Weekly Information about Bright Comets (2015 Nov. 14: North)

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 Updated on November 15, 2015
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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/2013 US10 ( Catalina )

Now it is 6.5 mag (Oct. 13, Marco Goiato). It was expected to brighten up to 4-5 mag from autumn to winter. However, the brightness evolution has stopped in September. Now it is not observable. In the Northern Hemisphere, it will appear in the morning sky in late November, then it will be observable in excellent condition. In the Southern Hemisphere, it is hardly observable after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  14 22.47  -19 51.9   1.762   0.824    12    6.1   5:05 (288, -9)  
Nov. 21  14 20.78  -16 39.8   1.687   0.829    19    6.0   5:11 (291,  0)

* C/2014 S2 ( PanSTARRS )

It brightened very rapidly. Now it is so bright as 9.3 mag (Nov. 13, Maik Meyer). It is observable at 9-10 mag until next spring in excellent condition in the Northern Hemisphere. It keeps unobservable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  16 29.49   70 31.7   1.886   2.123    89    9.4  18:22 (156, 36)  
Nov. 21  16 34.63   68  6.4   1.896   2.112    88    9.4  18:19 (153, 33)

* C/2013 X1 ( PanSTARRS )

Now it is so bright as 10.4 mag (Nov. 7, Juan Jose Gonzalez). It will pass close to the earth from spring to summer in 2016, and it is expected to be observable at 6-7 mag in good condition. It is observable in excellent condition in the Northern Hemispehre. It locates very low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   3 14.04   44 57.0   1.640   2.561   153   10.7  23:38 (180, 80)  
Nov. 21   2 35.39   43 15.5   1.569   2.487   152   10.4  22:32 (180, 82)

* 22P/Kopff

Now it is very bright as 10.0 mag (Nov. 7, Marco Goiato). It is observable in the evening low sky until early December in the Southern Hemisphere, or until late December in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  18  8.38  -23  8.9   2.180   1.571    40   11.1  18:22 ( 51, 11)  
Nov. 21  18 31.84  -23 13.1   2.220   1.582    39   11.2  18:19 ( 51, 11)

* 10P/Tempel 2

It brightened very rapidly. Now it is very bright as 11.1 mag (Nov. 7, Marco Goiato). It keeps 11-13 mag until February. But it keeps very low in the Northern Hemisphere. It will be getting lower gradually after this even in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  18 47.28  -25 26.2   1.841   1.418    49   11.2  18:22 ( 43, 15)  
Nov. 21  19 12.90  -25 34.3   1.869   1.419    48   11.3  18:19 ( 42, 15)

* 249P/LINEAR

It tends to brighten very rapidly around the perihelion passage. It will brighten up to 11 mag from November to December. It will appear in the evening sky in early December, then it will fade out very rapidly. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  16  0.02  -19 22.7   1.511   0.570    10   12.5  18:22 ( 73, -9)  
Nov. 21  16 48.35  -20 14.4   1.397   0.515    15   11.6  18:19 ( 69, -5)

* C/2014 Q2 ( Lovejoy )

It brightened up to 3.7 mag and became a naked eye comet in mid January in 2015 (Jan. 13, Marek Biely). Now it is fading. But it is bright as 10.7 mag still now (Nov. 7, Neil Norman). In the Northern Hemisphere, it keeps observable for a long time until the comet fades out, although it becomes low temporarily in December. It is not observable until March in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  17  3.51   24 12.3   4.469   3.906    49   12.5  18:22 (102, 27)  
Nov. 21  17 10.87   23 14.3   4.569   3.976    47   12.6  18:19 (103, 23)

* 67P/Churyumov-Gerasimenko

Now it is 13.3 mag (Nov. 12, Sandor Szabo). It will be fading slowly after this. In the Northern Hemisphere, it keeps observable in good condition. It will be getting higher gradually after this also in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  11 15.24   11 49.2   1.789   1.658    66   12.8   5:05 (293, 47)  
Nov. 21  11 28.06   10 47.8   1.775   1.708    69   13.0   5:11 (299, 50)

* C/2014 W2 ( PanSTARRS )

Now it is bright as 11.2 mag (Nov. 7, Juan Jose Gonzalez). It keeps 13 mag for a long time from 2015 autumn to 2016 summer. In the Northern Hemispehre, it keeps observable in good condition for a long time. It keeps unobservable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  10  8.89   83  5.5   2.503   2.938   106   13.4   5:05 (184, 41)  
Nov. 21  12 17.87   85 16.1   2.466   2.909   106   13.3   5:11 (184, 38)

* P/2010 V1 ( Ikeya-Murakami )

First return of a periodic comet which brightened up to 8 mag in major outburst in 2010. It will be observable in excellent condition from winter to spring. Now it is not detected, fainter than 20 mag (Oct. 2, Jean-Francois Soulier). 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   9 10.54   29 11.9   1.406   1.849    99   14.1   5:05 (306, 81)  
Nov. 21   9 25.10   28 44.3   1.316   1.817   103   13.6   5:11 (331, 83)

* 29P/Schwassmann-Wachmann 1

It brightened up to 13 mag in outburst on Nov. 13 (Rob Kaufman). It will be unobservable soon. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  17 56.23  -28 31.5   6.734   5.990    38   14.0  18:22 ( 49,  5)  
Nov. 21  18  1.96  -28 25.5   6.796   5.988    32   14.0  18:19 ( 52,  2)

* 88P/Howell

It brightened up to 8.8 mag in 2015 spring (Apr. 3, Marco Goiato). Now it is fading. It has already faded down to 13.5 mag (Nov. 11, Mike Wolle). It keeps observable until March when the comet becomes fainter than 18 mag. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   1 58.69    9 48.0   1.565   2.517   159   14.2  22:25 (  0, 65)  
Nov. 21   1 53.56    9 35.9   1.649   2.561   151   14.5  21:53 (  0, 65)

* C/2015 F4 ( Jacques )

It brightened rapidly up to 10.4 mag from July to August (July 18, Maik Meyer). Now it is fading. It has already faded down to 14.2 mag (Nov. 11, Sandor Szabo). It is observable in good condition in the Northern Hemisphere. It is not observable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  20 19.74   46 28.9   1.739   2.059    93   14.3  18:22 (130, 69)  
Nov. 21  20 37.85   46 35.5   1.807   2.113    93   14.6  18:19 (129, 68)

* 116P/Wild 4

Appearing in the morning sky in the Northern Hemisphere. It will be observable after December in the Southern Hemisphere. It is expected to brighten up to 13 mag from winter to spring. It will be observable in excellent condition in the Southern Hemisphere. But it locates somewhat low in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  12 40.64   -2 59.0   2.882   2.226    40   14.5   5:05 (290, 21)  
Nov. 21  12 53.95   -4 28.6   2.819   2.217    43   14.4   5:11 (295, 24)

* C/2014 Q1 ( PanSTARRS )

It approached to the sun down to 0.3 a.u. on July 6, and brighted up to 3.9 mag (July 6, Thomas Lehmann). Now it is fading. It has already faded down to 12.9 mag (Oct. 3, Chris Wyatt). In the Northern Hemisphere, it keeps observable until the comet fades out. It will not be observable after this in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  16 19.03  -53 35.0   3.263   2.552    37   14.4  18:22 ( 40,-24)  
Nov. 21  16 37.60  -54 12.8   3.386   2.651    35   14.7  18:19 ( 40,-25)

* C/2011 KP36 ( Spacewatch )

Now it is 14.2 mag (Oct. 15, Taras Prystavski). Distant object, but it keeps observable at 14-15 mag for a long time from 2015 to 2016. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  21 20.55   -7 41.7   5.003   5.083    89   14.6  18:22 ( 12, 47)  
Nov. 21  21 24.32   -7 48.7   5.096   5.070    82   14.6  18:19 ( 19, 45)

* 19P/Borrelly

Now it is 13.6 mag (Nov. 12, Sandor Szabo). In the Northern Hemisphere, it keeps observable after this while the comet will be fading. It is not observable in the Southern Hemisphere until January when the comet will fade down to 16 mag. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  12 51.26   21 34.2   2.700   2.246    52   14.8   5:05 (266, 33)  
Nov. 21  13  3.60   21  3.9   2.689   2.297    56   15.0   5:11 (269, 37)

* C/2015 G2 ( MASTER )

It brightened up to 6.0 mag in mid May (May 14, Chris Wyatt). Now it is fading. It has already faded down to 15.6 mag (Nov. 12, Sandor Szabo). In the Northern Hemisphere, it keeps observable in good condition after this while the comet will be fading. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   8  1.72   30 14.2   2.301   2.855   114   14.9   4:32 (  0, 85)  
Nov. 21   7 47.99   31 58.6   2.267   2.940   124   15.0   3:51 (  0, 87)

* 81P/Wild 2

Now it is 16.6 mag (Oct. 16, D. Buczynski). It will brighten up to 11 mag from spring to summer in 2016. In the Northern Hemisphere, it keeps observable in good condition while the comet will be brightening. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   6  4.05   19 26.5   1.882   2.715   139   15.1   2:35 (  0, 74)  
Nov. 21   6  1.09   19 21.7   1.787   2.674   147   14.9   2:04 (  0, 74)

* C/2014 Y1 ( PanSTARRS )

It will be observable at 14 mag from winter to summer. It will be 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)  
Nov. 14  12 51.13   -0 28.9   3.041   2.361    39   15.1   5:05 (286, 21)  
Nov. 21  13  4.42   -2 20.5   2.968   2.337    42   15.0   5:11 (291, 24)

* C/2014 A4 ( SONEAR )

Now it is 14.5 mag (Oct. 15, Taras Prystavski). It will be fading slowly after this. In the Northern Hemisphere, it keeps observable for a long time until the comet fades out. In the Southern Hemisphere, it will be low after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   0 53.61   15  2.2   3.363   4.221   146   15.2  21:20 (  0, 70)  
Nov. 21   0 43.19   15  0.1   3.454   4.229   136   15.3  20:42 (  0, 70)

* C/2014 N3 ( NEOWISE )

Now it is 15.1 mag (Nov. 11, Sandor Szabo). It keeps 15 mag for a long time from 2014 to 2015. It is observable in excellent condition in the Northern Hemisphere. It locates low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   0 54.66   47  6.4   3.627   4.423   139   15.3  21:21 (180, 78)  
Nov. 21   0 47.44   47  0.2   3.697   4.452   135   15.3  20:47 (180, 78)

* 318P/2014 M6 ( McNaught-Hartley )

First return of a periodic comet discovered in 1994. It brightened up to 13.8 mag from summer to autumn (Sept. 7, Taras Prystavski). Now it is fading, but it is bright as 15.2 mag still now (Nov. 11, Sandor Szabo). 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)  
Nov. 14  22 45.63  -22 30.3   2.040   2.457   102   15.4  19:14 (  0, 33)  
Nov. 21  22 51.44  -20 39.9   2.123   2.463    97   15.5  18:52 (  0, 35)

* 61P/Shajn-Schaldach

Now it is 14.5 mag (Nov. 11, Sandor Szabo). It keeps observable at 15 mag in good condition for a while. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   2 14.24    3 40.9   1.185   2.139   159   15.4  22:41 (  0, 59)  
Nov. 21   2 11.59    3 27.7   1.224   2.148   152   15.5  22:11 (  0, 59)

* C/2013 V4 ( Catalina )

Now it is 15.7 mag (Nov. 11, Sandor Szabo). It keeps 15-16 mag for a long time until 2016. It keeps observable in excellent condition in the Northern Hemisphere. It keeps unobservable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   5 10.55   71  5.8   4.572   5.193   124   15.5   1:42 (180, 54)  
Nov. 21   4 57.82   72 15.5   4.549   5.196   126   15.4   1:02 (180, 53)

* 230P/LINEAR

Now it is 15.9 mag (Nov. 12, Sandor Szabo). It is expected to brighten rapidly, and to be observable at 14.5 mag in good condition in autumn. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   5 12.86   -8 31.9   0.582   1.486   140   15.5   1:43 (  0, 46)  
Nov. 21   5 13.83   -7 19.2   0.564   1.486   144   15.5   1:17 (  0, 48)

* C/2012 F3 ( PanSTARRS )

Now it is 15.0 mag (Oct. 2, Taras Prystavski). It will be unobservable in early December in the Southern Hemisphere, or in early January in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  20  0.56  -14 43.3   4.265   4.005    68   15.8  18:22 ( 34, 33)  
Nov. 21  20  8.03  -14 38.2   4.388   4.037    63   15.9  18:19 ( 38, 32)

* C/2006 S3 ( LONEOS )

It brightened up to 11-12 mag in 2012. It has already faded down to 16.5 mag (July 9, Taras Prystavski). Appearing in the morning sky. It is observable at 16 mag in good condition from winter to spring. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  11 17.48   -6 40.4  10.931  10.452    58   16.3   5:05 (309, 33)  
Nov. 21  11 17.59   -6 50.1  10.859  10.490    65   16.3   5:11 (318, 38)

* 117P/Helin-Roman-Alu 1

It brightened up to 13 mag in 2014. Now it is 14.8 mag (Nov. 11, Sandor Szabo). It will be fading slowly after this. It is observable at 16 mag in excellent condition from summer to winter in 2015. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   0 59.75   -0 45.6   3.189   4.014   141   16.4  21:27 (  0, 54)  
Nov. 21   0 57.34   -0 42.8   3.276   4.030   134   16.5  20:57 (  0, 54)

* C/2015 GX ( PanSTARRS )

Now it is 16.0 mag (Nov. 12, Sandor Szabo). It is observable at 16-17 mag in good condition from October to December in the Northern Hemisphere. It is not observable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   1 26.72   73 46.5   1.472   2.168   122   16.6  21:53 (180, 52)  
Nov. 21   1 15.41   67 24.7   1.462   2.202   126   16.6  21:15 (180, 58)

* C/2015 V2 ( Johnson )

Now it is 16.7 mag (Nov. 5, Masayuki Suzuki). It was reported as 15.8 mag visually (Nov. 12, Sandor Szabo). It is expected to brighten up to 6 mag in 2017 summer. In the Northern Hemisphere, it keeps observable in good condition until the highlight while the comet will be brightening. In the Southern Hemisphere, it is not observable until early 2017. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   8 19.39   56 49.0   5.895   6.340   112   16.9   4:50 (180, 68)  
Nov. 21   8 18.98   57 40.6   5.759   6.282   117   16.8   4:22 (180, 67)

* 118P/Shoemaker-Levy 4

Now it is 16.7 mag (Oct. 4, Taras Prystavski). It will brighten up to 14 mag in 2016 summer. But it is not observable at the highlight. It keeps observable until March while the comet will be brightening gradually up to 15-16 mag. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   0 15.28   -7 48.4   1.821   2.560   128   16.9  20:42 (  0, 47)  
Nov. 21   0 14.67   -7 47.9   1.867   2.530   121   16.8  20:14 (  0, 47)

* C/2012 K1 ( PanSTARRS )

It brightened up to 6.9 mag in 2014 autumn (Oct. 17, Marco Goiato). Now it is fading. It has already faded down to 15.3 mag (Oct. 3, Taras Prystavski). In the Southern Hemisphere, it keeps observable in good condition until the comet fades out. In the Northern Hemisphere, it keeps observable until winter, but it locates somewhat low. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  22 38.49  -27 49.9   5.293   5.535    99   16.8  19:06 (  0, 27)  
Nov. 21  22 36.39  -27 23.1   5.477   5.600    92   17.0  18:36 (  0, 28)

* P/2015 Q1 ( Scotti )

Now it is 16.8 mag (Oct. 17, K. Hills). It was reported as 16.0 mag visually (Nov. 12, Sandor Szabo). It is observable at 17 mag in excellent condition in autumn. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   6 22.59   -8  0.0   1.078   1.849   126   17.0   2:53 (  0, 47)  
Nov. 21   6 21.77  -10 15.4   1.068   1.870   130   17.1   2:24 (  0, 45)

* 329P/2015 T1 ( LINEAR-Catalina )

First return of a periodic comet discovered in 2003. Now it is 18.1 mag (Oct. 11, J.-F. Soulier). It will approach to the earth from autumn to winter, and it was expected to brighten up to 15 mag and observable in excellent condition. But actually, it is fainter than expected by 1.5 mag. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   4 58.91   -1 44.0   0.755   1.676   147   17.1   1:29 (  0, 53)  
Nov. 21   4 56.61    0 33.3   0.723   1.667   153   17.0   1:00 (  0, 55)

* C/2015 B2 ( PanSTARRS )

Now it is 16.8 mag (Oct. 19, Hidetaka Sato). It keeps 16.5 mag for a long time in 2016, and it will be 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)  
Nov. 14   8 50.44  -49 20.9   3.778   3.739    80   17.1   5:05 (358,  6)  
Nov. 21   8 42.61  -51 58.3   3.692   3.712    83   17.0   4:45 (  0,  3)

* C/2015 K1 ( MASTER )

Now it is 16.1 mag (Oct. 14, Yasukazu Ikari). It keeps observable in good condition until the comet fades out. In 2014, it must have been observable at 14 mag in good condition in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  23 57.06    3  5.7   4.005   4.696   129   17.1  20:24 (  0, 58)  
Nov. 21  23 55.94    3 19.1   4.148   4.748   122   17.2  19:56 (  0, 58)

* 151P/Helin

Now it is 16.9 mag (Oct. 10, Taras Prystavski). It will be fading after this. It will be fainter than 18 mag at the end of 2015. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  23 33.59   -7 59.4   1.851   2.492   119   17.1  20:01 (  0, 47)  
Nov. 21  23 37.80   -7 30.0   1.933   2.500   113   17.3  19:38 (  0, 48)

* 44P/Reinmuth 2

It brightened up to 16.4 mag in 2014 (Nov. 14, J. F. Hernandez). Now it is 17.0 mag (Oct. 20, Purple Mountain Observatory). It keeps observable in good condition for a while. But it will be fainter than 18 mag in January. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   4  5.67   27 38.6   1.753   2.720   164   17.2   0:37 (  0, 83)  
Nov. 21   3 59.22   27 11.4   1.767   2.749   171   17.2   0:03 (  0, 82)

* 77P/Longmore

It will brighten rapidly after this, and it will be observable at 14-15 mag in good condition from winter to summer. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  12 13.45   11 54.3   3.078   2.618    53   17.3   5:05 (281, 36)  
Nov. 21  12 23.30   10 33.9   2.986   2.599    57   17.2   5:11 (287, 40)

* 74P/Smirnova-Chernykh

Now it is 18.3 mag (Nov. 2, Katsumi Yoshimoto). Now it is near the aphelion. It is observable at 17 mag in good condition from autumn to winter. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   3 33.96   15 43.6   3.298   4.285   174   17.2   0:05 (  0, 71)  
Nov. 21   3 29.28   15 33.3   3.292   4.276   174   17.2  23:28 (  0, 71)

* 65P/Gunn

It will brighten up to 14 mag in 2017. In 2016, it keeps observable at 16 mag in good condition from winter to spring. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  11 36.05   11 46.5   4.499   4.122    61   17.4   5:05 (288, 43)  
Nov. 21  11 41.61   11 22.4   4.388   4.107    67   17.4   5:11 (295, 48)

* 328P/2015 S1 ( LONEOS-Tucker )

First return of a periodic comet discovered in 1998. Now it is 17.9 mag (Oct. 3, J. V. Scotti). It will be observable at 17.5 mag from autumn to winter. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  21 31.44  -10 14.5   1.635   1.923    90   17.4  18:22 (  8, 45)  
Nov. 21  21 41.49   -8 26.6   1.694   1.911    86   17.4  18:19 ( 13, 46)

* C/2011 J2 ( LINEAR )

Now it is 16.5 mag (Oct. 4, Taras Prystavski). It is fading, but it is a bit brighter than this ephemeris. The fragments B and C are already fainter than 20 mag (June 12, Takaaki Oribe). 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  22 34.78   -3 50.1   6.444   6.811   107   17.5  19:02 (  0, 51)  
Nov. 21  22 33.91   -4 22.9   6.611   6.857   100   17.6  18:34 (  0, 51)

* 162P/Siding Spring

Now it is 17.1 mag (Oct. 22, C. Bell). It is observable in good condition in the Northern Hemisphere. It is not observable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  10 50.37   41  9.2   1.657   1.855    85   17.5   5:05 (247, 63)  
Nov. 21  11  2.79   41 40.1   1.643   1.906    89   17.5   5:11 (245, 67)

* C/2015 T4 ( PanSTARRS )

Now it is 18.1 mag (Oct. 15, A. Maury, J.-F. Soulier, J.-G. Bosch, T. Noel). It will brighten up to 16 mag in 2016 summer. In the Southern Hemisphere, it keeps observable in good condition for a long time. In the Northern Hemisphere, it is observable only until next March. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   5 34.08   -7 47.1   2.497   3.290   136   17.7   2:05 (  0, 47)  
Nov. 21   5 25.77  -10 33.5   2.415   3.240   140   17.5   1:29 (  0, 45)

* C/2014 B1 ( Schwartz )

Now it is 17.3 mag (Oct. 21, A. Maury, J.-F. Soulier, J.-G. Bosch, T. Noel). It keeps 17.5 mag for a long time from 2016 to 2019. It keeps locating near by the equator. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   8 16.14   -0 40.9   9.965  10.244   103   17.6   4:46 (  0, 54)  
Nov. 21   8 16.24   -0 48.2   9.848  10.231   110   17.6   4:19 (  0, 54)

* 211P/Hill

Now it is 18.6 mag (Oct. 11, Hidetaka Sato). It is observable at 17 mag in good condition in winter. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   8 12.47   12 12.0   1.897   2.400   108   17.7   4:42 (  0, 67)  
Nov. 21   8 17.22   12 28.9   1.809   2.391   114   17.6   4:20 (  0, 67)

* 50P/Arend

Now it is 17.3 mag (Oct. 10, Taras Prystavski). It was expected to be observable at 16 mag in good condition from summer to winter. But actually, it is fainter than originally predicted, and it will be 17.5 mag at best. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  22 34.87   -3 26.6   1.536   2.067   107   17.6  19:03 (  0, 52)  
Nov. 21  22 39.26   -2  0.3   1.591   2.045   102   17.6  18:40 (  0, 53)

* 141P/Machholz 2

It brightened rapidly in mid August, and brightened up to 10.8 mag (Sept. 13, Sandor Szabo). Secondary component H also brightened up to 14.8 mag (Sept. 13, Thomas Lehmann). Now it is fading very rapidly. It has already faded down to 16.5 mag (Oct. 15, Taras Prystavski). In the Northern Hemisphere, it keeps observable in good condition in the morning sky. In the Southern Hemisphere, it keeps locating extremely low from summer to autumn. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  11  4.05   -5 22.9   1.618   1.453    62   17.6   5:05 (312, 37)  
Nov. 21  11 13.36   -7 13.9   1.628   1.530    66   18.1   5:11 (319, 39)

* 174P/(60558) 2000 EC98 ( Echeclus )

Now it is 16.5 mag (Sept. 8, Jean-Francois Soulier). It has brightened in outburst up to 14 mag twice, in 2006 January and 2011 May. It is around the perihelion now. It keeps observable at 17 mag for a long time after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14  23  3.57   -6  2.9   5.434   5.900   113   17.6  19:31 (  0, 49)  
Nov. 21  23  4.37   -6  0.9   5.545   5.906   106   17.7  19:04 (  0, 49)

* (3200) Phaethon

Now it is 17.4 mag (Nov. 8, Jean-Francois Soulier). Now it is around the aphelion. It is observable at 17.5 mag in excellent condition in autumn in the Northern Hemisphere. It locates low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   2 19.08   38 37.5   1.456   2.395   156   17.6  22:45 (180, 86)  
Nov. 21   2  3.02   36 39.8   1.481   2.400   152   17.7  22:01 (180, 88)

* 204P/LINEAR-NEAT

Now it is 18.3 mag (Oct. 13, Space Surveillance Telescope, Atom Site). It is observable at 16.5 mag in excellent condition from December to February. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   8  8.20   17 20.4   1.361   1.944   110   17.9   4:38 (  0, 72)  
Nov. 21   8 16.56   17 16.8   1.293   1.938   115   17.7   4:19 (  0, 72)

* C/2010 U3 ( Boattini )

It will pass the perihelion in 2019. However, it has not been brightening since the discovery in 2010. Now it is 18.0 mag (Oct. 6, Yasukazu Ikari). It keeps observable in excellent condition from autumn to next spring in the Northern Hemisphere. It is not observable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   3 34.16   47 42.2  10.059  10.927   150   17.7   0:05 (180, 77)  
Nov. 21   3 30.76   47 48.1  10.022  10.903   151   17.7  23:30 (180, 77)

* 57P/du Toit-Neujmin-Delporte

Now it is 15.3 mag (Oct. 10, Taras Prystavski). It keeps observable in good condition for a while. But it will be fading after this, and will be fainter than 18 mag in November. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   0  2.54   -0 36.0   1.550   2.308   129   17.9  20:30 (  0, 54)  
Nov. 21   0  5.35   -0 24.4   1.655   2.344   122   18.2  20:05 (  0, 55)

* 205P/Giacobini

It was so faint as 20.0 mag in August (Aug. 17, Hidetaka Sato). However, it brightened by 6 mag in outburst in mid September, and brightened up to 13.7 mag (Sept. 21, Seiichi Yoshida). Now it is fading rapidly. It has already faded down to 16.1 mag (Oct. 19, Taras Prystavski). It keeps observable in excellent condition for a while. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   4 34.92   -0 43.1   1.417   2.341   152   17.9   1:06 (  0, 54)  
Nov. 21   4 28.07   -1 21.8   1.447   2.385   156   18.4   0:31 (  0, 54)

* 51P/Harrington

It brightened up to 15.9 mag in June as predicted (June 23, Ken-ichi Kadota). It was expected to be observable at 13 mag in good condition from summer to autumn. However, Jean-Gabriel Bosch detected the comet became disintegrating in July. Now it is so faint as 20.1 mag (Oct. 15, Pan-STARRS 1, Haleakala). The fragment D and B are also observed as 19.0 mag (Sept. 20, Michael Jager) and 20.9 mag (Aug. 21, Pan-STARRS 1, Haleakala) respectively. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 14   2  0.79    4 25.8   0.966   1.918   157   19.8  22:28 (  0, 60)  
Nov. 21   1 58.76    5  1.1   1.026   1.948   150   20.0  21:58 (  0, 60)

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