Weekly Information about Bright Comets (2002 Nov. 16: North)

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 Updated on November 17, 2002
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Best time and the azimuth, altitude (A,h) are at lat. 35 deg in the Northern Hemisphere.

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* C/2001 RX14 ( LINEAR )
Getting brighter as expected. It will be observable at 10 mag in the good condition for a long time from winter to next spring. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  10 28.78   48 47.6   1.893   2.194    93   11.3     26.4  96.7   5:07 (226, 67)  
Nov. 23  10 46.79   48 24.0   1.818   2.166    96   11.2     25.1  97.9   5:13 (223, 69)

* 22P/Kopff
It will appear at dawn in next June at 15.5 mag, then it will be fading. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  16 55.03  -20 55.4   2.484   1.605    21   11.6     44.6  98.8  18:21 ( 65, -2)  
Nov. 23  17 17.30  -21 36.7   2.490   1.595    19   11.5     45.1  96.6  18:19 ( 65, -3)

* 116P/Wild 4
It is expected to be bright as 10-11 mag for a long time from winter to spring. But it was much fainter than this ephemeris, 15.5 mag in mid October. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  12 35.31   -2 14.5   2.816   2.221    44   12.4     31.0 114.4   5:07 (292, 25)  
Nov. 23  12 48.48   -3 43.6   2.748   2.211    47   12.3     30.8 114.2   5:13 (297, 28)

* C/2002 Q5 ( LINEAR )
It will appear at dawn at 14 mag in late December. Then it will fade out. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  16 30.83   -8 29.9   2.135   1.243    19   12.4     16.1 203.2  18:21 ( 79,  1)  
Nov. 23  16 27.98  -10  9.7   2.185   1.243    13   12.4     14.9 202.6  18:19 ( 82, -6)

* 28P/Neujmin 1
It was much fainter than this ephemeris, 17.4 mag on July 31 by Akimasa Nakamura. No further observations were reported, so the current brightness is uncertain. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  18 49.47  -29 58.2   2.122   1.631    47   13.2     42.4  76.3  18:21 ( 41, 11)  
Nov. 23  19 11.78  -28 40.4   2.134   1.607    45   13.2     43.8  74.2  18:19 ( 42, 12)

* 67P/Churyumov-Gerasimenko
It brightened about 1 mag after perihelion passage and reached to 12 mag. But now it is already getting fainter. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  11  2.78   13 32.4   1.671   1.657    71   13.3     28.5 106.3   5:07 (296, 53)  
Nov. 23  11 15.29   12 39.1   1.653   1.705    75   13.5     25.8 106.0   5:13 (303, 56)

* C/2001 HT50 ( LINEAR-NEAT )
It will be observable in good condition at 11-12 mag in early 2003 and 2003 autumn. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   9 57.13   -5 13.0   3.682   3.652    80   13.5      8.1 247.4   5:07 (334, 46)  
Nov. 23   9 53.02   -5 33.5   3.504   3.610    88   13.4     10.5 255.0   5:13 (347, 49)

* 46P/Wirtanen
It bursted out on Sept. 24 and reached to 8.5 mag. Then it faded to 11 mag soon. However, it keeps around 11.5 mag since mid October until early November. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  12 26.50    6 30.4   1.905   1.486    50   13.5     36.4 106.7   5:07 (286, 32)  
Nov. 23  12 42.33    5 20.5   1.914   1.544    53   14.6     34.0 106.2   5:13 (290, 35)

* 29P/Schwassmann-Wachmann 1
It seems to keep 12 mag recently. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  20 41.39  -17 28.3   5.974   5.792    74   13.6      6.8  70.4  18:21 ( 24, 34)  
Nov. 23  20 44.74  -17 11.4   6.079   5.791    68   13.6      7.7  70.8  18:19 ( 29, 32)

* C/2001 K5 ( LINEAR )
Strongly condensed. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  17  4.90   18 43.5   5.846   5.191    44   14.0     12.7  80.5  18:21 ( 97, 23)  
Nov. 23  17 11.16   19  0.2   5.864   5.194    43   14.0     13.1  78.2  18:19 (100, 19)

* C/2000 SV74 ( LINEAR )
It is as faint as 15 mag by CCD. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  14 33.71   42 51.3   4.334   3.977    62   14.2     12.5 126.4   5:07 (234, 25)  
Nov. 23  14 39.91   42  3.5   4.329   4.006    64   14.2     11.4 123.1   5:13 (237, 29)

* 65P/Gunn
After conjunction, it will appear at dawn at 14 mag in January. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  14 38.24  -11  5.3   3.622   2.670    13   14.7     27.1 111.2   5:07 (280, -5)  
Nov. 23  14 50.33  -12 12.4   3.582   2.654    17   14.7     27.2 110.3   5:13 (284, -1)

* C/2002 V1 ( NEAT )
It will approach to the sun down to 0.1 AU in February. In the Northern Hemisphere, it will be observable visually from January to early February in the evening sky. It will disappear around the perihelion passage. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   4 44.63   16 34.3   1.218   2.176   160   15.3     39.3 272.0   1:07 (  0, 72)  
Nov. 23   4 22.60   16 41.7   1.079   2.062   172   14.8     51.5 270.9   0:18 (  0, 72)

* C/2002 U2 ( LINEAR )
New comet. It will keep 15 mag until February. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  14 27.40   69 56.2   1.009   1.402    89   15.0     71.7 135.0   5:07 (204, 34)  
Nov. 23  15 18.44   63 40.2   1.027   1.351    84   14.9     65.2 145.5   5:13 (211, 31)

* 30P/Reinmuth 1
It will be observable in good condition at 14 mag in winter. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   9 53.61   12  1.4   1.684   1.908    86   15.3     29.5 101.7   5:07 (322, 62)  
Nov. 23  10  7.14   11 20.6   1.609   1.898    90   15.2     28.4 101.3   5:13 (333, 64)

* C/2001 N2 ( LINEAR )
It will appear at dawn at 15 mag in January. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  15 24.84  -18 12.3   3.814   2.825     0   15.3     10.4 158.1  18:21 ( 80,-18)  
Nov. 23  15 26.73  -19 19.5   3.829   2.849     6   15.3     10.3 158.4   5:13 (285,-12)

* 155P/2002 R2 ( Shoemaker 3 )
Recovered 3 mag fainter than expected. Although it will be at the peak in 2003 January and be observable in good condition, it may reach to 14.5 mag at best. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   8 42.74   18  9.6   1.315   1.841   105   15.5     27.2  94.8   5:03 (  0, 73)  
Nov. 23   8 55.65   17 55.1   1.249   1.829   109   15.4     25.5  93.9   4:49 (  0, 73)

* 92P/Sanguin
It became brighter than expected, reached to 13 mag. But it is fading rapidly after that. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  23  3.14  -11 15.0   1.322   1.892   109   15.7     25.5  92.6  19:22 (  0, 44)  
Nov. 23  23 15.44  -11 15.4   1.407   1.914   104   16.0     26.2  88.0  19:07 (  0, 44)

* C/1999 U4 ( Catalina-Skiff )
Appearing at dawn. It keeps 16 mag until 2003 June. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  13  5.83   35 51.2   6.102   5.730    63   16.1      9.3 108.4   5:07 (249, 38)  
Nov. 23  13 10.74   35 33.0   6.058   5.758    67   16.1      8.6 105.3   5:13 (252, 44)

* 154P/2002 Q4 ( Brewington )
Although it was expected to be 10 mag in winter, it does not brighten at all. It will be 15.5 mag at best. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  20 44.41  -19 52.1   1.903   1.900    74   16.2     27.0  55.9  18:21 ( 22, 32)  
Nov. 23  20 55.91  -18  3.6   1.935   1.861    70   16.1     29.0  56.9  18:19 ( 26, 33)

* C/2002 R3 ( LONEOS )
It will be observable at 16-17 mag until the end of 2003. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   2 38.23   19 28.6   3.300   4.275   169   16.4     29.2 259.1  22:55 (  0, 74)  
Nov. 23   2 24.27   18 48.0   3.313   4.250   158   16.3     28.4 257.8  22:13 (  0, 74)

* 2002 RP120
Asteroid with a cometary orbit. It will be fading after this. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   0 49.93   23  7.4   1.644   2.511   143   16.3     50.1 270.2  21:06 (  0, 78)  
Nov. 23   0 26.69   23  1.2   1.754   2.525   132   16.5     41.5 268.0  20:16 (  0, 78)

* C/2002 T7 ( LINEAR )
New comet. It is expected to be 1 mag in the southern sky in 2004 spring. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   5 46.59   28 26.7   5.754   6.598   146   16.5     10.0 275.2   2:08 (  0, 83)  
Nov. 23   5 41.03   28 32.2   5.632   6.535   154   16.4     11.0 273.7   1:35 (  0, 84)

* C/2002 O4 ( Hoenig )
Extremely diffused and hard to observe. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  12 13.48    2 27.0   1.464   1.147    51   16.5     41.2 186.7   5:07 (292, 32)  
Nov. 23  12 10.89   -2 18.0   1.457   1.239    57   17.2     41.1 189.0   5:13 (304, 35)

* C/2002 E2 ( Snyder-Murakami )
It keeps 16 mag since August unexpectedly. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16  17 18.34   73 22.1   3.453   3.656    93   16.6     18.8  82.3  18:21 (160, 39)  
Nov. 23  17 49.60   73 36.2   3.494   3.725    95   16.7     19.5  84.6  18:19 (160, 39)

* 81P/Wild 2
It will be observable until next spring when it becomes 13 mag in the evening sky. However, it is not observable around the perihelion passage. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   4 40.70   17 42.8   2.126   3.081   161   17.1     12.0 260.0   1:02 (  0, 73)  
Nov. 23   4 34.53   17 27.9   2.065   3.042   169   16.9     13.5 260.8   0:29 (  0, 72)

* 90P/Gehrels 1
It became 17 mag, brighter than expected. It keeps 17 mag in the high position until December. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   5 31.32   35  3.2   2.261   3.140   147   17.2      7.0 295.7   1:53 (180, 90)  
Nov. 23   5 27.27   35 22.1   2.236   3.156   154   17.2      8.2 286.8   1:21 (180, 90)

* C/2002 A3 ( LINEAR )
Appearing at dawn. It keeps 17 mag until next April. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   9 33.57    9  9.4   5.277   5.381    90   17.2      5.5  61.9   5:07 (335, 62)  
Nov. 23   9 35.62    9 29.6   5.180   5.396    97   17.2      4.9  49.9   5:13 (351, 64)

* P/2002 T5 ( LINEAR )
New periodic comet. It is observable at 17.5 mag in this winter and next winter. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   4 32.19  -14 32.2   3.303   4.134   142   17.3      7.9 264.7   0:54 (  0, 40)  
Nov. 23   4 28.26  -14 33.1   3.281   4.122   144   17.2      8.4 273.4   0:22 (  0, 40)

* C/2000 CT54 ( LINEAR )
Fading slowly. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   0 39.25    0  7.1   4.877   5.626   135   17.4      6.5 292.8  20:57 (  0, 55)  
Nov. 23   0 36.75    0 25.9   5.011   5.673   128   17.5      5.5 301.2  20:27 (  0, 55)

* C/2001 B2 ( NEAT )
Appearing at dawn. It is getting fainter gradually. It keeps brighter than 18 mag until March. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   9 39.26   21 22.8   7.727   7.847    93   17.6      4.4 324.1   5:07 (316, 72)  
Nov. 23   9 37.74   21 48.9   7.637   7.882   100   17.6      5.3 317.9   5:13 (342, 76)

* P/2002 T1 ( LINEAR )
New periodic comet. Now it is passing near by the earth. It will fade out rapidly after this. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov. 16   1  5.69   57  3.1   0.391   1.291   133   17.6     16.7   9.9  21:24 (180, 68)  
Nov. 23   1 10.26   58 29.2   0.445   1.326   131   18.0     11.4  40.5  21:01 (180, 66)

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