Weekly Information about Bright Comets (2018 Apr. 7: North)

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Updated on April 7, 2018
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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/2016 R2 ( PanSTARRS )

Now it is 11.2 mag (Mar. 20, Juan Jose Gonzalez). It stays bright as 11 mag for a long time. In the Southern Hemisphere, it is not observable for a long time after this. In the Northern Hemispehre, it stays observable for a long time until the comet fades out. But it will be getting lower gradually after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   4 37.00   38 38.6   3.017   2.625    57   10.9  19:52 (114, 40)  
Apr. 14   4 46.94   40  5.9   3.081   2.617    53   11.0  19:59 (118, 36)  

* C/2016 M1 ( PanSTARRS )

Now it is bright as 11.3 mag (Mar. 24, Marco Goiato). It is expected to brighten up to 9 mag in summer. In the Southern Hemisphere, it stays observable in good condition for a long time until the comet will fade out. In the Northern Hemisphere, it is observable only until June.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  19 37.91   -3 42.1   2.583   2.630    81   11.3   4:12 (311, 38)  
Apr. 14  19 40.44   -5  1.8   2.426   2.589    87   11.1   4:01 (315, 39)  

* C/2016 N6 ( PanSTARRS )

Now it is 12.0 mag (Mar. 20, Juan Jose Gonzalez). It stays 12 mag for a long time until spring in 2019. In the Northern Hemisphere, it stays observable in good condition for a long time, although it becomes unobservable temporarily from mid June to August. In the Southern Hemisphere, it is not observable until September.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   8 14.83   71 17.5   2.705   2.875    89   12.1  19:52 (175, 54)  
Apr. 14   8  0.12   67 36.1   2.764   2.849    84   12.1  19:59 (165, 55)  

* 66P/du Toit

Now it is 17.0 mag (Mar. 25, B. Lutkenhoner). It will brighten rapidly after this, and will brighten up to 12 mag from April to June. In the Southern Hemisphere, it stays observable in excellent condition. In the Northern Hemisphere, it will be unobservable from April to June when the comet becomes brightest.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  19 32.08  -39  2.2   1.016   1.407    88   13.2   4:12 (333,  9)  
Apr. 14  20  9.91  -39 48.6   0.974   1.373    87   12.8   4:01 (330,  7)  

* C/2015 O1 ( PanSTARRS )

Now it is very bright as 12.8 mag (Mar. 12, Seiichi Yoshida). It will be observable at 12-13 mag for a long time from 2017 to 2018. In the Southern Hemisphere, it will be hardly observable after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  15 17.92   52 50.4   3.234   3.753   113   12.9   2:19 (180, 72)  
Apr. 14  14 56.39   54 39.1   3.247   3.760   113   12.9   1:30 (180, 70)  

* 169P/NEAT

The condition of this apparition is worst. It brightens up to 12.5 mag from April to May. But it is not observable at all.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   0  2.01    1 47.7   1.651   0.740    15   14.3   4:12 (261, -9)  
Apr. 14   0 42.97    4 49.8   1.622   0.674    11   13.4   4:01 (255,-12)  

* 29P/Schwassmann-Wachmann 1

Appearing in the morning sky. Now it is a bit brighter, 15.7 mag (Apr. 3, Jean-Francois Soulier).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  22 46.34   -4 15.6   6.572   5.788    35   13.8   4:12 (277,  3)  
Apr. 14  22 50.92   -3 40.9   6.504   5.787    41   13.8   4:01 (278,  6)  

* C/2017 T3 ( ATLAS )

Now it is 15.1 mag (Mar. 16, Kunihiro Shima). It will brighten up to 9 mag in summer. However, it is hardly observable when it is bright. In the Northern Hemisphere, it will be unobservable soon. Then it is not observable until late December. In the Southern Hemisphere, it is observable from July to September, but it locates in extremely low.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   1 44.95   33 59.0   2.742   1.930    29   14.0  19:52 (127,  7)  
Apr. 14   1 59.35   32 41.7   2.701   1.837    24   13.8  19:59 (129,  3)  

* 37P/Forbes

Now it is 15.4 mag (Apr. 3, Jean-Francois Soulier). It will be observable at 14 mag in good condition from spring to summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  20 35.47  -25 18.3   1.632   1.632    72   14.3   4:12 (314, 13)  
Apr. 14  20 55.58  -23 44.8   1.578   1.623    74   14.2   4:01 (312, 14)  

* 185P/Petriew

It brightened up to 11 mag in February. Now it is fading. It has already faded down to 14.5 mag (Apr. 5, Martin Masek). It stays observable in the evening sky until the comet fades out.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   4 49.12   11  1.2   1.622   1.350    56   14.4  19:52 ( 82, 30)  
Apr. 14   5 15.94   11 33.5   1.706   1.415    56   15.0  19:59 ( 84, 29)  

* C/2015 V2 ( Johnson )

It brightened up to 7.1 mag from May to June in 2017 (June 21, Juan Jose Gonzalez). Now it is fading. It has already faded down to 15.2 mag (Mar. 4, B. Lutkenhoner). In the Southern Hemisphere, it stays observable for a long time after this. It will never be observable again in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   0 23.76  -44  8.7   4.474   3.930    51   14.6   4:12 (303,-35)  
Apr. 14   0 34.37  -43 43.8   4.497   3.996    54   14.7   4:01 (303,-34)  

* 62P/Tsuchinshan 1

It brightened up to 9.2 mag from November to December (Nov. 16, Juan Jose Gonzalez). Now it is fading rapidly. It has already faded down to 16.5 mag (Mar. 24, Toshihiko Ikemura, Hirohisa Sato). It stays observable in good condition until summer when it fades out.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  14  9.48    5 21.6   1.068   2.036   159   14.9   1:11 (  0, 60)  
Apr. 14  14  1.79    5 33.8   1.104   2.084   162   15.3   0:35 (  0, 60)  

* 48P/Johnson

Now it is 17.1 mag (Mar. 24, Toshihiko Ikemura, Hirohisa Sato). It will brighten rapidly after this, and it will brighten up to 11 mag from summer to autumn. 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)  
Apr.  7  20 20.55  -16 55.5   2.303   2.234    73   15.3   4:12 (311, 22)  
Apr. 14  20 33.59  -16 34.7   2.206   2.212    77   15.0   4:01 (312, 22)  

* C/2017 K6 ( Jacques )

It brightened up to 12.7 mag in winter (Jan. 6, Thomas Lehmann). Now it is fading. It has already faded down to 15.0 mag (Mar. 22, Toshihiko Ikemura, Hirohisa Sato). It will be getting lower gradually after this in the evening sky. It will be unobservable in May.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   3 58.01   10 57.0   2.916   2.297    43   15.0  19:52 ( 90, 20)  
Apr. 14   4  9.00   13 20.1   3.021   2.339    39   15.1  19:59 ( 96, 16)  

* C/2017 M4 ( ATLAS )

Now it is 15.7 mag (Mar. 16, Toshihiko Ikemura, Hirohisa Sato). It is expected to brighten up to 13-14 mag from 2018 to 2019. In the Northern Hemisphere, it stays observable in good condition for a long time. In the Southern Hemisphere, it locates extremely low until summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  19 37.96   42 10.1   4.281   4.205    78   15.4   4:12 (245, 61)  
Apr. 14  19 35.45   42 55.7   4.179   4.166    82   15.3   4:01 (242, 64)  

* C/2017 B3 ( LINEAR )

Now it is 16.2 mag (Mar. 17, S. G. McAndrew). It stays 15 mag from 2018 to 2019, and it will be observable for a long time in the Southern Hemisphere. In the Northern Hemisphere, it will never be observable again.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  13 34.69  -66 16.5   4.111   4.693   120   15.5   0:37 (  0,-11)  
Apr. 14  13 23.07  -67  2.9   4.050   4.662   122   15.4  23:52 (  0,-12)  

* 65P/Gunn

Appearing in the morning sky in the Southern Hemisphere. It is observable at 15 mag in good condition in 2018. It is not observable until May in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  22  8.34  -19 19.0   3.577   3.033    50   15.9   4:12 (295,  1)  
Apr. 14  22 18.01  -18 40.5   3.514   3.043    54   15.9   4:01 (295,  3)  

* C/2016 A1 ( PanSTARRS )

Now it is 16.2 mag (Mar. 11, Toshihiko Ikemura, Hirohisa Sato). It stays 16 mag for a long time from 2017 to 2018. It is observable in excellent condition in the Northern Hemisphere. It locates very low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   7  7.65   44 20.2   5.392   5.421    86   15.9  19:52 (123, 68)  
Apr. 14   7  6.08   44 30.5   5.521   5.431    79   15.9  19:59 (120, 61)  

* C/2015 VL62 ( Lemmon-Yeung-PanSTARRS )

Appearing in the morning sky. It is fading now. But it stays 16 mag until summer. But actually, it is 18.1 mag (Mar. 23, Toshihiko Ikemura, Hirohisa Sato), fainter than this ephemeris.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  19  8.22  -23 59.5   3.364   3.532    91   16.0   4:12 (331, 25)  
Apr. 14  19  1.23  -24 34.9   3.265   3.576    99   15.9   4:01 (336, 27)  

* 74P/Smirnova-Chernykh

Now it is 16.1 mag (Mar. 12, Toshihiko Ikemura, Hirohisa Sato). It will be fading slowly until summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  11 27.50   13  7.3   2.648   3.545   149   16.0  22:25 (  0, 68)  
Apr. 14  11 24.46   13 13.3   2.702   3.547   142   16.1  21:54 (  0, 68)  

* (3552) Don Quixote

It brightens up to 16 mag in spring. In the Southern Hemisphere, it stays observable until August, but it will be unobservable after that. In the Northern Hemisphere, it stays unobservable until June, but it will be observable in good condition after that. Its cometary activity was observed on Mar. 26 (M. Mommert, D. Polishook, N. Moskovitz).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  22 28.61  -35 13.7   1.578   1.302    55   16.1   4:12 (305,-12)  
Apr. 14  22 54.65  -31 30.5   1.558   1.277    54   16.1   4:01 (301,-11)  

* 21P/Giacobini-Zinner

Now it is 18.6 mag (Mar. 13, Toshihiko Ikemura, Hirohisa Sato). It will brighten rapidly, and brighten up to 7 mag from August to September. In the Northern Hemisphere, it will be observable in excellent condition. In the Southern Hemisphere, it will be unobservable from July to August. But it will be observable in good condition before and after tha.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  19  5.21    9 58.7   1.976   2.185    88   16.5   4:12 (307, 54)  
Apr. 14  19 15.86   12 13.4   1.854   2.123    90   16.1   4:01 (307, 57)  

* C/2017 S3 ( PanSTARRS )

It is expected to approach to Sun down to 0.2 a.u. and brighten up to 3 mag in August. Now it is 17.5 mag (Mar. 24, D. Buczynski). In the Northern Hemisphere, it stays observable in the morning sky until early August when the comet brightens up to 6 mag. It is not observable at all in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  23  1.59   52 31.3   3.139   2.645    52   16.7   4:12 (224, 29)  
Apr. 14  23 15.97   52 59.0   3.049   2.544    51   16.5   4:01 (223, 29)  

* C/2014 B1 ( Schwartz )

Now it is 16.2 mag (Mar. 12, Toshihiko Ikemura, Hirohisa Sato). It will be fading slowly after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  10 18.21    8  8.6   8.876   9.627   136   16.5  21:16 (  0, 63)  
Apr. 14  10 17.64    8 23.9   8.963   9.632   129   16.6  20:48 (  0, 63)  

* C/2017 T1 ( Heinze )

It brightened up to 9-10 mag from December to February. Now it is fading very rapidly. It has already faded down to 16.1 mag (Mar. 28, Martin Masek). In the Northern Hemisphere, it stays extremely low after this. In the Southern Hemisphere, it will be getting higher in the morning sky after this, then it stays observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  21 59.25  -15  3.8   1.417   1.094    50   16.7   4:12 (293,  6)  
Apr. 14  22  5.68  -19 59.3   1.393   1.206    57   17.1   4:01 (298,  5)  

* C/2017 O1 ( ASASSN )

It brightened up to 8.1 mag in autumn (Oct. 3, Juan Jose Gonzalez). Now it is fading rapidly. It has already faded down to 17.9 mag (Mar. 11, Toshihiko Ikemura, Hirohisa Sato). In the Northern Hemisphere, it stays observable in good condition for a long time. In the Southern Hemisphere, it will never be observable again after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   8  0.98   63 25.7   2.527   2.727    90   16.8  19:52 (168, 61)  
Apr. 14   8 14.68   61 17.8   2.655   2.796    87   17.1  19:59 (162, 61)  

* C/2016 N4 ( MASTER )

Now it is 16.4 mag (Mar. 14, Toshihiko Ikemura, Hirohisa Sato). It will be fading after this. In the Northern Hemisphere, it stays observable in the northern sky for a long time. It is not observable at all after this in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  23 27.34   83 47.4   3.813   3.730    77   16.8   4:12 (187, 34)  
Apr. 14   0 41.42   85 43.8   3.868   3.764    76   16.9   4:01 (185, 34)  

* 143P/Kowal-Mrkos

Now it is 16.8 mag (Apr. 5, Martin Masek). It is observable at 17 mag in good condition in spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  12 56.97  -12 18.8   1.543   2.541   174   16.8  23:54 (  0, 43)  
Apr. 14  12 52.98  -11 41.8   1.542   2.537   171   16.9  23:22 (  0, 43)  

* C/2018 A3 ( ATLAS )

Now it is 16.8 mag (Mar. 12, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 15 mag in January, 2019. It stays observable in excellent condition in the Northern Hemispehre. It is observable only until June in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  11 32.47   29 33.5   3.385   4.182   137   16.9  22:29 (  0, 85)  
Apr. 14  11 21.59   30 52.9   3.430   4.144   129   16.9  21:51 (  0, 86)  

* C/2010 U3 ( Boattini )

Now it is 16.5 mag (Mar. 12, Toshihiko Ikemura, Hirohisa Sato). It has not been brightening well since the discovery in 2010. It is observable in good conditioin in the Northern Hemisphere. It is not observable for a long time in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   6  1.24   73  7.8   8.792   8.662    79   16.9  19:52 (163, 46)  
Apr. 14   6  8.68   72 46.0   8.851   8.653    75   16.9  19:59 (161, 45)  

* C/2014 OE4 ( PanSTARRS )

Now it is 16.7 mag (Mar. 17, Toshihiko Ikemura, Hirohisa Sato). It will be fading gradually after this, and 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 will never be observable again.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  22 14.11   65 17.9   7.409   7.054    65   17.0   4:12 (211, 37)  
Apr. 14  22 24.22   66  1.9   7.444   7.076    64   17.0   4:01 (210, 38)  

* C/2018 E1 ( ATLAS )

Now it is 16.8 mag (Mar. 15, iTelescope Observatory, Siding Spring). In the Southern Hemisphere, it is observable at 17 mag in good condition. It will be too low to observe in June. In the Northern Hemisphere, it locates extremely low only in spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7   5 25.73  -32 19.8   2.813   2.707    73   17.0  19:52 ( 42,  7)  
Apr. 14   5 38.63  -29 28.5   2.849   2.706    71   17.0  19:59 ( 48,  6)  

* C/2017 D3 ( ATLAS )

Now it is 17.3 mag (Mar. 12, Toshihiko Ikemura, Hirohisa Sato). It will be fading after this, and it will be fainter than 18 mag in July.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  11 53.72   22 22.4   4.766   5.628   146   17.0  22:50 (  0, 77)  
Apr. 14  11 47.66   23 24.7   4.855   5.652   139   17.1  22:17 (  0, 78)  

* C/2017 E3 ( PanSTARRS )

Now it is 16.4 mag (Mar. 13, Toshihiko Ikemura, Hirohisa Sato). It will be fainter than 18 mag in summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  14 57.48  -14  0.2   5.415   6.307   150   17.2   1:58 (  0, 41)  
Apr. 14  14 54.65  -13  4.9   5.381   6.324   158   17.2   1:28 (  0, 42)  

* C/2018 C2 ( Lemmon )

Now it is 17.3 mag (Mar. 22, Toshihiko Ikemura, Hirohisa Sato). It is observable at 17 mag from spring to summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  15 13.61   41 43.2   1.351   2.074   123   17.3   2:14 (180, 83)  
Apr. 14  15 11.89   41 39.0   1.312   2.048   123   17.2   1:45 (180, 83)  

* 30P/Reinmuth 1

Now it is 17.7 mag (Mar. 25, D. Buczynski). It stays observable at 17-18 mag in good condition for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  15 15.66   -5 28.0   1.776   2.670   146   17.3   2:17 (  0, 49)  
Apr. 14  15 11.08   -4 58.1   1.769   2.706   154   17.4   1:44 (  0, 50)  

* 365P/2017 U6 ( PanSTARRS )

It brightened up to 15.7 mag in February (Feb. 11, Catalina Sky Survey). Now it is fading rapidly. It has already faded down to 16.9 mag (Mar. 24, Toshihiko Ikemura, Hirohisa Sato). It will be fainter than 18 mag in late April.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  13 20.20   21 13.5   0.530   1.489   151   17.4   0:21 (  0, 76)  
Apr. 14  13 17.41   19 25.9   0.563   1.521   151   17.6  23:47 (  0, 74)  

* C/2014 R3 ( PanSTARRS )

Now it is 17.1 mag (Mar. 12, Toshihiko Ikemura, Hirohisa Sato). It will be fading gradually after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  10 53.98   39  1.9   7.598   8.220   125   17.4  21:51 (180, 86)  
Apr. 14  10 49.78   38 34.8   7.697   8.240   119   17.4  21:20 (180, 87)  

* 24P/Schaumasse

It brightened up to 9.7 mag in November (Nov. 16, Juan Jose Gonzalez). Now it is fading rapidly. It has already faded down to 16.6 mag (Mar. 22, W. Hasubick).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  16 49.66  -13  3.5   1.347   2.077   123   17.4   3:50 (  0, 42)  
Apr. 14  16 45.96  -13 14.2   1.336   2.136   131   17.7   3:19 (  0, 42)  

* C/2017 M5 ( TOTAS )

Now it is 18.4 mag (Mar. 17, Toshihiko Ikemura, Hirohisa Sato). It stays observable at 17 mag in good condition from spring to autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  20 42.79   -2 40.5   6.350   6.003    65   17.5   4:12 (296, 28)  
Apr. 14  20 46.63   -2  9.2   6.251   6.000    70   17.4   4:01 (298, 31)  

* 187P/LINEAR

Now it is 19.7 mag (Mar. 24, Toshihiko Ikemura, Hirohisa Sato). It was predicted to be observable at 17.5 mag in good condition from spring to summer. But recently, it is fainter than predicted.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  16 37.79   -8 41.4   3.204   3.884   126   17.8   3:38 (  0, 46)  
Apr. 14  16 36.85   -8 29.7   3.126   3.883   133   17.8   3:10 (  0, 46)  

* 186P/Garradd

Now it is 17.9 mag (Mar. 16, ATLAS-HKO, Haleakala). It stays 18 mag from 2018 to 2020. It is observable in good condition in the Southern Hemisphere. It locates extremely low in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  12 42.22  -38 17.8   3.647   4.527   148   17.9  23:39 (  0, 17)  
Apr. 14  12 36.99  -38  9.3   3.634   4.522   148   17.9  23:06 (  0, 17)  

* 105P/Singer Brewster

Now it is 17.2 mag (Mar. 22, Kunihiro Shima). It is observable at 18 mag in good condition in spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  12 29.36   -3 19.1   1.258   2.253   171   17.9  23:26 (  0, 52)  
Apr. 14  12 25.37   -2 10.2   1.254   2.232   162   17.9  22:55 (  0, 53)  

* 2011 KE

It has passed the perihelion on Jan. 23, and it approached to the Sun down to 0.1 a.u. It was observed at 19.1 mag in good condition in March (Mar. 24, Steward Observatory, Mt. Lemmon Station). It is observable at 19.5 mag in good condition in March. It will fade out rapidly after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Apr.  7  12  3.40   -4 12.8   0.666   1.653   165   20.5  22:59 (  0, 51)  
Apr. 14  11 46.18   -1 39.6   0.795   1.751   153   21.2  22:15 (  0, 53)  

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