Comet for Windows Tutorial

Japanese version
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Updated on June 16, 2007

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    Making of Annual Bulletin    

o Draw multiple light curves of comets.

Comet for Windows can draw multiple light curves of comets in one graph. Composite graph of light curves of comets which return in one year will be useful for an annual bulletin.

For example, here let's create a composite graph of light curves of periodic comets returning in 2006. Please launch Comet for Windows, and select "Menu" - "Light Curve (Multiple)" menu.

Please select "Setting" - "Select Comets" menu, and select periodic comets returning in 2006.

Please select "View" - "Setting" menu, and select different colors for each comet. Please input the title as "Bright Comets in 2006".

Finally, please select "View" - "Range" menu, and set the range of date to draw the light curves for one year from 2006 January to 2007 January. Please set the range of magnitude properly, too.

Then the composite graph of light curves of periodic comets returning in 2006 is completed.

This graph shows that we can see no bright comets in early 2006, however, we can enjoy some bright comets from spring to summer.

o Make an ephemeris table.

Comet for Windows can make an ephemeris table to publish in the annual bulletin of comets.

For example, here let's make an ephemeris table of periodic comets returning in 2006. Please launch Comet for Windows, and select "Menu" - "Ephemeris" menu.

Please select "Setting" - "Select Comets" menu, and select periodic comets returning in 2006. Please select "View" - "Sort" - "Sort by Perihelion Date (T)" menu, and display comets in the order of the perihelion date.

Please select "View" - "Setting" menu, and configure as you want. For example, here configure as follows.

Next, please select "Setting" - "Date" menu, and open "Date" dialog. Here please check "Set by Days from T" check box, and input the range of "Days from T" as follows.

Finally, please select "View" - "Format" - "Order by Comet with Orbital Elements (Default)" menu.

Then the ephemeris table of periodic comets returning in 2006 for 200 days around the perihelion passage respectively is completed.

Comments on each comet can be derived from this ephemeris table.

For example, this ephemeris table shows that Comet 73P/Schwassmann-Wachmann 3 is observable in good condition. It passes extremely close by the earth and becomes a naked eye object. In addition, it keeps observable for a long time, from when it starts brightening, until when it becomes faint. Comet 4P/Faye keeps observable for a long time, too.

On the other hand, the condition of Comet 45P/Honda-Mrkos-Pajdusakova is very bad, and it will not be observable in this return. Comet 71P/Clark will be low after the perihelion passage in the Northern Hemisphere, so it should be observed in spring when it locates high.


132P/Helin-Roman-Alu 2
    Epoch = 2006 Mar.  6.0     
    T = 2006 Feb. 14.9934  
    q =  1.924163      Peri.= 221.0984  
    e =  0.529995      Node.= 178.3877      (2000.0)
                          i =   5.7659  
    m1 = 7.2 + 5 log d +  31    log r(t - 26)   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2005-11- 6  22  7.77  -11 17.6   2.119   1.630   105   19.0  19:04 (  0, 44)  
2005-11-26  22 31.22  -10  3.7   2.053   1.783    90   18.7  18:18 (  3, 45)  
2005-12-16  23  2.58   -7 43.7   1.998   1.942    78   18.4  18:20 ( 21, 45)  
2006- 1- 5  23 39.52   -4 30.2   1.958   2.099    68   18.2  18:32 ( 40, 42)  
2006- 1-25   0 20.38   -0 38.8   1.933   2.252    58   18.1  18:48 ( 57, 37)  
2006- 2-14   1  4.05    3 32.3   1.924   2.402    50   18.0  19:06 ( 71, 30)  
2006- 3- 6   1 49.83    7 43.2   1.933   2.549    42   18.0  19:23 ( 83, 23)  
2006- 3-26   2 37.21   11 34.8   1.958   2.694    34   18.2  19:40 ( 94, 15)  
2006- 4-15   3 25.67   14 50.6   1.998   2.836    27   18.4  20:00 (104,  6)  
2006- 5- 5   4 14.53   17 18.3   2.053   2.972    19   18.8  20:23 (113, -2)  
2006- 5-25   5  2.98   18 51.2   2.119   3.096    12   19.2  20:45 (122,-11)  

98P/Takamizawa
    Epoch = 2006 Mar.  6.0     
    T = 2006 Mar.  6.4762  
    q =  1.662810      Peri.= 157.8784  
    e =  0.562105      Node.= 114.7656      (2000.0)
                          i =  10.5567  
    m1 = 13.0 + 5 log d +  15    log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2005-11-26  15 13.51  -10 52.0   1.928   2.852    16   19.6   5:16 (282, -1)  
2005-12-16  16  5.28  -14 12.5   1.840   2.702    23   19.1   5:30 (291,  5)  
2006- 1- 5  17  1.24  -16 44.8   1.766   2.553    29   18.7   5:38 (298,  9)  
2006- 1-25  18  0.45  -18 12.1   1.710   2.413    35   18.4   5:36 (302, 11)  
2006- 2-14  19  1.19  -18 24.9   1.675   2.286    41   18.2   5:22 (303, 12)  
2006- 3- 6  20  1.28  -17 25.8   1.663   2.175    46   18.0   4:59 (301, 12)  
2006- 3-26  20 58.60  -15 30.2   1.675   2.074    52   17.9   4:31 (299, 12)  
2006- 4-15  21 51.58  -13  2.9   1.710   1.981    59   18.0   4:00 (296, 12)  
2006- 5- 5  22 39.17  -10 31.9   1.766   1.889    67   18.1   3:31 (294, 14)  
2006- 5-25  23 20.54   -8 24.3   1.840   1.792    76   18.2   3:08 (295, 18)  
2006- 6-14  23 54.72   -7  3.9   1.928   1.689    87   18.4   2:58 (300, 26)  

83P/Russell 1
    Epoch = 2006 Apr. 15.0     
    T = 2006 Apr.  7.7445  
    q =  2.171785      Peri.= 333.7771  
    e =  0.438953      Node.= 226.4197      (2000.0)
                          i =  17.7666  
    m1 = 13.0 + 5 log d +  15    log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2005-12-28  12 17.20  -19 59.3   2.302   2.167    85   20.1   5:36 (356, 35)  
2006- 1-17  12 42.65  -23 23.8   2.257   1.901    97   19.7   4:57 (  0, 32)  
2006- 2- 6  13  2.33  -25 54.6   2.220   1.654   112   19.3   3:58 (  0, 29)  
2006- 2-26  13 13.52  -26 59.7   2.194   1.438   128   18.9   2:51 (  0, 28)  
2006- 3-18  13 14.58  -26  0.8   2.177   1.276   146   18.6   1:34 (  0, 29)  
2006- 4- 7  13  7.96  -22 38.3   2.172   1.191   164   18.4   0:09 (  0, 32)  
2006- 4-27  13  1.07  -17 40.2   2.177   1.201   160   18.5  22:39 (  0, 37)  
2006- 5-17  13  1.22  -12 54.5   2.194   1.306   142   18.7  21:21 (  0, 42)  
2006- 6- 6  13 10.92   -9 41.0   2.220   1.485   124   19.1  20:56 ( 15, 44)  
2006- 6-26  13 28.95   -8 12.5   2.257   1.715   108   19.5  21:04 ( 37, 39)  
2006- 7-16  13 53.09   -8  5.8   2.302   1.976    95   19.9  20:56 ( 49, 33)  

P/1999 RO28 ( LONEOS )
    Epoch = 2006 May 25.0     
    T = 2006 May 11.7612  
    q =  1.227799      Peri.= 219.9689  
    e =  0.651293      Node.= 148.3707      (2000.0)
                          i =   8.1836  
    m1 = 20.5 + 5 log d +  10    log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 1-31  20 11.30  -17  4.3   1.709   2.667    10   25.0   5:33 (285, -9)  
2006- 2-20  21 10.70  -14 11.5   1.563   2.488    16   24.4   5:16 (283, -7)  
2006- 3-12  22 14.46   -9 56.8   1.431   2.324    20   23.9   4:51 (278, -6)  
2006- 4- 1  23 22.11   -4 30.5   1.324   2.194    22   23.4   4:22 (271, -7)  
2006- 4-21   0 32.97    1 37.1   1.253   2.112    23   23.1   3:51 (263, -8)  
2006- 5-11   1 45.83    7 37.6   1.228   2.083    23   23.0   3:23 (254, -9)  
2006- 5-31   2 58.70   12 38.2   1.253   2.103    24   23.1   3:04 (248, -8)  
2006- 6-20   4  9.02   16  3.3   1.324   2.156    26   23.4   2:59 (246, -6)  
2006- 7-10   5 14.24   17 45.0   1.431   2.224    29   23.8   3:09 (248,  0)  
2006- 7-30   6 12.58   17 57.7   1.562   2.286    34   24.2   3:29 (254,  8)  
2006- 8-19   7  3.19   17  6.1   1.708   2.326    41   24.7   3:51 (261, 17)  

71P/Clark
    Epoch = 2006 May 25.0     
    T = 2006 June  7.2131  
    q =  1.562127      Peri.= 208.7515  
    e =  0.499855      Node.=  59.6553      (2000.0)
                          i =   9.4886  
    m1 = 8.0 + 5 log d + 22.0 log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 2-27  16 20.92  -16 13.5   1.826   1.496    92   14.6   5:08 (346, 38)  
2006- 3-19  17  4.44  -18 53.3   1.739   1.241   101   13.8   4:41 (349, 35)  
2006- 4- 8  17 47.62  -21 35.4   1.665   1.019   111   12.9   4:11 (351, 33)  
2006- 4-28  18 28.32  -24 42.6   1.609   0.838   121   12.2   3:40 (354, 30)  
2006- 5-18  19  3.04  -28 42.4   1.574   0.700   132   11.6   3:15 (359, 26)  
2006- 6- 7  19 26.89  -33 42.9   1.562   0.614   146   11.2   2:26 (  0, 21)  
2006- 6-27  19 36.11  -38 47.4   1.574   0.585   158   11.2   1:17 (  0, 16)  
2006- 7-17  19 34.53  -41 58.1   1.609   0.618   159   11.5  23:53 (  0, 13)  
2006- 8- 6  19 34.82  -42  9.8   1.665   0.715   148   12.1  22:35 (  0, 13)  
2006- 8-26  19 46.13  -40  3.2   1.739   0.869   135   13.0  21:28 (  0, 15)  
2006- 9-15  20  8.08  -36 44.0   1.826   1.075   122   13.9  20:31 (  0, 18)  

102P/Shoemaker 1
    Epoch = 2006 May 25.0     
    T = 2006 June  7.3313  
    q =  1.973642      Peri.=  18.5591  
    e =  0.472263      Node.= 339.9444      (2000.0)
                          i =  26.2531  
    m1 = 12.0 + 5 log d +  15    log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 2-27  22  1.51  -19 12.6   2.141   3.086    14   19.4   5:08 (283,-16)  
2006- 3-19  22 41.34  -13 10.4   2.083   2.972    22   19.1   4:41 (279,-10)  
2006- 4- 8  23 19.80   -6 39.7   2.037   2.839    30   18.9   4:11 (275, -5)  
2006- 4-28  23 57.20    0 13.3   2.002   2.691    38   18.7   3:40 (271,  1)  
2006- 5-18   0 33.87    7 22.6   1.981   2.535    46   18.5   3:15 (267,  9)  
2006- 6- 7   1 10.05   14 41.8   1.974   2.374    54   18.3   3:00 (265, 19)  
2006- 6-27   1 45.79   22  4.5   1.981   2.214    63   18.2   3:01 (264, 31)  
2006- 7-17   2 20.74   29 24.2   2.002   2.058    72   18.1   3:15 (263, 46)  
2006- 8- 6   2 53.85   36 35.1   2.036   1.909    82   18.0   3:37 (257, 62)  
2006- 8-26   3 22.93   43 31.4   2.083   1.773    92   18.0   3:58 (233, 74)  
2006- 9-15   3 43.89   50  4.5   2.141   1.656   104   18.1   4:09 (180, 75)  

73P/Schwassmann-Wachmann 3
    Epoch = 2006 May 25.000000
    T = 2006 June  7.404707
    q =  0.9391603     Peri.= 198.80886 
    e =  0.6932642     Node.=  69.89405     (2000.0)
                          i =  11.39709 
    m1 = 7.5 + 5 log d + 18.0 log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 2-27  13 53.57   12 55.8   1.637   0.796   132   10.9   3:27 (  0, 68)  
2006- 3-19  14 18.82   16 38.2   1.448   0.532   141    9.0   2:33 (  0, 71)  
2006- 4- 8  14 48.51   22 28.4   1.266   0.318   141    6.9   1:44 (  0, 77)  
2006- 4-28  16  3.43   31 53.2   1.103   0.147   127    4.1   1:36 (  0, 86)  
2006- 5-18  22 50.80   14  0.8   0.984   0.085    68    2.0   3:15 (276, 37)  
2006- 6- 7   1 12.75   -8 58.8   0.939   0.225    64    3.8   3:00 (284,  5)  
2006- 6-27   1 55.73  -11 43.3   0.984   0.374    74    5.2   3:01 (292, 10)  
2006- 7-17   2 19.48  -12 15.2   1.103   0.489    86    6.7   3:15 (304, 22)  
2006- 8- 6   2 25.97  -13 25.4   1.266   0.564   102    8.1   3:37 (326, 35)  
2006- 8-26   2 11.59  -15 27.9   1.448   0.621   123    9.4   3:57 (  0, 40)  
2006- 9-15   1 38.56  -17  5.9   1.637   0.704   145   10.6   2:06 (  0, 38)  

41P/Tuttle-Giacobini-Kresak
    Epoch = 2006 May 25.000000
    T = 2006 June 11.275170
    q =  1.0477681     Peri.=  62.19799 
    e =  0.6603720     Node.= 141.08977     (2000.0)
                          i =   9.22949 
    m1 = 13.5 + 5 log d + 18.0 log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 3- 3   5 26.93   18 10.5   1.642   1.154    99   17.7  19:20 ( 29, 71)  
2006- 3-23   5 47.10   21  3.0   1.473   1.182    84   16.9  19:38 ( 68, 61)  
2006- 4-12   6 24.65   23 36.2   1.314   1.180    73   16.0  19:57 ( 85, 51)  
2006- 5- 2   7 18.70   25 14.5   1.178   1.141    66   15.1  20:19 ( 94, 42)  
2006- 5-22   8 28.58   25  6.0   1.083   1.071    62   14.3  20:42 ( 98, 35)  
2006- 6-11   9 52.14   22  4.4   1.048   0.993    62   13.9  20:59 ( 96, 31)  
2006- 7- 1  11 24.12   15 21.3   1.082   0.945    66   14.0  21:04 ( 88, 30)  
2006- 7-21  12 56.68    5 41.6   1.178   0.967    72   14.7  20:52 ( 75, 29)  
2006- 8-10  14 22.61   -4 13.7   1.314   1.083    77   15.8  20:28 ( 61, 29)  
2006- 8-30  15 38.46  -11 59.5   1.473   1.290    78   17.1  19:58 ( 49, 28)  
2006- 9-19  16 44.49  -17  0.7   1.642   1.567    75   18.4  19:26 ( 42, 26)  

45P/Honda-Mrkos-Pajdusakova
    Epoch = 2006 July  4.000000
    T = 2006 June 29.784680
    q =  0.5302429     Peri.= 326.11761 
    e =  0.8245212     Node.=  89.11034     (2000.0)
                          i =   4.25324 
    m1 = 16.0 + 5 log d + 30.0 log r   [ -inf ,   10 ]
    m1 = 11.0 + 5 log d + 10.0 log r   [   10 ,   65 ]
    m1 = 11.5 + 5 log d + 20.0 log r   [   65 ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 3-21  21 14.94  -17 17.2   1.755   2.311    45   25.1   4:38 (296,  5)  
2006- 4-10  22 12.16  -12 54.9   1.504   1.931    50   22.8   4:08 (291,  6)  
2006- 4-30  23 23.91   -6 14.4   1.235   1.590    50   19.8   3:38 (282,  6)  
2006- 5-20   0 58.86    3 33.2   0.950   1.350    44   16.0   3:13 (269,  4)  
2006- 6- 9   3  3.87   15  0.8   0.675   1.297    30   11.4   3:00 (251, -1)  
2006- 6-29   5 31.96   22 24.9   0.530   1.452    14    8.5   3:02 (235, -9)  
2006- 7-19   7 50.34   21 43.9   0.674   1.690     1   10.4   3:17 (227,-16)  
2006- 8- 8   9 31.09   16 28.4   0.950   1.958     4   12.2  20:31 (123,-15)  
2006- 8-28  10 42.31   10 35.8   1.235   2.241     3   13.7  20:01 (115,-15)  
2006- 9-17  11 35.99    5 20.7   1.504   2.506     3   17.0   4:18 (252,-15)  
2006-10- 7  12 19.13    0 54.6   1.755   2.728    10   18.6   4:35 (263, -8)  

P/1999 X1 ( Hug-Bell )
    Epoch = 2006 July  4.0     
    T = 2006 July  6.6805  
    q =  1.947003      Peri.= 296.8745  
    e =  0.470981      Node.= 103.6482      (2000.0)
                          i =  10.9630  
    m1 = 13.5 + 5 log d + 10.0 log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 3-28   0 17.55   -5 58.8   2.118   3.096     9   19.2   4:28 (262,-21)  
2006- 4-17   1  0.85   -1 33.4   2.059   3.007    15   19.0   3:57 (259,-18)  
2006- 5- 7   1 45.41    2 47.5   2.011   2.905    22   18.9   3:28 (256,-14)  
2006- 5-27   2 31.21    6 51.1   1.976   2.795    29   18.7   3:07 (255, -9)  
2006- 6-16   3 18.01   10 24.4   1.954   2.681    36   18.6   2:58 (256, -3)  
2006- 7- 6   4  5.30   13 16.9   1.947   2.563    42   18.4   3:06 (259,  7)  
2006- 7-26   4 52.15   15 21.9   1.954   2.440    50   18.3   3:25 (264, 18)  
2006- 8-15   5 37.28   16 38.6   1.976   2.310    58   18.3   3:46 (270, 30)  
2006- 9- 4   6 19.18   17 13.8   2.011   2.170    67   18.2   4:07 (279, 42)  
2006- 9-24   6 56.14   17 21.0   2.059   2.019    78   18.2   4:24 (290, 54)  
2006-10-14   7 26.22   17 20.6   2.118   1.860    90   18.1   4:40 (311, 66)  

84P/Giclas
    Epoch = 2006 Aug. 13.0     
    T = 2006 Aug.  7.4552  
    q =  1.851739      Peri.= 276.3267  
    e =  0.492412      Node.= 112.4745      (2000.0)
                          i =   7.2809  
    m1 = 8.5 + 5 log d +  25    log r(t - 123)   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 4-29   0 12.09   -3 19.1   2.046   2.749    37   21.1   3:39 (272, -3)  
2006- 5-19   0 56.65    0 47.2   1.980   2.560    45   20.5   3:14 (270,  1)  
2006- 6- 8   1 42.32    4 43.3   1.926   2.373    52   19.9   3:00 (270,  7)  
2006- 6-28   2 28.84    8 15.1   1.885   2.192    59   19.3   3:01 (271, 16)  
2006- 7-18   3 15.51   11  9.0   1.860   2.019    66   18.7   3:16 (276, 28)  
2006- 8- 7   4  1.02   13 15.3   1.852   1.854    73   18.1   3:38 (283, 40)  
2006- 8-27   4 43.42   14 31.1   1.860   1.695    82   17.5   3:59 (293, 52)  
2006- 9-16   5 20.11   15  2.8   1.885   1.542    93   16.9   4:17 (312, 63)  
2006-10- 6   5 48.00   15  6.4   1.926   1.397   105   16.4   4:34 (349, 70)  
2006-10-26   6  3.71   15  6.4   1.980   1.270   121   15.9   3:47 (  0, 70)  
2006-11-15   6  4.66   15 28.8   2.046   1.181   141   15.6   2:30 (  0, 70)  

52P/Harrington-Abell
    Epoch = 2006 Aug. 13.0     
    T = 2006 Aug. 14.7749  
    q =  1.757114      Peri.= 139.0847  
    e =  0.542855      Node.= 337.1778      (2000.0)
                          i =  10.2205  
    m1 =   5    + 5 log d +  25    log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 5- 6   3 47.30   27  0.9   1.991   2.941    16   14.8  20:24 (125, -2)  
2006- 5-26   4 41.21   28 53.3   1.912   2.902     9   14.4  20:46 (134, -8)  
2006- 6-15   5 39.25   29 36.5   1.847   2.853     6   13.9  21:02 (141,-12)  
2006- 7- 5   6 39.56   28 53.5   1.798   2.801     7   13.6   3:05 (223,-11)  
2006- 7-25   7 39.72   26 38.8   1.767   2.751    11   13.4   3:24 (230, -7)  
2006- 8-14   8 37.52   23  0.1   1.757   2.705    16   13.3   3:45 (240, -2)  
2006- 9- 3   9 31.57   18 16.0   1.767   2.662    21   13.3   4:06 (250,  3)  
2006- 9-23  10 21.36   12 50.4   1.798   2.620    28   13.5   4:23 (261, 10)  
2006-10-13  11  6.95    7  6.9   1.847   2.571    35   13.7   4:39 (272, 16)  
2006-11- 2  11 48.57    1 25.2   1.912   2.509    43   14.0   4:56 (286, 24)  
2006-11-22  12 26.22   -3 59.2   1.991   2.429    52   14.4   5:12 (301, 31)  

D/1977 C1 ( Skiff-Kosai )
    Epoch = 2006 Aug. 13.000000
    T = 2006 Aug. 31.367380
    q =  2.7951451     Peri.=  26.56336 
    e =  0.2684986     Node.=  80.37021     (2000.0)
                          i =   3.20335 
    m1 = 9.0 + 5 log d +  15    log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 5-23   5  7.20   23  0.8   2.845   3.806    15   18.7  20:43 (123, -5)  
2006- 6-12   5 43.57   23 42.1   2.827   3.837     5   18.7  21:00 (133,-14)  
2006- 7- 2   6 20.64   23 51.5   2.813   3.824     5   18.7   3:04 (227,-14)  
2006- 7-22   6 57.67   23 28.9   2.803   3.765    16   18.6   3:20 (237, -5)  
2006- 8-11   7 33.91   22 36.3   2.797   3.663    26   18.5   3:42 (247,  6)  
2006- 8-31   8  8.67   21 19.0   2.795   3.521    38   18.4   4:03 (256, 18)  
2006- 9-20   8 41.24   19 44.2   2.797   3.340    49   18.3   4:21 (266, 30)  
2006-10-10   9 10.85   18  1.8   2.803   3.128    62   18.2   4:37 (278, 43)  
2006-10-30   9 36.59   16 23.8   2.813   2.890    75   18.0   4:53 (294, 55)  
2006-11-19   9 57.28   15  4.5   2.827   2.639    90   17.9   5:10 (324, 66)  
2006-12- 9  10 11.33   14 19.2   2.845   2.392   107   17.7   5:01 (  0, 69)  

114P/Wiseman-Skiff
    Epoch = 2006 Sept. 22.0     
    T = 2006 Sept. 13.2046  
    q =  1.577590      Peri.= 172.8998  
    e =  0.555098      Node.= 271.0433      (2000.0)
                          i =  18.2655  
    m1 = 6.5 + 5 log d +  40    log r   [ -inf ,    0 ]
    m1 = 12.3 + 5 log d +  10    log r   [    0 ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 6- 5   2 38.38   27 13.1   1.864   2.664    30   19.4   3:01 (242,  7)  
2006- 6-25   3 37.19   29 54.9   1.769   2.493    35   18.4   3:00 (242, 12)  
2006- 7-15   4 40.91   31  7.7   1.690   2.331    40   17.5   3:14 (244, 18)  
2006- 8- 4   5 47.02   30 24.4   1.629   2.183    44   16.7   3:34 (249, 24)  
2006- 8-24   6 51.81   27 34.1   1.591   2.050    49   16.1   3:56 (255, 30)  
2006- 9-13   7 51.85   22 48.1   1.578   1.931    54   15.8   4:15 (265, 35)  
2006-10- 3   8 45.09   16 34.1   1.591   1.823    60   15.6   4:32 (278, 41)  
2006-10-23   9 30.71    9 25.9   1.629   1.722    67   15.6   4:47 (296, 46)  
2006-11-12  10  8.26    1 55.8   1.690   1.622    76   15.6   5:04 (319, 50)  
2006-12- 2  10 36.96   -5 28.7   1.769   1.523    86   15.7   5:20 (347, 49)  
2006-12-22  10 55.14  -12 21.2   1.863   1.427    99   15.8   4:54 (  0, 43)  

80P/Peters-Hartley
    Epoch = 2006 Sept. 22.0     
    T = 2006 Sept. 25.8202  
    q =  1.633650      Peri.= 338.6093  
    e =  0.596153      Node.= 259.8816      (2000.0)
                          i =  29.8963  
    m1 = 12.0 + 5 log d + 20.0 log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 6-17   9 42.68  -15 15.9   1.922   2.018    69   19.2  21:03 ( 69,  2)  
2006- 7- 7  10 27.42  -15 55.5   1.827   2.062    62   18.8  21:02 ( 74, -4)  
2006- 7-27  11 18.40  -17 15.9   1.746   2.107    55   18.5  20:46 ( 74, -8)  
2006- 8-16  12 14.58  -18 56.2   1.685   2.160    49   18.2  20:19 ( 72, -8)  
2006- 9- 5  13 14.71  -20 30.3   1.647   2.228    43   18.1  19:48 ( 69, -6)  
2006- 9-25  14 17.19  -21 32.6   1.634   2.314    37   18.1  19:17 ( 66, -4)  
2006-10-15  15 20.20  -21 43.3   1.647   2.416    31   18.2  18:49 ( 65, -2)  
2006-11- 4  16 21.89  -20 51.9   1.685   2.531    25   18.5  18:29 ( 65, -1)  
2006-11-24  17 20.70  -18 57.1   1.746   2.651    18   19.0  18:18 ( 68, -1)  
2006-12-14  18 15.60  -16  4.4   1.827   2.770    13   19.4  18:19 ( 73, -5)  
2007- 1- 3  19  6.08  -12 23.2   1.922   2.880    10   20.0  18:30 ( 82,-10)  

112P/Urata-Niijima
    Epoch = 2006 Nov.  1.0     
    T = 2006 Oct. 29.5759  
    q =  1.464693      Peri.=  21.4481  
    e =  0.586488      Node.=  31.9281      (2000.0)
                          i =  24.1675  
    m1 = 14.0 + 5 log d + 15.0 log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 7-21   2 20.00   -4 46.6   1.803   1.532    87   18.8   3:19 (303, 31)  
2006- 8-10   2 58.24    0 45.8   1.694   1.269    95   18.0   3:41 (313, 45)  
2006- 8-30   3 35.96    7 37.1   1.600   1.033   103   17.1   4:02 (330, 59)  
2006- 9-19   4 12.19   16 42.8   1.527   0.833   112   16.4   4:20 (  0, 71)  
2006-10- 9   4 44.91   29  3.6   1.481   0.683   122   15.7   3:35 (  0, 84)  
2006-10-29   5  9.46   44 21.7   1.465   0.602   131   15.4   2:41 (180, 81)  
2006-11-18   5 16.18   58 58.8   1.481   0.600   136   15.4   1:30 (180, 67)  
2006-12- 8   4 56.59   67 58.6   1.527   0.664   134   15.9  23:48 (180, 57)  
2006-12-28   4 35.00   70  7.4   1.600   0.778   130   16.5  22:08 (180, 55)  
2007- 1-17   4 46.44   68  0.1   1.694   0.930   124   17.3  21:00 (180, 57)  
2007- 2- 6   5 23.95   63 57.2   1.803   1.122   117   18.1  20:19 (180, 61)  

P/2000 C1 ( Hergenrother )
    Epoch = 2006 Nov.  1.0     
    T = 2006 Nov.  6.9189  
    q =  2.088289      Peri.=  51.2961  
    e =  0.407732      Node.= 127.0066      (2000.0)
                          i =   6.1081  
    m1 =  13    + 5 log d +  10    log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 7-29   9 17.10   16 52.2   2.219   3.212     9   19.0  20:43 (121,-12)  
2006- 8-18  10  0.06   13 49.3   2.174   3.185     2   18.9  20:16 (120,-16)  
2006- 9- 7  10 43.15   10 15.2   2.137   3.134     6   18.8   4:09 (248,-11)  
2006- 9-27  11 26.18    6 19.7   2.110   3.062    15   18.7   4:27 (260, -3)  
2006-10-17  12  9.08    2 14.6   2.094   2.972    23   18.6   4:43 (270,  5)  
2006-11- 6  12 51.80   -1 47.0   2.088   2.864    31   18.5   4:59 (281, 13)  
2006-11-26  13 34.14   -5 31.6   2.094   2.740    40   18.4   5:15 (293, 21)  
2006-12-16  14 15.64   -8 46.6   2.110   2.599    50   18.3   5:30 (306, 28)  
2007- 1- 5  14 55.48  -11 21.6   2.137   2.444    60   18.2   5:38 (318, 33)  
2007- 1-25  15 32.38  -13 10.5   2.174   2.274    71   18.2   5:36 (329, 36)  
2007- 2-14  16  4.54  -14 12.0   2.219   2.095    83   18.1   5:22 (339, 38)  

4P/Faye
    Epoch = 2006 Nov.  1.0     
    T = 2006 Nov. 15.4542  
    q =  1.667350      Peri.= 205.0158  
    e =  0.566691      Node.= 199.3081      (2000.0)
                          i =   9.0316  
    m1 = 3.8 + 5 log d +  25    log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 8- 7   1 11.62   14  5.9   1.933   1.301   112   11.5   3:38 (339, 68)  
2006- 8-27   1 37.57   15 15.9   1.845   1.063   125   10.6   3:17 (  0, 70)  
2006- 9-16   1 57.04   14 40.3   1.771   0.873   140    9.7   2:18 (  0, 70)  
2006-10- 6   2  7.22   11 54.1   1.715   0.743   159    9.0   1:10 (  0, 67)  
2006-10-26   2  9.13    7 32.2   1.679   0.687   174    8.6  23:50 (  0, 63)  
2006-11-15   2 10.23    3 37.7   1.667   0.711   157    8.6  22:32 (  0, 59)  
2006-12- 5   2 19.01    2  2.7   1.679   0.807   138    9.0  21:22 (  0, 57)  
2006-12-25   2 38.31    2 53.6   1.715   0.960   123    9.6  20:23 (  0, 58)  
2007- 1-14   3  6.42    5 15.1   1.771   1.157   111   10.3  19:32 (  0, 60)  
2007- 2- 3   3 40.58    8 10.0   1.845   1.391   100   11.2  18:56 (  4, 63)  
2007- 2-23   4 18.52   10 57.5   1.933   1.655    90   12.1  19:13 ( 36, 62)  

P/1991 V1 ( Shoemaker-Levy 6 )
    Epoch = 2006 Nov.  1.000000
    T = 2006 Nov. 17.017380
    q =  1.1280837     Peri.= 333.54059 
    e =  0.7062575     Node.=  37.87628     (2000.0)
                          i =  16.92237 
    m1 = 13.5 + 5 log d +  15    log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 8- 9  17  5.36  -52 46.5   1.704   0.960   119   16.9  20:29 (  5,  2)  
2006- 8-29  17  7.40  -51  4.5   1.535   0.946   103   16.2  20:00 ( 13,  2)  
2006- 9-18  17 39.38  -48 53.5   1.380   0.924    91   15.4  19:28 ( 16,  3)  
2006-10- 8  18 36.65  -45 26.8   1.250   0.882    82   14.7  18:59 ( 15,  7)  
2006-10-28  19 51.67  -38 52.3   1.160   0.825    78   14.1  18:35 ( 14, 15)  
2006-11-17  21 13.60  -27 24.4   1.128   0.779    78   13.7  18:21 ( 13, 27)  
2006-12- 7  22 33.41  -11 34.2   1.160   0.785    81   13.9  18:18 ( 16, 42)  
2006-12-27  23 48.17    4 50.2   1.250   0.876    84   14.7  18:25 ( 28, 57)  
2007- 1-16   0 58.60   18  0.5   1.380   1.054    85   15.7  18:40 ( 53, 65)  
2007- 2- 5   2  5.59   26 59.5   1.535   1.302    83   16.9  18:57 ( 79, 65)  
2007- 2-25   3  9.24   32 32.8   1.704   1.601    78   18.0  19:15 ( 96, 60)  

76P/West-Kohoutek-Ikemura
    Epoch = 2006 Nov.  1.0     
    T = 2006 Nov. 19.6367  
    q =  1.603429      Peri.=   0.1273  
    e =  0.538469      Node.=  84.1074      (2000.0)
                          i =  30.4590  
    m1 = 5.0 + 5 log d + 45.0 log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 8-11   4 40.69   -1 38.5   1.874   1.918    72   18.7   3:42 (293, 27)  
2006- 8-31   5 23.02    0 52.3   1.785   1.679    78   17.4   4:03 (303, 39)  
2006- 9-20   6  4.60    3 37.4   1.709   1.447    86   16.3   4:21 (316, 50)  
2006-10-10   6 44.48    7 11.6   1.652   1.225    95   15.2   4:37 (334, 60)  
2006-10-30   7 21.28   12 33.2   1.616   1.022   106   14.4   4:48 (  0, 67)  
2006-11-19   7 52.64   21  2.4   1.603   0.853   120   13.9   4:01 (  0, 76)  
2006-12- 9   8 14.26   33 29.4   1.616   0.747   137   13.7   3:04 (  0, 88)  
2006-12-29   8 19.76   47 39.6   1.652   0.735   147   14.1   1:52 (180, 78)  
2007- 1-18   8  6.99   58 10.2   1.709   0.821   142   15.0   0:21 (180, 67)  
2007- 2- 7   7 51.82   62 26.0   1.785   0.981   130   16.3  22:43 (180, 63)  
2007- 2-27   7 55.46   62  7.8   1.874   1.188   118   17.6  21:28 (180, 63)  

P/1986 W1 ( Lovas 2 )
    Epoch = 2006 Dec. 11.000000
    T = 2006 Nov. 23.815160
    q =  1.4007384     Peri.=  76.27073 
    e =  0.6025172     Node.= 279.28561     (2000.0)
                          i =   1.54787 
    m1 = 11.0 + 5 log d +  15    log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 8-15  17 24.76  -22 37.2   1.772   1.043   119   14.8  20:21 (  9, 32)  
2006- 9- 4  17 40.71  -22 28.0   1.654   1.097   103   14.5  19:50 ( 17, 31)  
2006- 9-24  18 13.66  -22 14.1   1.551   1.155    91   14.2  19:19 ( 21, 30)  
2006-10-14  19  0.66  -21 19.3   1.471   1.211    82   13.9  18:51 ( 22, 30)  
2006-11- 3  19 58.07  -19  7.3   1.419   1.270    76   13.8  18:30 ( 23, 32)  
2006-11-23  21  1.58  -15 17.7   1.401   1.342    72   13.8  18:19 ( 26, 36)  
2006-12-13  22  6.94   -9 58.5   1.419   1.441    68   14.1  18:19 ( 33, 39)  
2007- 1- 2  23 10.95   -3 45.1   1.471   1.578    65   14.5  18:29 ( 44, 41)  
2007- 1-22   0 11.96    2 36.4   1.551   1.758    61   15.1  18:45 ( 58, 41)  
2007- 2-11   1  9.66    8 28.1   1.654   1.976    56   15.8  19:03 ( 72, 37)  
2007- 3- 3   2  4.29   13 27.4   1.772   2.223    50   16.5  19:20 ( 84, 32)  

P/2000 R2 ( LINEAR )
    Epoch = 2006 Dec. 11.000000
    T = 2006 Dec. 15.050060
    q =  1.4562213     Peri.= 172.23392 
    e =  0.5650841     Node.= 163.09937     (2000.0)
                          i =  10.99295 
    m1 = 17.5 + 5 log d + 15.0 log r   [ -inf ,  inf ]

    Date      R.A.      Decl.     r       d     Elong   m1   Best Time(A, h)  
2006- 9- 6  16  3.78   -9 48.9   1.786   1.702    77   22.4  19:47 ( 49, 31)  
2006- 9-26  16 42.04  -13 14.9   1.680   1.768    68   22.1  19:16 ( 48, 27)  
2006-10-16  17 30.06  -16 12.5   1.588   1.820    60   21.8  18:48 ( 47, 24)  
2006-11- 5  18 26.80  -18 10.9   1.517   1.867    54   21.6  18:28 ( 46, 22)  
2006-11-25  19 30.27  -18 40.9   1.472   1.919    48   21.4  18:18 ( 47, 21)  
2006-12-15  20 37.36  -17 25.0   1.456   1.986    44   21.4  18:20 ( 50, 20)  
2007- 1- 4  21 44.52  -14 27.8   1.472   2.077    40   21.6  18:31 ( 57, 18)  
2007- 1-24  22 49.00  -10 15.5   1.517   2.195    36   21.9  18:47 ( 65, 16)  
2007- 2-13  23 49.47   -5 25.0   1.588   2.340    31   22.4  19:04 ( 75, 12)  
2007- 3- 5   0 45.82   -0 31.3   1.680   2.504    26   22.9  19:22 ( 85,  7)  
2007- 3-25   1 38.47    3 59.1   1.786   2.680    21   23.4  19:39 ( 95,  0)  

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