Weekly Information about Bright Comets (2002 July 6: South)

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 Updated on July 11, 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 9 mag. However, now it is very diffused. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
July  6  15 22.32   -1  5.3   1.371   2.105   123    8.9     21.3 173.8  20:25 (180, 56)  
July 13  15 24.00   -3 22.5   1.537   2.205   118    9.4     18.8 165.2  19:59 (180, 59)

* 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)  
July  6   7 15.42  -17 13.5   2.253   1.615    40   12.7     36.7 134.1  18:31 ( 74,  8)  
July 13   7 28.04  -20  8.6   2.343   1.728    42   13.2     35.0 134.8   5:36 (291,  6)

* 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)  
July  6  10 15.78   80 10.7   3.974   3.594    61   12.9     25.6 135.9  18:31 (172,-28)  
July 13  10 56.07   77 52.9   3.987   3.605    61   13.0     25.5 142.8  18:34 (170,-26)

* 29P/Schwassmann-Wachmann 1
It kept as bright as 12 mag from early June to early July. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
July  6  21  3.58  -17 42.2   4.916   5.823   150   13.2      5.4 261.3   2:09 (180, 73)  
July 13  21  0.80  -17 48.4   4.867   5.822   157   13.2      6.1 260.9   1:39 (180, 73)

* C/2001 N2 ( LINEAR )
Now it is at the peak. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
July  6  17 13.88   16 17.6   1.909   2.708   133   13.6     54.1 248.3  22:14 (180, 39)  
July 13  16 50.65   13 48.4   1.955   2.696   127   13.7     50.8 244.1  21:24 (180, 41)

* 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)  
July  6   3 47.20   17 47.4   1.905   1.391    45   13.9     53.1  73.3   5:38 (229, 20)  
July 13   4 12.59   19 27.9   1.863   1.363    45   13.7     53.9  75.3   5:36 (228, 19)

* 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)  
July  6  12  5.19    4 31.5   2.201   2.185    75   14.1     19.6 117.4  18:31 (150, 46)  
July 13  12 13.78    3 25.6   2.239   2.144    71   14.0     21.6 116.9  18:34 (142, 44)

* C/2001 K5 ( LINEAR )
It is 13 mag visually. Strongly condensed. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
July  6  16 24.78   18 14.9   4.593   5.233   124   14.2      7.5 298.9  21:27 (180, 37)  
July 13  16 21.83   18 36.7   4.656   5.225   119   14.2      6.1 295.8  20:56 (180, 36)

* 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)  
July  6  14 51.44  -37 27.6   1.785   2.513   125   14.3      6.2 333.9  19:54 (  0, 88)  
July 13  14 50.73  -36 49.5   1.798   2.457   118   14.2      5.3   3.6  19:26 (  0, 88)

* 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)  
July  6   8 23.11   21 56.9   3.503   2.565    19   14.4     26.5 104.4  18:31 (116, -2)  
July 13   8 36.10   21  8.5   3.505   2.542    15   14.4     27.1 105.4  18:34 (113, -5)

* 7P/Pons-Winnecke
Although it seems to start fading by CCD, it still keeps as bright as around 12 mag visually even after the perihelion passage. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
July  6   0  5.73  -29 48.0   0.653   1.401   112   14.5     36.4 131.7   5:10 (180, 85)  
July 13   0 18.87  -32 35.6   0.668   1.439   115   14.8     31.6 138.6   4:56 (180, 88)

* 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)  
July  6   4 31.46   40 43.3   3.825   3.060    35   14.8     24.4  69.4   5:38 (221, -3)  
July 13   4 45.85   41 42.5   3.722   3.005    39   14.6     24.9  70.2   5:36 (219, -3)

* C/2000 WM1 ( LINEAR )
It became so faint now. It seems to be fainter than 18 mag in September. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
July  6  16 18.46   34 45.4   2.322   2.849   110   14.7     13.6 238.1  21:20 (180, 20)  
July 13  16 12.84   33 50.9   2.470   2.939   107   15.1     11.8 225.5  20:47 (180, 21)

* 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)  
July  6  20  5.80  -13 39.9   0.750   1.745   161   14.9      1.7 284.1   1:12 (180, 69)  
July 13  20  4.56  -13 41.1   0.730   1.738   168   14.8      3.4 257.3   0:43 (180, 69)

* C/2002 E2 ( Snyder-Murakami )
Fading rapidly. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
July  6  13 26.70   79  7.1   2.495   2.332    68   14.8     13.6 217.8  18:31 (180,-24)  
July 13  13 11.52   77 51.5   2.593   2.400    67   15.2     11.7 204.3  18:34 (177,-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)  
July  6  11 32.05   12  9.1   3.313   3.033    65   15.2     16.8 123.1  18:31 (145, 36)  
July 13  11 39.00   11  3.7   3.376   3.012    60   15.2     17.8 122.1  18:34 (138, 33)

* 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)  
July  6   9 39.82   -0 14.7   5.205   4.546    45   15.3      2.2  65.5  18:31 (110, 27)  
July 13   9 40.91   -0 10.2   5.240   4.497    39   15.3      2.7  81.8  18:34 (105, 21)

* 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)  
July  6   4 15.65    6 11.6   2.742   2.113    42   15.4     27.8  86.9   5:38 (243, 23)  
July 13   4 28.36    6 19.1   2.739   2.163    46   15.7     26.4  88.6   5:36 (241, 26)

* 46P/Wirtanen
It was 15.7 mag on July 7, about 3.5 mag fainter than expected. Although it had been expected to be 10 mag in August in the morning low sky, it may be 13.5 mag at best in fact. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
July  6   3 57.78   13 21.7   1.774   1.261    44   16.0     59.6  73.8   5:38 (235, 22)  
July 13   4 25.96   15 13.0   1.728   1.215    43   15.5     61.6  75.6   5:36 (234, 20)

* 77P/Longmore
After the conjunction, it will be too low to observe in the Northern Hemisphere. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
July  6  11 21.00    5 30.8   2.584   2.346    65   15.8     24.5 130.7  18:31 (137, 40)  
July 13  11 29.94    3 38.4   2.651   2.338    61   15.8     25.3 129.4  18:34 (130, 38)

* 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)  
July  6  10 56.60   54  5.9   5.819   5.284    53   15.9     15.0 142.4  18:31 (159, -5)  
July 13  11  3.94   52 43.2   5.883   5.304    51   15.9     15.1 140.6  18:34 (155, -5)

* C/2002 H2 ( LINEAR )
Fading rapidly. 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)  
July  6  12 59.17   63 19.9   2.258   2.131    69   16.0     21.2 220.1  18:31 (177, -8)  
July 13  12 47.83   61 29.6   2.393   2.188    66   16.4     17.7 211.1  18:34 (171, -7)

* 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)  
July  6   1  4.48    5 36.4   1.965   2.161    86   16.5     23.9  62.3   5:38 (192, 49)  
July 13   1 14.13    6 52.7   1.888   2.155    90   16.4     22.6  61.8   5:36 (186, 48)

* 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)  
July  6  20 49.48   15 51.9   1.971   2.766   132   16.6     40.9 306.8   1:56 (180, 39)  
July 13  20 32.71   18 36.3   1.937   2.765   136   16.6     42.1 302.3   1:12 (180, 37)

* 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)  
July  6  21 35.20   13 28.9   1.192   1.982   127   16.8     10.1  55.2   2:40 (180, 42)  
July 13  21 38.72   14  1.4   1.123   1.954   131   16.6      7.2  61.6   2:16 (180, 41)

* 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)  
July  6   1 34.48   -3 36.8   4.748   4.740    83   16.6      5.1  39.7   5:38 (208, 55)  
July 13   1 35.72   -3 10.8   4.686   4.786    89   16.7      4.0  30.0   5:36 (197, 57)

* 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)  
July  6  18 23.43  -16 19.8  10.507  11.507   169   17.1      3.8 267.3  23:25 (180, 71)  
July 13  18 21.61  -16 21.2  10.543  11.521   163   17.1      3.6 266.2  22:56 (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)  
July  6  15 21.79   -2 54.8   4.726   5.357   123   17.2      7.5 220.5  20:24 (180, 58)  
July 13  15 19.81   -3 36.0   4.774   5.315   117   17.1      7.1 210.9  19:55 (180, 59)

* 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)  
July  6  19 39.93   13 44.0   5.693   6.527   142   17.4     14.0 285.6   0:46 (180, 41)  
July 13  19 33.35   14  7.6   5.654   6.503   143   17.4     14.1 282.2   0:12 (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)  
July  6  21 35.75   15 28.0   7.880   8.517   125   17.4      6.3 295.6   2:41 (180, 40)  
July 13  21 32.86   15 45.4   7.854   8.562   131   17.5      6.6 289.8   2:11 (180, 39)

* 2002 MS3
New asteroid with a comet-like orbit. It approaches to the early in July and August, but only to be 18 mag at best. 
Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1    Mot.(') p.a.  Best Time(A, h)  
July  6  16 12.65   -0 51.4   0.381   1.310   133   18.0     68.9 226.2  21:13 (180, 56)  
July 13  15 47.93   -7 19.3   0.340   1.243   125   17.9     84.3 221.4  20:21 (180, 63)

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