Weekly Information about Bright Comets (2016 Nov. 12: North)

Japanese version
Home page
Updated on November 13, 2016
Last week South Next week

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.

---------------------------------------------------------------------

* C/2015 V2 ( Johnson )

Now it is 13.0 mag (Nov. 5, Seiichi Yoshida). It is expected to brighten up to 7 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. 12  12 43.99   45 35.9   3.284   3.112    71   12.2   5:04 (237, 42)  
Nov. 19  12 59.26   45 13.8   3.165   3.046    74   12.0   5:10 (238, 45)  

* 237P/LINEAR

It brightened very rapidly and became brighter than expected. Now it is very bright as 12.5 mag (Nov. 1, Chris Wyatt). It will be unobservable in November in the Southern Hemisphere, or in December in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  17 42.19  -17  1.3   2.709   2.001    36   12.8  18:23 ( 59, 12)  
Nov. 19  17 59.56  -16 46.4   2.755   2.009    33   12.9  18:20 ( 61, 11)  

* 144P/Kushida

Now it is bright as 12.2 mag (Nov. 4, Seiichi Yoshida). It keeps locating extremely low until November in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  11 48.78   -2 20.2   2.069   1.647    51   13.0   5:04 (298, 30)  
Nov. 19  12  4.05   -4  6.6   2.057   1.685    54   13.2   5:10 (303, 32)  

* 43P/Wolf-Harrington

Now it is 12.7 mag (Nov. 4, Seiichi Yoshida). It will be getting higher gradually after this, but it will be fading.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  11  6.06   -8 12.5   1.904   1.646    59   13.5   5:04 (312, 33)  
Nov. 19  11 19.22  -10 24.6   1.891   1.688    62   13.7   5:10 (318, 34)  

* C/2015 ER61 ( PanSTARRS )

It is appearing in the morning sky in the Northern Hemisphere. It is expected to brighten up to 7 mag in 2017 spring. But it locates somewhat low at the high light. It was 16.4 mag in August (Aug. 12, Thomas Lehmann), the brightness evolution seemed to have slowed down. It will be observable in the morning sky in December also in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  13 34.03  -12 56.6   3.692   2.812    23   13.8   5:04 (289,  4)  
Nov. 19  13 45.23  -13 55.2   3.569   2.732    27   13.6   5:10 (293,  7)  

* 29P/Schwassmann-Wachmann 1

Outburst occured on Oct. 21, and it brightened up to 13.8 mag (Jean-Francois Soulier). It is bright as 12.3 mag still now (Nov. 4, Seiichi Yoshida).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  19 33.29  -23 40.1   6.297   5.889    61   13.8  18:23 ( 34, 23)  
Nov. 19  19 37.64  -23 24.2   6.391   5.887    55   13.8  18:20 ( 38, 21)  

* C/2014 S2 ( PanSTARRS )

It brightened up to 8-9 mag from last winter to spring. Now it is fading. It has already faded down to 12.9 mag (July 23, Chris Wyatt). It is appearing in the morning sky in the Northern Hemisphere. It will be observable in the morning sky in December also in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  12 57.55   -4 49.1   4.994   4.218    34   13.8   5:04 (288, 16)  
Nov. 19  13  1.40   -5 51.1   4.980   4.276    40   13.9   5:10 (293, 21)  

* C/2016 R3 ( Borisov )

It approached to the Sun down to 0.45 a.u. on Oct. 10. It was 12.5-13.0 mag on Sept. 24 (Michael Jager). Michael Mattiazzo reported that it was not detected, fainter than 10 mag, on the STEREO spacecraft images from Oct. 24 to 30. It will never be observable again in the Northern Hemisphere. In the Southern Hemisphere, it is appearing in the evening sky, but it keeps extremely low after this. It has a very similar orbit to Comet C/1915 R1 ( Mellish ).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  16 28.13  -32 39.7   1.699   0.881    23   14.1  18:23 ( 57,-11)  
Nov. 19  17  0.45  -37 17.7   1.808   1.007    25   14.8  18:20 ( 53,-12)  

* 81P/Wild 2

It brightened up to 11 mag from spring to summer. Now it is not observable. It will be observable at 16 mag again in 2017 spring.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  15 35.26  -17  7.5   2.920   1.939     6   14.1  18:23 ( 78,-13)  
Nov. 19  15 52.71  -18  5.4   2.961   1.976     3   14.3  18:20 ( 78,-14)  

* C/2011 KP36 ( Spacewatch )

Now it is bright as 13.6 mag (Oct. 31, Chris Wyatt). Distant object, but it keeps observable at 13-14 mag for a long time from 2015 to 2016.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   0 33.69   -5  3.6   4.282   5.035   135   14.2  21:06 (  0, 50)  
Nov. 19   0 33.36   -5 14.7   4.375   5.047   128   14.2  20:38 (  0, 50)  

* 9P/Tempel 1

Now it is 14.4 mag (Oct. 22, Thomas Lehmann). It will be fading gradually after this. In the Northern Hemisphere, it keeps low after this. In the Southern Hemisphere, it will be getting lower after this, and it will be unobservable in December.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  18 44.58  -29 58.6   2.290   1.823    50   14.3  18:23 ( 40, 12)  
Nov. 19  19  5.57  -29 40.1   2.370   1.857    47   14.6  18:20 ( 40, 12)  

* C/2015 TQ209 ( LINEAR )

It keeps unobservable for a long time. It will appear in the morning sky in December, when the comet will be fainter than 15 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  13 49.36  -14 35.7   2.681   1.779    19   14.6   5:04 (288,  0)  
Nov. 19  14  7.22  -15 47.0   2.717   1.838    21   14.8   5:10 (291,  2)  

* 315P/2013 V6 ( LONEOS )

Now it is 15.4 mag (Oct. 9, Kunihiro Shima). It will brighten up to 14 mag from winter to spring in 2017, and it will be observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it keeps extremely low until November, and it will be low also around the higlight.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  10 39.50   25  2.9   2.426   2.428    78   14.8   5:04 (281, 60)  
Nov. 19  10 51.56   24 50.8   2.345   2.425    82   14.7   5:10 (286, 64)  

* 45P/Honda-Mrkos-Pajdusakova

It will approach to the earth down to 0.08 a.u. to the earth in mid February, and it is expected to be observable at 6 mag in good condition. Now it is 16.4 mag (Nov. 6, A. Chapman). It will brighten rapidly after this, but it keeps very low in the evening sky for a while. It will be unobservable temporarily in January. Then it keeps observable in good condition after mid February.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  18 28.22  -25 37.0   1.488   1.082    46   15.9  18:23 ( 45, 13)  
Nov. 19  18 46.20  -25 26.3   1.422   0.982    43   14.8  18:20 ( 47, 12)  

* C/2013 US10 ( Catalina )

It brightened up to 6 mag from last autumn to last winter. Now it is fading. It has already faded down to 15.2 mag (Nov. 2, Yuji Ohshima). It is observable in good condition in the Northern Hemisphere. It is not observable after this in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   4 39.78   57 12.1   4.131   4.902   137   15.0   1:16 (180, 68)  
Nov. 19   4 24.62   57  0.2   4.160   4.972   141   15.1   0:34 (180, 68)  

* D/1978 R1 ( Haneda-Campos )

It has been lost since its discovery in 1978. In 2016, it is expected to return in excellent condition from autumn to winter.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  21 55.89  -19 43.8   0.749   1.287    94   15.1  18:30 (  0, 36)  
Nov. 19  22 19.37  -16 51.1   0.768   1.290    93   15.2  18:26 (  0, 38)  

* C/2014 W2 ( PanSTARRS )

Now it is 14.6 mag (Oct. 15, Ken-ichi Kadota). It will be fading gradually after this. It will be unobservable soon. But it will appear in the morning sky again at 16 mag in late December in the Northern Hemisphere, or in late January in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  16 16.87    4 25.4   4.513   3.666    27   15.2  18:23 ( 90,  8)  
Nov. 19  16 22.93    3 10.0   4.583   3.712    25   15.3  18:20 ( 91,  3)  

* C/2016 R2 ( PanSTARRS )

Now it is very bright as 15.6 mag (Oct. 25, L. Elenin). It will be observable at 11 mag for a long time from 2017 to 2018. Now it is observable in excellent condition in the Southern Hemisphere. But it keeps low for a while in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   3 22.77  -41 35.0   5.260   5.827   120   15.3  23:54 (  0, 13)  
Nov. 19   3 17.33  -41 21.9   5.231   5.775   118   15.2  23:21 (  0, 14)  

* C/2016 A8 ( LINEAR )

It brightened up to 11.6 mag from late August to early September (Aug. 29, Juan Jose Gonzalez). Now it is fading rapidly. It has already faded down to 15.6 mag (Oct. 22, E. Bryssinck). It will be low in November.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  18 44.64  -17 23.2   2.553   2.079    51   15.2  18:23 ( 48, 22)  
Nov. 19  18 46.05  -18 48.6   2.709   2.116    44   15.5  18:20 ( 51, 17)  

* 56P/Slaughter-Burnham

Now it is 15.5 mag (Oct. 31, Sandor Szabo). It will be observable at 15-16 mag in good condition from autumn to winter. It locates somewhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   4 36.49   34 28.4   1.736   2.662   154   15.5   1:12 (  0, 90)  
Nov. 19   4 31.43   34 32.6   1.727   2.680   160   15.5   0:40 (  0, 90)  

* 226P/Pigott-LINEAR-Kowalski

It had been lost for a long time over 200 years since its discovery in 1783. It brightened rapidly, and reached up to 13.9 mag in September (Spet. 1, Sandor Szabo). Now it is 14.5 mag (Nov. 4, Seiichi Yoshida). It will be fading after this. It is observable in excellent condition for a while in the Northern Hemisphere. It will be unobservable soon in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   5 10.97   42 35.3   0.991   1.885   144   15.6   1:47 (180, 83)  
Nov. 19   4 56.26   46 52.6   0.994   1.907   148   15.8   1:05 (180, 78)  

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

Now it is 15.7 mag (Oct. 31, Sandor Szabo). It will brighten up to 12-13 mag and will be observable in good condition in 2017 summer. In 2016, it keeps observable until winter when it will brighten up to 15.5 mag. It locates somewhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   1 29.01   26 49.2   3.062   3.982   155   15.6  22:00 (  0, 82)  
Nov. 19   1 14.95   25 23.9   3.072   3.934   146   15.6  21:19 (  0, 80)  

* 53P/Van Biesbroeck

It brightened up to 12.5 mag in summer (Aug. 3, Marco Goiato). Now it is fading. It has already faded down to 15.0 mag (Oct. 31, Sandor Szabo). It keeps observable in good condition for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  21 28.99  -16 13.5   2.717   2.886    89   15.7  18:23 (  6, 39)  
Nov. 19  21 36.72  -15 44.9   2.839   2.914    84   15.8  18:20 ( 12, 39)  

* 93P/Lovas 1

Now it is 16.3 mag (Nov. 5, Y. Sugiyama). It will brighten up to 15 mag in winter. But it will be getting lower gradually after autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  22  3.15   -6 15.9   1.591   2.025   100   15.8  18:36 (  0, 49)  
Nov. 19  22  9.33   -5 12.3   1.633   1.989    95   15.7  18:20 (  2, 50)  

* C/2016 N4 ( MASTER )

Now it is 15.8 mag (Oct. 31, Sandor Szabo). It will brighten up to 14 mag from summer to winter in 2017. Then it will be observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it is hardly observable around the highlight.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  22 54.45  -12 41.6   3.863   4.306   110   15.8  19:27 (  0, 42)  
Nov. 19  22 51.55  -11 45.9   3.934   4.264   102   15.8  18:56 (  0, 43)  

* 73P/Schwassmann-Wachmann 3

Now it is 18.1 mag (Oct. 10, Jean-Francois Soulier). It will brighten up to 12 mag from winter to spring. In the Northern Hemisphere, it keeps observable while the comet is brightening gradually. But it will be unobservable in late February. In the Southern Hemisphere, it keeps unobservable until December. But it keeps observable for a long time after late December.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  12 47.73    3 51.9   2.496   1.866    41   16.2   5:04 (282, 23)  
Nov. 19  13  4.27    2  8.0   2.386   1.803    43   15.8   5:10 (286, 25)  

* C/2014 B1 ( Schwartz )

Now it is 15.8 mag (Oct. 22, Ken-ichi Kadota). It keeps 16-17 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. 12   9 20.90    1 47.8   9.691   9.704    87   16.2   5:04 (337, 55)  
Nov. 19   9 21.89    1 41.7   9.571   9.697    94   16.1   5:10 (351, 56)  

* 74P/Smirnova-Chernykh

Now it is 16.8 mag (Oct. 7, D. Buczynski). It will be observable at 16-17 mag in good condition from autumn to winter. It locates low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   7 32.57   24 34.0   3.256   3.833   118   16.2   4:08 (  0, 80)  
Nov. 19   7 32.47   24 46.5   3.161   3.825   125   16.2   3:40 (  0, 80)  

* (3200) Phaethon

It brightened up to 14.9 mag in September (Sept. 29, Sandor Szabo). In the Northern Hemisphere, it keeps observable in excellent condition, but it will be fading after this. It keeps locating very low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  22 47.28   32 47.3   0.855   1.597   119   16.3  19:20 (  0, 88)  
Nov. 19  22 56.34   29  0.5   0.978   1.667   115   16.7  19:02 (  0, 84)  

* C/2015 V1 ( PanSTARRS )

Now it is 16.5 mag (Nov. 4, D. Buczynski). It will brighten up to 15 mag and will be observable in good condition from autum to winter in 2017. In the Northern Hemisphere, it keeps observable in good condition for a long time while the comet will be brightening. It is not observable until 2017 summer in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   3 37.34   59  2.4   4.594   5.374   138   16.6   0:14 (180, 66)  
Nov. 19   3 21.36   58 15.2   4.535   5.340   141   16.6  23:25 (180, 67)  

* 188P/LINEAR-Mueller

It brightened rapidly. Now it is 16.7 mag (Oct. 15, Ken-ichi Kadota). It is observable at 16.5 mag in good condition from autumn to winter.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  22 38.24   -8 41.2   2.171   2.650   108   16.6  19:11 (  0, 46)  
Nov. 19  22 42.01   -7 52.4   2.247   2.639   102   16.7  18:47 (  0, 47)  

* C/2013 V4 ( Catalina )

It brightened up to 15 mag in early 2016. Now it is fading. It has already faded down to 16.9 mag (Nov. 4, D. Buczynski). In the Northern Hemisphere, it keeps observable in good condition for a long time until 2017 autumn when the comet will be fainter than 18 mag. It will never be observable after this in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  13 59.17   66 11.3   5.995   5.989    84   16.7   5:04 (209, 35)  
Nov. 19  14 11.29   65 59.1   5.984   6.014    87   16.7   5:10 (210, 37)  

* 118P/Shoemaker-Levy 4

Now it is 17.3 mag (Nov. 7, Mt. Lemmon Survey). It will be getting higher after this, and it will be observable at 17 mag in good condition in winter.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  11 30.77    3  0.4   2.659   2.288    57   16.8   5:04 (297, 37)  
Nov. 19  11 41.70    2  8.4   2.609   2.314    61   16.8   5:10 (303, 41)  

* C/2014 R3 ( PanSTARRS )

Now it is 16.7 mag (Oct. 3, A. Diepvens). It brightened rapidly, and became brighter than originally expected. It keeps 17 mag until 2017. In the Northern Hemisphere, it keeps observable in excellent condition for a long time. It is not observable in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  13 37.63   54 19.2   7.501   7.301    74   16.9   5:04 (224, 35)  
Nov. 19  13 40.18   54 18.6   7.447   7.305    77   16.9   5:10 (225, 39)  

* C/2014 A4 ( SONEAR )

It brightened up to 15 mag from late 2014 to early 2016. Now it is fading slowly. Now it is 17.1 mag (Nov. 5, Y. Sugiyama). In the Northern Hemisphere, it will be observable at 16-17 mag in autumn in good condition. It locates extremely low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  21 22.50   35 51.8   5.180   5.485   102   17.2  18:23 (101, 84)  
Nov. 19  21 20.16   34 57.4   5.304   5.520    97   17.2  18:20 ( 94, 79)  

* C/2016 A1 ( PanSTARRS )

Now it is 16.7 mag (Nov. 3, iTelescope Observatory, Siding Spring). It keeps 16 mag for a long time from 2017 to 2018.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   9 49.96  -12 19.8   6.157   6.008    76   17.2   5:04 (334, 39)  
Nov. 19   9 49.45  -12 15.0   6.018   5.985    83   17.2   5:10 (345, 41)  

* 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 17.3 mag (Nov. 4, D. Buczynski). It keeps observable in excellent 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. 12   4 26.23   61 18.4   9.041   9.758   134   17.2   1:03 (180, 64)  
Nov. 19   4 21.56   61 36.4   8.990   9.738   137   17.2   0:30 (180, 63)  

* P/2015 TP200 ( LINEAR )

Now it is 17.1 mag (Nov. 6, CAO, San Pedro de Atacama). In the Northern Hemisphere, it will be observable at 17 mag in excellent condition in winter. It locates low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   7 19.86   33  3.1   2.754   3.387   122   17.3   3:55 (  0, 88)  
Nov. 19   7 20.58   33 21.7   2.679   3.389   128   17.2   3:28 (  0, 88)  

* C/2015 X7 ( ATLAS )

Now it is 17.9 mag (Nov. 2, Purple Mountain Observatory, XuYi Station). It was observed at 17 mag last winter. It will be observable at 17 mag again next winter. It is observable in good condition in the Northern Hemisphere. But it locates low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  10 52.93   14 39.8   4.007   3.802    71   17.3   5:04 (293, 52)  
Nov. 19  10 59.12   15 23.4   3.917   3.818    76   17.3   5:10 (300, 57)  

* 136P/Mueller 3

Now it is 17.2 mag (Oct. 21, Mt. Lemmon Survey). It tends to be brightest after the perihelion passage. It is observable at 17.5 mag in good condition from autumn to winter.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   2 16.12   -0 31.0   2.167   3.105   157   17.4  22:48 (  0, 55)  
Nov. 19   2 12.37   -0 39.0   2.215   3.115   150   17.4  22:16 (  0, 54)  

* 338P/2016 N1 ( McNaught )

Now it is 17.4 mag (Nov. 5, Y. Sugiyama). First return of a new periodic comet which brightened up to 16.5 mag in 2008. The condition of this apparition is very good. It was expected to brighten up to 15.5 mag in autumn and will be observable in good condition. But actually, it is fainter than originally expected by 2 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  23 17.60   -3 48.8   1.655   2.303   118   17.5  19:50 (  0, 51)  
Nov. 19  23 18.82   -2 16.0   1.731   2.302   112   17.6  19:24 (  0, 53)  

* 2P/Encke

Now it is 17.7 mag (Nov. 3, Ken-ichi Kadota). It will pass the perihelion on Mar. 10, 2017. In the Northern Hemisphere, it keeps observable in the evening sky until late February while the comet will be brightening up to 8.5 mag. In the Southern Hemisphere, it will appear in the morning sky in late March at 8 mag, then it keeps observable while the comet will be fading.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  23  7.00    7 23.5   1.317   2.006   120   17.5  19:39 (  0, 62)  
Nov. 19  23  0.28    6 19.9   1.335   1.929   111   17.5  19:05 (  0, 61)  

* 343P/2016 P3 ( NEAT-LONEOS )

Now it is 17.1 mag (Nov. 5, Y. Sugiyama). It will be observable at 17.5 mag in good condition in autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  22 57.25    0 54.8   1.769   2.375   115   17.5  19:30 (  0, 56)  
Nov. 19  23  2.16    1  0.6   1.829   2.359   110   17.5  19:07 (  0, 56)  

* P/2016 S1 ( PanSTARRS )

Now it is 17.3 mag (Nov. 9, L. Elenin). It keeps 17 mag for a long time from 2016 autumn to 2017 summer, and it keeps observable good condition all through that period in the Southern Hemisphere. In the Northern Hemisphere, it will never be observable again after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   4 13.71  -55 47.6   2.235   2.672   105   17.5   0:49 (  0, -1)  
Nov. 19   3 56.71  -58 43.8   2.261   2.645   101   17.5   0:05 (  0, -4)  

* C/2012 F3 ( PanSTARRS )

It brightened up to 13-14 mag from 2014 to 2015. Now it is fading. It has already faded down to 18.0 mag (Nov. 5, K. Hills). It will be fainter than 18 mag in December.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12  22 58.29   -8  7.4   5.688   6.141   112   17.5  19:31 (  0, 47)  
Nov. 19  22 59.06   -8  7.4   5.841   6.186   105   17.6  19:04 (  0, 47)  

* 128P/Shoemaker-Holt 1

Now it is 17.0 mag (Nov. 10, Purple Mountain Observatory, XuYi Station). It keeps observable at 17.5 mag in good condition from autumn to winter.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   3 25.81   16 41.2   2.086   3.074   175   17.6   0:02 (  0, 72)  
Nov. 19   3 21.20   16 14.4   2.084   3.070   174   17.6  23:25 (  0, 71)  

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

It has brightened in outburst up to 14 mag twice, in 2006 January and 2011 May. Third outburst occured on Aug. 28, and it brightened up to 14.8 mag (Aug. 30, Juan Jose Gonzalez). It has already faded down to 17.4 mag (Nov. 2, Katsumi Yoshimoto). It is observable in good condition for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   1  4.39    4 18.3   5.560   6.409   146   17.7  21:36 (  0, 59)  
Nov. 19   1  2.86    4  8.3   5.643   6.423   139   17.8  21:07 (  0, 59)  

* P/2016 Q1 ( Read )

Now it is 17.8 mag (Nov. 5, Catalina Sky Survey). First return of a new periodic comet discovered in 2005. In the Northern Hemisphere, it will be observable in excellent condition in winter. It locates somewhat low in the Southern Hemisphere. It is fainter than originally expected by 1 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   3 48.76   23 17.6   1.843   2.822   169   18.3   0:25 (  0, 78)  
Nov. 19   3 44.14   22 56.0   1.836   2.823   176   18.3  23:48 (  0, 78)  

* P/2016 R1 ( Catalina )

Now it is 18.9 mag (Oct. 27, Ken-ichi Kadota). First return of a new periodic comet discovered in 2007. It was expected to brighten up to 16.5 mag and will be observable in good condition from autumn to winter. But actually, it is fainter than originally expected by 2 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Nov. 12   3 24.54  -13 37.3   1.451   2.352   148   18.5   0:00 (  0, 41)  
Nov. 19   3 18.86  -13  3.4   1.442   2.334   147   18.5  23:22 (  0, 42)  

---------------------------------------------------------------------

Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.