Weekly Information about Bright Comets (2002 June 29: South)

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Updated on July 1, 2002
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Best time and the azimuth, altitude (A,h) are at lat. 35 deg in the Southern Hemisphere.

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* C/2002 C1 ( Ikeya-Zhang )


The fading pace is very slow and the comet is still 8.5 mag. But now it is diffused. The anti-tail was observed in early June.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  15 21.95    1 35.5   1.212   2.003   127    8.5     25.0 181.9  20:52 (180, 54)  
July  6  15 22.32   -1  5.3   1.371   2.105   123    8.9     21.3 173.8  20:25 (180, 56)  

* C/2002 F1 ( Utsunomiya )


Although it did not fade at all in May and kept 8 mag until late May, it faded out rapidly in June, fainter than 10.5 mag in mid June. It is observable only in the Southern Hemisphere in the evening low sky. It will be hard to see it because it is very diffused now.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29   7  2.24  -14 11.0   2.160   1.499    38   12.1     38.7 133.7  18:28 ( 79,  9)  
July  6   7 15.42  -17 13.5   2.253   1.615    40   12.7     36.7 134.1  18:31 ( 74,  8)  

* 46P/Wirtanen


Although it was observed for the first time on June 23, the current brightness is uncertain. It is getting brighter rapidly now. It will be 10 mag in August in the morning low sky.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29   3 31.00   11 22.8   1.828   1.310    44   13.0     57.4  72.3   5:38 (236, 23)  
July  6   3 57.78   13 21.7   1.774   1.261    44   12.5     59.6  73.8   5:38 (235, 22)  

* C/2000 SV74 ( LINEAR )


It will be observable at 13 mag until September. It is fainter than 14 mag by CCD.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29   9 17.19   82  9.5   3.965   3.584    61   12.9     25.5 124.3  18:28 (173,-30)  
July  6  10 15.78   80 10.7   3.974   3.594    61   12.9     25.6 135.9  18:31 (172,-28)  

* C/2000 WM1 ( LINEAR )


The faint but great long tail can be found on CCD images.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  16 26.00   35 30.6   2.180   2.758   114   13.1     15.9 249.5  21:55 (180, 20)  
July  6  16 18.46   34 45.4   2.322   2.849   110   13.4     13.6 238.1  21:20 (180, 20)  

* 29P/Schwassmann-Wachmann 1


It bursted out on June 9 up to 12.0 mag and still keeps 12 mag. Now it has a galaxy-like coma.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  21  5.98  -17 37.2   4.978   5.825   143   13.2      4.5 262.2   2:39 (180, 73)  
July  6  21  3.58  -17 42.2   4.916   5.823   150   13.2      5.4 261.3   2:09 (180, 73)  

* C/2001 N2 ( LINEAR )


The brightening seems slow, so it reaches only up to 14 mag in June and July.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  17 39.14   18 26.5   1.894   2.722   136   13.6     55.2 252.7  23:07 (180, 37)  
July  6  17 13.88   16 17.6   1.909   2.708   133   13.6     54.1 248.3  22:14 (180, 39)  

* 67P/Churyumov-Gerasimenko


It was observed at 15.0 mag on June 18, as bright as expected. It will reach to 13.5 mag between July and October.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29   3 22.73   15 57.3   1.953   1.424    44   14.1     52.0  71.6   5:38 (231, 21)  
July  6   3 47.20   17 47.4   1.905   1.391    45   13.9     53.1  73.3   5:38 (229, 20)  

* 22P/Kopff


The condition in this return is bad. We can observe it only until August before perihelion passage when it becomes to 13 mag in the evening sky.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  11 57.48    5 32.0   2.161   2.226    80   14.3     17.5 118.0  18:28 (158, 47)  
July  6  12  5.19    4 31.5   2.201   2.185    75   14.1     19.6 117.4  18:31 (150, 46)  

* C/2001 K5 ( LINEAR )


It will be observable at around 14.5 mag in good position until September. It was reported as 13 mag visually. Strongly condensed.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  16 28.23   17 46.0   4.538   5.240   129   14.2      8.8 301.9  21:58 (180, 37)  
July  6  16 24.78   18 14.9   4.593   5.233   124   14.2      7.5 298.9  21:27 (180, 37)  

* 7P/Pons-Winnecke


It will be fading after this. In the Northern Hemisphere, it will only locate very low in the south after this.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  23 49.65  -26 57.7   0.641   1.367   108   14.2     41.3 126.4   5:22 (180, 82)  
July  6   0  5.73  -29 48.0   0.653   1.401   112   14.5     36.4 131.7   5:10 (180, 85)  

* 28P/Neujmin 1


Stellar object. It will reach to 13 mag at the end of this year. In the northern hemisphere, it keeps low in the south after this.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  14 53.93  -38  7.2   1.777   2.569   131   14.3      8.0 315.1  20:24 (  0, 87)  
July  6  14 51.44  -37 27.6   1.785   2.513   125   14.3      6.2 333.9  19:54 (  0, 88)  

* C/2002 H2 ( LINEAR )


Fading now. It keeps observable until it fades out in the Northern Hemisphere.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  13 16.76   65 15.2   2.119   2.076    73   14.3     25.4 229.9  18:46 (180,-10)  
July  6  12 59.17   63 19.9   2.258   2.131    69   14.6     21.2 220.1  18:31 (177, -8)  

* 116P/Wild 4


After conjunction, it will appear at dawn at 13 mag in October.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29   8 10.25   22 41.2   3.495   2.589    22   14.5     26.0 103.3  18:28 (119,  1)  
July  6   8 23.11   21 56.9   3.503   2.565    19   14.4     26.5 104.4  18:31 (116, -2)  

* C/2002 E2 ( Snyder-Murakami )


Fading rapidly.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  13 54.10   80 20.0   2.391   2.264    70   14.5     16.0 233.2  19:22 (180,-25)  
July  6  13 26.70   79  7.1   2.495   2.332    68   14.8     13.6 217.8  18:31 (180,-24)  

* C/2001 RX14 ( LINEAR )


Appearing at dawn. 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)  
June 29   4 17.66   39 43.2   3.925   3.116    32   14.9     23.9  68.7   5:38 (223, -5)  
July  6   4 31.46   40 43.3   3.825   3.060    35   14.8     24.4  69.4   5:38 (221, -3)  

* 57P/du Toit-Neujmin-Delporte


It was 15.5 mag in May, a bit brighter than this ephemeris. It will reach to 15 mag at best in July and August. However, it bursted out and became 6 mag brighter than this ephemeris in the previous return in 1996.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  20  6.06  -13 47.1   0.778   1.755   155   15.1      1.8  23.1   1:39 (180, 69)  
July  6  20  5.80  -13 39.9   0.750   1.745   161   14.9      1.7 284.1   1:12 (180, 69)  

* 6P/d'Arrest


It is not observable until August in the Northern Hemisphere.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29   4  2.32    5 58.1   2.741   2.063    39   15.1     29.2  85.3   5:38 (246, 21)  
July  6   4 15.65    6 11.6   2.742   2.113    42   15.4     27.8  86.9   5:38 (243, 23)  

* 65P/Gunn


It will be observable at 15 mag until August when it becomes low in the evening sky. It is brighter than this ephemeris recently, 14.5 mag even by CCD.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  11 25.61   13 12.1   3.247   3.054    70   15.2     15.6 124.4  18:28 (152, 37)  
July  6  11 32.05   12  9.1   3.313   3.033    65   15.2     16.8 123.1  18:31 (145, 36)  

* C/2001 HT50 ( LINEAR-NEAT )


Observable only in the Southern Hemisphere. After conjunction, it will appear at dawn at 13.5 mag in October.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29   9 39.09   -0 22.8   5.160   4.596    51   15.3      1.8  38.8  18:28 (116, 32)  
July  6   9 39.82   -0 14.7   5.205   4.546    45   15.3      2.2  65.5  18:31 (110, 27)  

* C/1999 U4 ( Catalina-Skiff )


It is observable until autumn at 15 mag. It was reported as 14 mag visually, but as 16 mag by CCD, so there is a large difference.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  10 49.36   55 30.2   5.753   5.265    56   15.5     14.9 144.2  18:28 (162, -4)  
July  6  10 56.60   54  5.9   5.819   5.284    53   15.6     15.0 142.4  18:31 (159, -5)  

* 77P/Longmore


Now it is at the peak. It became brighter than expected.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  11 12.51    7 22.6   2.516   2.354    69   15.8     23.7 132.3  18:28 (145, 41)  
July  6  11 21.00    5 30.8   2.584   2.346    65   15.8     24.5 130.7  18:31 (137, 40)  

* 74P/Smirnova-Chernykh


It keeps brighter than 17 mag until August.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  15 15.66  -15 46.4   3.175   3.946   133   16.4      3.5 259.1  20:46 (180, 71)  
July  6  15 14.41  -15 52.4   3.262   3.954   126   16.5      2.0 238.3  20:17 (180, 71)  

* 54P/de Vico-Swift


It has been lost since last appearance in 1965. If it becomes bright, it will be 15.5 mag in good condition in autumn. However, it seems to be fainter than 19 mag actually.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29   0 54.30    4 17.2   2.044   2.168    82   16.6     25.1  62.7   5:38 (199, 49)  
July  6   1  4.48    5 36.4   1.965   2.161    86   16.5     23.9  62.3   5:38 (192, 49)  

* C/2002 K4 ( NEAT )


It keeps 17 mag until September.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  21  4.40   12 56.9   2.027   2.769   127   16.7     38.6 311.3   2:38 (180, 42)  
July  6  20 49.48   15 51.9   1.972   2.767   132   16.6     40.9 306.8   1:56 (180, 39)  

* C/2000 CT54 ( LINEAR )


Appearing at dawn. It will be brighter than 17 mag until September.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29   1 32.67   -4  6.1   4.809   4.695    77   16.6      6.3  45.3   5:38 (218, 53)  
July  6   1 34.48   -3 36.8   4.748   4.740    83   16.6      5.1  39.7   5:38 (208, 55)  

* 92P/Sanguin


It will be 15.5 mag in September.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  21 30.79   12 42.1   1.267   2.012   123   17.1     12.6  53.2   3:04 (180, 42)  
July  6  21 35.20   13 28.9   1.192   1.982   127   16.8     10.1  55.2   2:40 (180, 42)  

* P/2002 JN16 ( LINEAR )


Now it is at the peak and it will soon fade out.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  15 24.43   -9  4.9   0.953   1.809   133   17.0      8.9  54.3  20:55 (180, 64)  
July  6  15 28.63   -8 35.8   0.991   1.801   127   17.0     11.0  73.3  20:31 (180, 64)  

* 95P/(2060) Chiron


It keeps 17 mag locating at the same altitude until October in the Northerm Hemisphere.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  18 25.29  -16 18.8  10.484  11.494   172   17.1      3.9 268.4  23:55 (180, 71)  
July  6  18 23.43  -16 19.8  10.507  11.507   169   17.1      3.8 267.3  23:25 (180, 71)  

* C/2002 J4 ( NEAT )


It will reach to 14 mag in the southern sky in 2003 summer.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  15 24.32   -2 16.5   4.683   5.396   130   17.2      7.9 228.6  20:54 (180, 57)  
July  6  15 21.79   -2 54.8   4.723   5.355   123   17.2      7.5 220.5  20:24 (180, 58)  

* C/2002 J5 ( LINEAR )


It is a far object. It will be 17 mag all through in 2003 and 2004.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  19 46.28   13 15.2   5.748   6.550   139   17.5     13.7 289.1   1:20 (180, 42)  
July  6  19 39.93   13 44.0   5.693   6.527   142   17.4     14.0 285.6   0:46 (180, 41)  

* C/1997 BA6 ( Spacewatch )


It keeps brightness around 17.5 mag still now.
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
June 29  21 38.37   15  7.2   7.915   8.472   120   17.4      6.0 302.2   3:11 (180, 40)  
July  6  21 35.75   15 28.0   7.880   8.517   125   17.4      6.3 295.6   2:41 (180, 40)  

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