Weekly Information about Bright Comets (2000 Nov. 4: South)

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Updated on November 10, 2000
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Best time and the azimuth, altitude (A,h) are at lat. 35 deg in the Southern Hemisphere.

Please see also the Comet Rendezvous Calendar, Latest Pictures of Comets.

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* C/1999 T1 ( McNaught-Hartley )


It is expected to reach to 7.8 mag in December and January. Northern people cannot observe it until December.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  12  5.78  -38 11.8   1.915   1.326    40    8.7     41.3  70.7   3:21 (302, 22)  
Nov. 11  12 28.44  -36 26.7   1.877   1.279    39    8.5     41.6  67.3   3:12 (301, 21)  

* 73P/Schwassmann-Wachmann 3


It may keep the brightness of the outburst in the last return and reach to 6 mag. However, it locates extremely low, only 8 deg at best from November to December in the Northern Hemisphere.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  13 21.48   -1 28.7   2.350   1.493    23   11.0     47.2 114.7   3:21 (281,-13)  
Nov. 11  13 42.12   -3 49.5   2.266   1.427    24   10.4     49.9 114.3   3:12 (283,-12)  

* C/1999 Y1 ( LINEAR )

Image: 2000 Feb. 5
It will be observable as 12 mag under good condition from October to December. Strange tail was observed.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   0 45.88   35 53.1   2.497   3.377   147   12.2     38.8 221.9  21:48 (180, 19)  
Nov. 11   0 32.06   32 25.8   2.512   3.351   142   12.2     37.9 217.6  21:07 (180, 23)  

* 47P/Ashbrook-Jackson


It keeps brighter than 13.5 mag until December, and the altitude will be higher slowly to 30 deg.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  20 42.04  -25 26.2   2.229   2.349    84   13.2     21.2  58.7  20:06 ( 98, 58)  
Nov. 11  20 51.73  -24  7.6   2.302   2.340    79   13.3     22.6  59.8  20:16 ( 95, 52)  

* C/1999 K8 ( LINEAR )

Image: 1999 Dec. 30
Because it is far away, it keeps brighter than 14 mag until late 2000.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   1 33.50   -5 51.5   3.592   4.501   153   13.3     10.9 210.1  22:36 (180, 61)  
Nov. 11   1 31.12   -6 53.6   3.665   4.522   146   13.4      9.5 209.1  22:07 (180, 62)  

* C/1999 T2 ( LINEAR )

Image: 2000 Jan. 8
Although it will be low around December, it is observable again in 2001 spring as 13.5 mag in good condition.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  16 45.88   32  4.1   3.477   3.044    56   13.5     14.1 169.9  20:06 (115,-21)  
Nov. 11  16 47.46   30 32.9   3.517   3.040    53   13.6     12.6 165.0  20:16 (110,-27)  

* C/1999 K5 ( LINEAR )

Image: 1999 July 31
It will be also observable in the Northern Hemisphere after 2001 October, but it will be fainter than 16.5 mag then.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   8 52.41  -73 28.8   3.593   3.457    74   14.0      8.3 228.4   3:21 (345, 47)  
Nov. 11   8 40.18  -74  5.6   3.603   3.480    74   14.0      9.7 239.3   3:12 (348, 48)  

* 29P/Schwassmann-Wachmann 1

Image: 1999 June 12
Not observable. It will appear at dawn in March.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  17 17.31  -29  8.8   6.745   6.008    39   14.0     10.5  89.2  20:06 ( 67, 19)  
Nov. 11  17 23.05  -29  7.8   6.807   6.006    33   14.0     10.9  89.2  20:16 ( 63, 13)  

* 71P/Clark


It is not observable at all until 2001 summer when it becomes fainter than 19 mag.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  15 49.96  -21 19.2   2.495   1.583    18   14.4     44.7 107.1  20:06 ( 62, -1)  
Nov. 11  16 11.72  -22 45.8   2.497   1.572    16   14.3     45.2 105.1  20:16 ( 59, -3)  

* C/1995 O1 ( Hale-Bopp )

Image: 1997 Apr. 5
Only southern people can observe it. Northern people can never see it again.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   6 40.78  -78 41.5  12.373  12.245    80   14.3      5.2 212.1   3:21 (358, 46)  
Nov. 11   6 33.29  -79 10.9  12.434  12.291    79   14.4      5.2 220.2   3:12 (  0, 46)  

* C/1997 BA6 ( Spacewatch )

Image: 1998 Dec. 5
Fading now. In the northern hemisphere, it will be higher than 20 deg only in October and November.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  20 26.31  -32  1.7   4.693   4.617    79   14.7     11.0  18.1  20:06 ( 84, 57)  
Nov. 11  20 28.51  -30 49.4   4.843   4.657    73   14.8     11.1  24.2  20:16 ( 82, 50)  

* 24P/Schaumasse


It will be observable as 9-10 mag from 2001 March to June. Although it should be bright already, not yet observed in this return.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   2 20.47   -0 29.8   1.433   2.401   163   15.4     18.2 260.1  23:23 (180, 56)  
Nov. 11   2 12.02   -0 47.4   1.397   2.343   157   15.1     18.2 264.2  22:47 (180, 56)  

* 2P/Encke


Not observable in the Northern Hemisphere. It is low in the evening sky in the southern hemisphere.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  17  3.05  -28 33.1   1.860   1.207    35   15.2     58.0  94.2  20:06 ( 66, 16)  
Nov. 11  17 32.22  -28 48.0   1.986   1.311    35   15.9     51.9  90.8  20:16 ( 65, 15)  

* C/2000 K2 ( LINEAR )


Brightened rapidly and reached to 15 mag.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  19 11.47   -0 53.4   2.618   2.444    68   15.2     29.8  99.3  20:06 (109, 27)  
Nov. 11  19 25.35   -1 23.9   2.689   2.453    65   15.3     30.3  97.3  20:16 (105, 22)  

* C/1999 U4 ( Catalina-Skiff )

Image: 1999 Nov. 28
It will be observable in good condition as 15 mag from autumn to winter.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   3  7.11   51 32.3   4.808   5.635   143   15.4      9.7 296.7   0:14 (180,  3)  
Nov. 11   3  0.40   51 59.3   4.766   5.609   145   15.4      9.6 290.5  23:35 (180,  3)  

* 145P/Shoemaker-Levy 5


It is at best as 16 mag in October and November.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   5 52.85   35 25.2   1.308   2.106   132   15.9      9.6   2.9   2:59 (180, 20)  
Nov. 11   5 52.11   36 30.9   1.280   2.127   138   16.0      9.6 341.9   2:31 (180, 19)  

* 74P/Smirnova-Chernykh

Image: 2000 Jan. 15
It is observable in good condition as 15 mag from February to April.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  11 16.37   10 53.1   4.008   3.556    56   16.0     16.3 108.6   3:21 (253,  5)  
Nov. 11  11 23.56   10 18.0   3.918   3.554    61   16.0     15.5 108.1   3:12 (251,  8)  

* P/2000 S1 ( Skiff )


New comet. It is fading out after this.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   0  4.99   -9 14.8   1.890   2.683   134   16.3     10.8 340.6  21:08 (180, 64)  
Nov. 11   0  3.89   -8  2.1   1.978   2.706   128   16.5     10.7 354.2  20:40 (180, 63)  

* C/2000 SV74 ( LINEAR )


New comet. It will be observable as 14 mag for one year after 2001 autumn.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   1 17.63    5 49.3   4.949   5.881   158   16.7     11.4 276.2  22:20 (180, 49)  
Nov. 11   1 12.47    5 58.7   4.958   5.837   150   16.6     10.8 277.9  21:48 (180, 49)  

* 41P/Tuttle-Giacobini-Kresak


It will be 14 mag in the morning sky in January. If it bursts out, as in the last return, it will be 8 mag.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  11 35.83    2 28.3   1.782   1.346    48   17.1     57.1 108.0   3:21 (262,  7)  
Nov. 11  12  1.77    0 21.4   1.713   1.294    48   16.7     59.8 108.0   3:12 (265,  6)  

* C/1999 H3 ( LINEAR )

Image: 2000 Feb. 17
The condition is good in winter and spring, but it is fading out.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  11 15.38   11 36.2   5.728   5.253    56   17.0      4.5 166.9   3:21 (252,  5)  
Nov. 11  11 15.64   11  6.8   5.661   5.296    63   17.0      4.0 179.2   3:12 (250,  9)  

* 17P/Holmes


Although it keeps brighter than 17 mag in October, it is fading out.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   2 45.61   47 53.9   1.621   2.515   147   17.1     11.6 261.9  23:48 (180,  7)  
Nov. 11   2 37.74   47 33.7   1.637   2.539   149   17.2     11.8 250.0  23:13 (180,  7)  

* 61P/Shajn-Schaldach


Although it is in the evening low sky as 17 mag in 2000 autumn, it will be observable again as 16.5 mag in 2001 autumn.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  20 32.29  -16 44.5   2.560   2.653    84   17.1     15.7  83.8  20:06 (109, 52)  
Nov. 11  20 40.32  -16 30.0   2.630   2.632    79   17.1     17.4  82.1  20:16 (103, 46)  

* 97P/Metcalf-Brewington


The condition is good until late December, but it reaches to 17.5 mag at best.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   0  1.51   -2 58.8   2.043   2.851   137   17.4      6.7 193.2  21:05 (180, 58)  
Nov. 11   0  1.31   -3 39.5   2.094   2.832   129   17.4      5.2 172.4  20:37 (180, 59)  

* 110P/Hartley 3


It keeps 17.5 mag with a good condition until late January.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   4 11.36   35 14.0   1.700   2.613   151   17.6      7.8 257.6   1:18 (180, 20)  
Nov. 11   4  6.48   34 57.3   1.656   2.600   157   17.5      9.9 251.7   0:46 (180, 20)  

* P/1999 WJ7 ( Korlevic )


Appearing at dawn. It will be 17.5 mag for a while.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  10  7.87   10 17.2   3.643   3.460    71   17.7     13.7 113.6   3:21 (242, 19)  
Nov. 11  10 13.51    9 40.2   3.558   3.474    77   17.7     12.4 114.3   3:12 (240, 22)  

* C/2000 O1 ( Koehn )


It keeps 17.5 mag until late October.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  23  3.21   33 16.6   5.578   6.245   128   17.7     14.4 225.4  20:06 (180, 22)  
Nov. 11  22 57.95   32  6.4   5.671   6.261   122   17.7     13.2 221.4  20:16 (170, 22)  

* 65P/Gunn

Image: 1999 Feb. 6
Although it is around the aphelion now, it is observable as 17 mag in good condition from December to March.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   8 30.01   26 39.1   4.259   4.513    98   17.8      4.1  68.4   3:21 (212, 21)  
Nov. 11   8 31.62   26 51.1   4.142   4.504   105   17.7      3.0  50.2   3:12 (208, 22)  

* 113P/Spitaler


The condition is good until late January, but it reaches to 18 mag at best.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   0 36.51    5 34.1   1.389   2.295   148   17.8      7.2 270.4  21:40 (180, 49)  
Nov. 11   0 33.79    5 37.7   1.419   2.276   141   17.8      4.5 282.8  21:09 (180, 49)  

* P/1999 XN120 ( Catalina )


The condition is good in January and February, but it reaches to 17.5 mag at best.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4   9 18.09   14 19.3   3.334   3.384    84   17.9     11.2 113.9   3:21 (230, 24)  
Nov. 11   9 22.67   13 48.7   3.240   3.391    90   17.9      9.7 115.6   3:12 (227, 27)  

* C/1999 K2 ( Ferris )

Image: 1999 May 31
Fading gradually. It keeps 17-18 mag at good position until October. No observations reported since 1999 August.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
Nov.  4  19 10.21   36 15.4   6.763   6.703    82   17.9      4.0 123.9  20:06 (137,  1)  
Nov. 11  19 12.38   36  1.5   6.851   6.733    79   18.0      4.5 112.4  20:16 (132, -4)  

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