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IAUC 6430: C/1996 N1

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                                                  Circular No. 6430
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science)
Phone 617-495-7244/7440/7444 (for emergency use only)


COMET C/1996 N1 (BREWINGTON)
     Further precise CCD positions have been reported as follows:

     1996 UT             R.A. (2000) Decl.        m1    Observer
     July  5.12750   11 36 14.93   + 4 58 14.9   14.7   Offutt
           5.13558   11 36 16.35   + 4 58 43.4   14.5     "
           5.23780   11 36 34.07   + 5 04 37.4          Balam
           5.23886   11 36 34.19   + 5 04 41.5            "
           6.07688   11 39 00.11   + 5 53 42.7          di Cicco
           6.08041   11 39 00.65   + 5 53 54.2            "
           6.24307   11 39 29.05   + 6 03 21.8          Balam
           6.24466   11 39 29.33   + 6 03 27.8            "

W. Offutt (Cloudcroft).  0.60-m f/7 Ritchey-Chretien.
D. D. Balam (Victoria).  1.82-m Plaskett telescope.
D. di Cicco (Sudbury).  0.41-m Schmidt-Cassegrain.

     Parabolic orbital elements from 23 observations July 4-6:

     T = 1996 Aug.  3.418 TT          Peri. =  44.120
                                      Node  = 235.119   2000.0
     q = 0.92309 AU                   Incl. =  51.672

1996 TT     R. A. (2000) Decl.     Delta      r    Elong. Phase      m1
July  6    11 38.78    + 5 49.3    0.828    1.051   68.6   64.2     10.3
      8    11 44.62    + 7 45.7    0.829    1.035   67.3   65.0     10.2
     10    11 50.51    + 9 41.4    0.831    1.020   66.1   65.7     10.2
     12    11 56.45    +11 36.2    0.833    1.005   65.0   66.4     10.1
     14    12 02.42    +13 29.9    0.835    0.992   63.9   67.0     10.1
     16    12 08.43    +15 22.4    0.838    0.980   62.9   67.5     10.0
     18    12 14.47    +17 13.6    0.842    0.968   62.0   67.9     10.0
     20    12 20.53    +19 03.2    0.846    0.958   61.1   68.2     10.0
     22    12 26.61    +20 51.3    0.850    0.949   60.4   68.5      9.9
     24    12 32.71    +22 37.6    0.855    0.942   59.7   68.7      9.9
     26    12 38.83    +24 22.1    0.859    0.935   59.1   68.8      9.9
     28    12 44.97    +26 04.7    0.864    0.930   58.7   68.8      9.9
     30    12 51.12    +27 45.3    0.870    0.926   58.3   68.8      9.9
Aug.  1    12 57.29    +29 23.8    0.875    0.924   58.0   68.6      9.9
      3    13 03.49    +31 00.1    0.880    0.923   57.8   68.4      9.9
      5    13 09.72    +32 34.2    0.886    0.924   57.7   68.2      9.9

                      (C) Copyright 1996 CBAT
1996 July 6                    (6430)              Brian G. Marsden

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