now it is 16.9 mag (July 31, Toshihiko Ikemura, Hirohisa Sato). It will be fading rapidyly, and it will be fainter than 18 mag in late August.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  16  5.99  -12 24.6   0.960   1.532   101   17.3  20:24 ( 33, 36)  
Aug. 20  15 39.24  -10 49.0   1.149   1.511    88   17.6  20:13 ( 45, 32)  

* P/2021 N2 ( Fuls )

It brightened very rapidly up to 15.5 mag from autumn to winter (Nov. 2, Toshihiko Ikemura, Hirohisa Sato). Now it is fading. Appearing in the morning sky.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   6  2.66   16 18.9   4.700   4.117    49   17.5   3:44 (265, 23)  
Aug. 20   6  9.60   16  1.2   4.635   4.133    54   17.5   3:52 (270, 28)  

* 422P/2021 L1 ( Christensen )

It was observed at 17 mag in 2021. It is observable at 17-18 mag also in 2022.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   2 57.89    8 56.5   3.181   3.425    95   17.5   3:44 (310, 54)  
Aug. 20   2 59.30    9 42.9   3.100   3.445   101   17.5   3:52 (321, 59)  

* C/2020 U4 ( PanSTARRS )

Now it is 17.1 mag (Aug. 11, W. Hasubick). 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)  
Aug. 13   2 43.20   29 41.7   5.299   5.436    92   17.6   3:44 (278, 69)  
Aug. 20   2 38.53   29 44.0   5.180   5.446    99   17.5   3:52 (290, 77)  

* 100P/Hartley 1

Now it is 17.4 mag (July 8, J.-G. Bosch, J. Nicolas, F. Kugel). It is observable at 17 mag from spring to summer. In the Northern Hemisphere, it becomes low in summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  12 56.22   -7  6.6   2.406   2.018    55   17.6  20:24 ( 74,  9)  
Aug. 20  13  8.18   -9 24.2   2.465   2.019    52   17.7  20:13 ( 73,  7)  

* C/2021 QM45 ( PanSTARRS )

Now it is 17.5 mag (July 4, Michael Jager). 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)  
Aug. 13   5 33.06   42  7.0   3.186   2.773    57   17.7   3:44 (241, 39)  
Aug. 20   5 48.75   42 50.0   3.123   2.774    60   17.6   3:52 (241, 43)  

* 444P/2022 C4 ( WISE-PanSTARRS )

Now it is 17.8 mag (July 26, J. Nicolas, F. Kugel). It is observable in excellent condition. But it will be fading rapidly, and it will be fainter than 18 mag in August.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  15 47.41  -28 17.6   0.953   1.516   100   17.7  20:24 ( 28, 20)  
Aug. 20  16  5.05  -31 15.2   1.014   1.535    98   17.9  20:13 ( 27, 18)  

* 99P/Kowal 1

Now it is 17.3 mag (July 18, ATLAS-MLO, Mauna Loa). It will be unobservable in September.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  13 31.33  -10  9.3   5.068   4.729    64   17.7  20:24 ( 66, 14)  
Aug. 20  13 36.23  -10 40.2   5.164   4.732    59   17.8  20:13 ( 68, 11)  

* C/2020 F7 ( Lemmon )

It brightened up to 17 mag in early 2022. Now it is fading. It will be fainter than 18 mag in autumn. It is not observable in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   7 27.48  -47 10.2   6.003   5.697    67   17.8   3:44 (310,-28)  
Aug. 20   7 30.83  -48 22.0   6.001   5.715    68   17.8   3:52 (314,-23)  

* 378P/2019 E2 ( McNaught )

Now it is 18.6 mag (Aug. 4, W. Hasubick). It stays 18 mag for a long time even after the perihelion passage.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   2 34.24   -5 33.6   4.751   5.104   104   17.9   3:44 (329, 45)  
Aug. 20   2 34.99   -5 51.7   4.680   5.129   110   17.8   3:52 (341, 47)  

* 442P/2022 G1 ( McNaught )

Now it is 18.7 mag (July 26, J.-G. Bosch, J. Nicolas, F. Kugel). It stays observable at 18 mag in good condition from August to September.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  23 57.39   -8 38.9   1.430   2.323   143   17.9   2:33 (  0, 46)  
Aug. 20  23 56.40   -8 41.8   1.390   2.322   150   17.9   2:05 (  0, 46)  

* C/2019 E3 ( ATLAS )

Now it is 17.3 mag (June 27, 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)  
Aug. 13   8  4.55  -63 18.1  10.732  10.601    79   17.9   3:44 (327,-37)  
Aug. 20   8  7.80  -63 45.4  10.736  10.592    79   17.9   3:52 (328,-33)  

* (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)  
Aug. 13   4  9.82   40  4.8   1.639   1.653    72   17.9   3:44 (248, 54)  
Aug. 20   4 12.17   41  6.5   1.604   1.720    78   18.0   3:52 (247, 60)  

* 325P/Yang-Gao

Now it is 18.8 mag (July 25, Toshihiko Ikemura, Hirohisa Sato). It was expected to be observable at 16 mag in good condition in spring. But actually, it is fainter than predicted by 2-3 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13  20 37.41   10 47.9   1.071   2.019   151   19.7  23:10 (  0, 66)  
Aug. 20  20 32.44   10 10.6   1.130   2.066   149   19.9  22:37 (  0, 65)  

* C/2014 F3 ( Sheppard-Trujillo )

Now it is 20.0 mg (Aug. 4, J. Maikner). At the discovery, it was expected to be observable at 16-17 mag for a long time from 2020 to 2022. It had been lost for a long time since 2015, but the recent observations are found. Actually, it brigthens up to 20-21 mag at best.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 13   0 53.99   11  7.2   5.614   6.225   123   21.3   3:30 (  0, 66)  
Aug. 20   0 53.18   11 10.5   5.543   6.241   129   21.2   3:02 (  0, 66)  

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