Weekly Information about Bright Comets (2019 Mar. 23: North)

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Updated on March 24, 2019
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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/2018 Y1 ( Iwamoto )

It approached to Earth down to 0.3 a.u. in mid February, and brightened up to 5.5 mag (Feb. 13, Juan Jose Gonzalez). Now it is fading. But it is still bright as 8.7 mag (Mar. 11, Marco Goiato). In the Southern Hemisphere, it will be unobservable soon. In the Northern Hemisphere, it will be getting lower gradually after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   4 30.71   33 33.6   1.446   1.445    69   10.2  19:38 (102, 51)  
Mar. 30   4 26.52   33 23.3   1.672   1.494    62   10.7  19:44 (105, 44)  

* C/2016 M1 ( PanSTARRS )

It brightened up to 7.7 mag in June (June 19, Juan Jose Gonzalez). Now it is fading. But it is still bright as 11.2 mag (Mar. 4, Chris Wyatt). 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 not observable for a long time until autumn when the comet fades out down to 16 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   4 16.91  -52 30.4   3.458   3.330    74   12.1  19:38 ( 29, -8)  
Mar. 30   4 26.95  -49 44.4   3.535   3.384    73   12.2  19:44 ( 33, -8)  

* 78P/Gehrels 2

Now it is 13.5 mag (Jan. 27, Toshihiko Ikemura, Hirohisa Sato). It will be unobservable temporarily soon. But it will appear in the morning sky again at 13-14 mag in August.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   1 40.02    9 42.9   2.875   2.016    24   12.4  19:38 ( 98,  6)  
Mar. 30   1 56.11   10 59.3   2.904   2.014    22   12.4  19:44 (101,  3)  

* 46P/Wirtanen

It approached to Earth down to 0.08 a.u. in mid December, and it brightened up to 3.4 mag (Dec. 14, Seiichi Yoshida). it looked so large as 3 times of Moon. Now it is fading. It has already faded down to 10.6 mag (Mar. 9, Juan Jose Gonzalez). In the Northern Hemisphere, it stays observable in excellent condition. In the Southern Hemisphere, it stays low for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   9 51.96   38 27.1   0.814   1.644   130   12.6  21:50 (180, 87)  
Mar. 30   9 57.74   36 14.3   0.909   1.703   126   13.3  21:28 (180, 89)  

* C/2018 N2 ( ASASSN )

Now it is 14.3 mag (Feb. 21, Thomas Lehmann). It will brighten up to 10-11 mag in autumn. Now it is not observable. It will appear in the morning sky in mid May in the Southern Hemisphere, or in late June in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   1 28.54  -13 11.9   4.719   3.836    24   13.2  19:38 ( 81,-10)  
Mar. 30   1 33.10  -11 34.0   4.711   3.799    21   13.2  19:44 ( 86,-15)  

* C/2018 A6 ( Gibbs )

Now it is bright as 13.5 mag (Mar. 3, Taras Prystavski). It stays 13 mag for a long time in 2019. In the Southern Hemisphere, it is observable in excellent condition. In the Northern Hemisphere, it is not observasble until summer in 2020.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   8 32.03  -59 57.7   2.728   3.179   107   13.2  20:28 (  0, -5)  
Mar. 30   8 14.06  -59 18.1   2.740   3.161   105   13.2  19:44 (  0, -4)  

* 123P/West-Hartley

Now it is 12.3 mag (Mar. 5, Marco Goiato). It is observable in excellent 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)  
Mar. 23  11  8.88   30 36.5   1.259   2.157   145   13.5  23:06 (  0, 85)  
Mar. 30  11  4.75   29 36.3   1.299   2.167   140   13.6  22:34 (  0, 84)  

* C/2017 M4 ( ATLAS )

Now it is 13.9 mag (Mar. 13, Ken Harikae). It stays 13-14 mag until summer. It is observable in excellent condition in the Southern Hemisphere. In the Northern Hemisphere, it will be getting lower gradually, and it will be unobservable in July.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  17 26.49  -26  0.4   2.997   3.308    99   13.6   4:36 (347, 28)  
Mar. 30  17 21.42  -27 50.2   2.885   3.321   107   13.5   4:25 (353, 27)  

* 29P/Schwassmann-Wachmann 1

It is not observable now. It will appear in the morning sky in May.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  23 54.18    5 55.1   6.757   5.767     6   13.9   4:36 (253,-12)  
Mar. 30  23 59.46    6 32.8   6.752   5.767     8   13.9   4:25 (255,-10)  

* C/2018 L2 ( ATLAS )

Now it is 12.6 mag (Mar. 8, Ken Harikae). It will be fading gradually after this. In the Northern Hemisphere, it stays observable for a long time until it fades out. But it stays extremely low. It will never be observable again in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  23 24.85   42  1.8   2.850   2.218    42   13.9   4:36 (229, 15)  
Mar. 30  23 46.58   43  5.4   2.932   2.273    40   14.3   4:25 (227, 15)  

* C/2016 N6 ( PanSTARRS )

Now it is 14.0 mag (Mar. 8, Toshihiko Ikemura, Hirohisa Sato). It will be fading after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   5 34.10  -20 33.9   3.666   3.674    82   14.2  19:38 ( 33, 27)  
Mar. 30   5 33.67  -20 16.7   3.806   3.721    77   14.4  19:44 ( 41, 23)  

* 64P/Swift-Gehrels

It brightened up to 9.0 mag from autumn to winter (Nov. 16, Maik Meyer). Now it is fading. But it is bright as 12.4 mag still now (Feb. 23, Seiichi Yoshida). It is observable in excellent condition in the Northern Hemisphere. It stays low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   5 55.57   23 54.8   1.900   2.102    87   14.3  19:38 ( 70, 65)  
Mar. 30   6  9.40   23 29.7   2.028   2.155    83   14.8  19:44 ( 75, 61)  

* 38P/Stephan-Oterma

It brightened up to 9.5 mag from autumn to winter (Dec. 14, Marco Goiato). Now it is fading. But it is bright as 12.6 mag still now (Feb. 23, Seiichi Yoshida). In the Northern Hemisphere, it stays observable in good condition for a long time until it fades out. It locates low in the Southern Hemispehre.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   8 45.10   43  4.3   1.619   2.256   117   14.4  20:44 (180, 82)  
Mar. 30   8 51.97   41 53.2   1.736   2.312   112   14.8  20:23 (180, 83)  

* 60P/Tsuchinshan 2

Now it is 13.5 mag (Mar. 4, Chris Wyatt). It will be fading after this, and it will be fainter than 18 mag in May.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  11 26.33   -4 35.0   0.908   1.896   169   14.6  23:23 (  0, 50)  
Mar. 30  11 23.07   -3 57.9   0.953   1.930   162   14.9  22:53 (  0, 51)  

* C/2016 R2 ( PanSTARRS )

Now it is 15.3 mag (Mar. 8, Toshihiko Ikemura, Hirohisa Sato). It will be fading slowly after this. It is observable in good condition in the Northern Hemisphere. In the Southern Hemisphere, it stays extremely low for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  15 59.35   47 13.4   3.680   4.134   110   14.7   4:00 (180, 78)  
Mar. 30  15 55.00   47 44.2   3.702   4.185   112   14.8   3:28 (180, 77)  

* C/2017 T2 ( PanSTARRS )

Now it is 13.6 mag (Feb. 27, S. Szabo). It is expected to brighten up to 7 mag in 2020. It will be unobservable temporarily in April.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   3 10.34    4 27.0   5.586   4.946    46   14.9  19:38 ( 80, 21)  
Mar. 30   3 13.91    5 17.6   5.601   4.883    40   14.8  19:44 ( 86, 15)  

* C/2017 B3 ( LINEAR )

Now it is 14.5 mag (Aug. 16, P. Camilleri, H. Williams). 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)  
Mar. 23  23  1.38  -52  0.6   4.438   3.944    54   14.9   4:36 (315,-31)  
Mar. 30  23 12.41  -50 57.9   4.404   3.951    57   14.9   4:25 (314,-29)  

* C/2015 O1 ( PanSTARRS )

Now it is 14.9 mag (Mar. 1, Toshihiko Ikemura, Hirohisa Sato). It will be fading slowly after this. It is observable in excellent condition until spring in the Northern Hemispehre. 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)  
Mar. 23   9 17.74   42 43.8   4.463   5.067   122   15.0  21:15 (180, 82)  
Mar. 30   9  9.24   41 59.1   4.597   5.106   115   15.1  20:39 (180, 83)  

* (944) Hidalgo

Now it is 14.2 mag (Feb. 4, ATLAS-MLO, Mauna Loa). It will be fading gradually after this. It is observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it is not observable until summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   9 24.90   67 50.3   1.945   2.417   105   15.3  21:23 (180, 57)  
Mar. 30   9 25.41   64 54.0   2.020   2.456   103   15.4  20:56 (180, 60)  

* C/2019 D1 ( Flewelling )

Now it is 16.4 mag (Mar. 11, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 15 mag from May to June, and it will be observable in good condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  19 45.41   -2 43.9   1.871   1.715    65   15.7   4:36 (300, 32)  
Mar. 30  20  5.11    0 28.9   1.802   1.680    66   15.5   4:25 (297, 33)  

* C/2018 R3 ( Lemmon )

It will brighten up to 14 mag from May to June. However, it locates very low in the Northern Hemisphere, and it is not observable in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  22 49.45   26 49.5   2.472   1.711    32   15.8   4:36 (246, 12)  
Mar. 30  23  4.64   30 29.6   2.378   1.647    34   15.5   4:25 (243, 15)  

* C/2018 W2 ( Africano )

It is expected to brighten up to 10 mag in autumn. Now it is 16.5 mag (Feb. 27, Thomas Lehmann). In the Northern Hemisphere, it stays observable for a long time while the comet is brightening. In the Southern Hemisphere, it it not observable until mid September.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   2 20.80   84 16.4   2.555   2.653    84   15.8  19:38 (173, 36)  
Mar. 30   2 44.74   81 15.8   2.575   2.582    79   15.7  19:44 (169, 36)  

* P/2014 C1 ( TOTAS )

First return of a new periodic comet discovered in 2014. The condition of this apparition is excelllent. It was expected to brighten rapidly, and to be observable at 15.5 mag in excellent condition in March. But it has not been recovered yet. In December, it was not detected, fainter than 20.0 mag (Dec. 10, Toshihiko Ikemura, Hirohisa Sato).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  10  6.61   11 34.4   0.811   1.737   147   15.9  22:04 (  0, 67)  
Mar. 30  10  6.78   11 55.9   0.831   1.724   140   16.0  21:37 (  0, 67)  

* C/2018 A3 ( ATLAS )

Now it is 16.5 mag (Mar. 7, Toshihiko Ikemura, Hirohisa Sato). It will be fading after this. In the Northern Hemisphere, it stays observable for a long time, but it will be extremely low from May to June. It is not observable at all in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   3 41.03   57 33.3   3.534   3.341    70   16.0  19:38 (139, 45)  
Mar. 30   3 41.64   55 57.9   3.659   3.355    64   16.1  19:44 (137, 40)  

* C/2018 F4 ( PanSTARRS )

Now it is 17.4 mag (Jan. 3, Toshihiko Ikemura, Hirohisa Sato). It stays 16 mag for a long time from 2019 to 2020. It is observable in excellent condition in the Southern Hemisphere. It is hardly observable in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  13 39.60  -54 15.2   3.528   4.158   123   16.4   1:41 (  0,  1)  
Mar. 30  13 26.60  -55 36.1   3.448   4.123   126   16.3   1:01 (  0, -1)  

* 240P/NEAT

Although it was faint as 16-17 mag in November, it brightened up to 14.7 mag in December (Dec. 12, Toshihiko Ikemura, Hirohisa Sato). It is bright as 15.6 mag still now (Mar. 8, Toshihiko Ikemura, Hirohisa Sato). In the Northern Hemisphere, it stays observable in excellent condition after this. It stays extremely low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  10 38.31   42 55.6   2.331   3.088   132   16.6  22:36 (180, 82)  
Mar. 30  10 34.24   42 24.6   2.415   3.119   126   16.8  22:04 (180, 83)  

* A/2017 U7

Asteroid, but it brightened rapidly. Now it is 17.3 mag (Nov. 14, Kunihiro Shima). It is observable in excellent condition in the Southern Hemisphere. It is hardly observable in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  22 25.23  -36  8.2   7.206   6.523    43   16.7   4:36 (302,-18)  
Mar. 30  22 26.51  -36  3.7   7.123   6.514    49   16.7   4:25 (304,-15)  

* C/2010 U3 ( Boattini )

Now it is 16.8 mag (Mar. 8, Toshihiko Ikemura, Hirohisa Sato). It stays 16-17 mag for a long time until 2020. It is observable in good condition in the Northern Hemisphere. It is not observable at all in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  11  7.65   73 47.1   8.135   8.447   104   16.7  23:05 (180, 51)  
Mar. 30  11  1.77   73 23.4   8.186   8.448   101   16.7  22:32 (180, 52)  

* 74P/Smirnova-Chernykh

Now it is 17.2 mag (Mar. 7, Toshihiko Ikemura, Hirohisa Sato). It is observable at 17 mag in good condition in 2019. It locates somewhat low in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  15 57.68  -16 29.8   3.200   3.810   120   17.0   3:58 (  0, 38)  
Mar. 30  15 57.17  -16 29.0   3.121   3.818   128   16.9   3:30 (  0, 38)  

* 239P/LINEAR

Now it is 17.5 mag (Mar. 8, Toshihiko Ikemura, Hirohisa Sato). It had been brightening even after the perihelion passage, but it is fading now. It will be fainter than 18 mag in May.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   8 29.04   -1 14.1   1.042   1.814   125   17.0  20:27 (  0, 54)  
Mar. 30   8 37.64   -0 55.7   1.116   1.845   121   17.1  20:08 (  0, 54)  

* C/2017 T3 ( ATLAS )

It brightened up to 8.7 mag in July (July 18, Marco Goiato). Now it is 19.9 mag (Feb. 28, Jean-Francois Soulier). It stays observable in good condition after this while the comet will be fading. But actually, it is fainter than this ephemeris.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  16 19.56   -9  2.1   3.124   3.679   116   17.1   4:20 (  0, 46)  
Mar. 30  16 14.83   -7 39.8   3.100   3.756   124   17.2   3:48 (  0, 47)  

* C/2017 K2 ( PanSTARRS )

Now it is 16.3 mag (Mar. 11, Toshihiko Ikemura, Hirohisa Sato). It is expected to be observable at 5-6 mag for a long time from 2022 to 2023. In the Northern Hemisphere, it is not observable at the highlight from 2022 summer to 2023 summer. In the Southern Hemisphere, it stays unobservable for a while. But it will be observable in good condition at the highlight.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  18 13.91   55  1.1  12.009  12.022    88   17.2   4:36 (213, 64)  
Mar. 30  18 13.91   55 29.6  11.940  11.977    89   17.2   4:25 (208, 65)  

* C/2014 B1 ( Schwartz )

Now it is 17.1 mag (Mar. 7, Toshihiko Ikemura, Hirohisa Sato). Fading slowly. It stays observable at 17 mag in good condition until summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  11 33.63    9 19.0   9.072  10.046   167   17.3  23:31 (  0, 64)  
Mar. 30  11 32.20    9 37.0   9.113  10.057   160   17.3  23:02 (  0, 65)  

* 21P/Giacobini-Zinner

It brightened up to 6.8 mag in September (Sept. 17, Seiichi Yoshida). Now it is fading. Now it is 17.2 mag (Mar. 11, Toshihiko Ikemura, Hirohisa Sato).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   6 33.58  -11 59.7   2.187   2.508    96   17.3  19:38 ( 21, 41)  
Mar. 30   6 40.93  -10 27.7   2.315   2.566    92   17.5  19:44 ( 30, 40)  

* C/2018 KJ3 ( Lemmon )

Now it is 18.2 mag (Oct. 8, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 16.5 mag in June. It is observable in excellent 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)  
Mar. 23  18 54.91  -26 18.4   3.994   3.937    79   17.5   4:36 (327, 20)  
Mar. 30  18 53.02  -27 18.7   3.837   3.913    86   17.3   4:25 (331, 21)  

* C/2018 X2 ( Fitzsimmons )

Now it is 17.2 mag (Mar. 7, Toshihiko Ikemura, Hirohisa Sato). It stays 17 mag from spring to summer. But it is hardly observable. In the Northern Hemisphere, it is observable only until May. In the Southern Hemisphere, it stays locating extremely low.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   4 52.12   42 25.6   2.509   2.463    75   17.4  19:38 (116, 57)  
Mar. 30   5  6.30   41 39.0   2.544   2.424    71   17.4  19:44 (115, 53)  

* P/2018 X1 ( LONEOS )

First return of a new periodic comet which brightened up to 16.5 mag in 2005. Now it is 18.7 mag (Mar. 8, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 17.5 mag in spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  13 16.24   -9 39.9   2.189   3.146   160   17.7   1:17 (  0, 45)  
Mar. 30  13 12.73   -9 21.7   2.141   3.125   168   17.6   0:46 (  0, 46)  

* 159P/LONEOS

Now it is 17.1 mag (Mar. 7, Toshihiko Ikemura, Hirohisa Sato). It will be fading after this, and it will be fainter than 18 mag in May. It locates very low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   5 59.65   42 20.6   3.892   3.987    88   17.6  19:38 (118, 69)  
Mar. 30   6  5.39   42  6.2   4.005   4.003    82   17.7  19:44 (116, 64)  

* (6478) Gault

Main-belt asteroid. But it shows a straight tail like a comet. Now it is 17.0 mag (Mar. 11, Toshihiko Ikemura, Hirohisa Sato). It stays observable in excellent condition until early summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  10  4.89   -1 21.9   1.403   2.318   149   17.7  22:02 (  0, 54)  
Mar. 30  10  1.61    0 32.1   1.431   2.302   142   17.8  21:31 (  0, 56)  

* 68P/Klemola

Now it is 19.3 mag (Mar. 11, Toshihiko Ikemura, Hirohisa Sato). It will brighten rapidly after this. It will be observable at 13.5 mag in good condition in autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  17 27.90  -11 36.3   2.483   2.826    99   18.1   4:36 (343, 42)  
Mar. 30  17 33.85  -11  4.7   2.351   2.781   104   17.9   4:25 (346, 43)  

* 49P/Arend-Rigaux

Now it is 17.6 mag (Mar. 7, Toshihiko Ikemura, Hirohisa Sato). It is observable at 18 mag in good condition from March to April.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  14 24.77   14 60.0   1.931   2.788   142   17.9   2:26 (  0, 70)  
Mar. 30  14 19.38   15 58.0   1.943   2.833   147   17.9   1:53 (  0, 71)  

* C/2017 E3 ( PanSTARRS )

It was observed at 16 mag from 2017 to 2018. Now it is fading. It is observable at 18 mag in good condition in this spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  16  7.72    8 21.7   6.927   7.465   119   17.9   4:08 (  0, 63)  
Mar. 30  16  6.72    9 14.1   6.875   7.493   125   17.9   3:40 (  0, 64)  

* 59P/Kearns-Kwee

Now it is 17.6 mag (Mar. 7, Toshihiko Ikemura, Hirohisa Sato). It will be fading after this, and it will be fainter than 18 mag in March.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23   7 55.53   20  4.8   2.168   2.744   115   17.9  19:54 (  0, 75)  
Mar. 30   7 59.24   19 35.6   2.276   2.770   109   18.1  19:44 ( 12, 74)  

* (394130) 2006 HY51

It has not been observed yet in this apparition. It passed only 0.08 a.u. from Sun on Jan. 31. In the Northern Hemisphere, it is observable at 18 mag in excellent condition in March. It locates extremely low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Mar. 23  14 55.83   53 55.1   0.552   1.329   115   18.1   2:59 (180, 71)  
Mar. 30  13 37.81   52 13.7   0.640   1.447   122   18.4   1:14 (180, 73)  

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