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IAUC 5668: 1992a1

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                                                  Circular No. 5668
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Telephone 617-495-7244/7440/7444 (for emergency use only)
TWX 710-320-6842 ASTROGRAM CAM     EASYLINK 62794505
MARSDEN@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)


COMET OHSHITA (1992a1)
     H. Kosai, National Astronomical Observatory, Tokyo, reports
the visual discovery of a comet by Nobuo Ohshita.  The following
observations have been reported:

     1992 UT             R.A. (2000) Decl.        m1    Observer
     Nov. 24.8458    13 05.3       - 5 46        11     Ohshita
          28.84063   13 10 58.9    - 0 56 50     11       "
          29.82986   13 12 32.0    + 0 18 44     11       "
          30.8104    13 14 10      + 1 36                 "
     Dec.  3.803     13 19 20      + 5 43        11     Kushida
           3.83194   13 19 26.66   + 5 45 40.3   11.4   Seki
           3.834     13 19 25      + 5 47        11     Kushida
           3.85313   13 19 29.13   + 5 47 30.7          Seki
           3.85885   13 19 29.60   + 5 48 00.0            "

N. Ohshita (Furukawa-machi, Gifu).  25x150 binoculars on Nov. 24.
   T-Max film on Nov. 28-30 (with telephoto lenses), measured by G.
   Sasaki.
Y. Kushida (Yatsugatake South Base Observatory).  0.10-m f/4 lens.
T. Seki (Geisei).  0.60-m f/3.5 reflector.  Visual m1 estimate.

     Very preliminary parabolic orbital elements from 5
observations, Nov. 28-Dec. 3:

     T = 1992 Nov.  1.63 TT           Peri. = 310.03
                                      Node  = 138.42    2000.0
     q = 0.6639 AU                    Incl. = 114.72

1992 TT     R. A. (2000) Decl.   Delta     r    Elong. Phase    m1
Dec.  4    13 19.75   + 6 00.2   0.972   0.936   57.1   62.2   11.7
      6    13 23.65   + 8 57.9   0.945   0.963   59.8   62.1   11.7
      8    13 27.84   +12 05.0   0.921   0.991   62.6   61.9   11.8
     10    13 32.36   +15 21.7   0.898   1.020   65.4   61.4   11.9
     12    13 37.23   +18 47.8   0.878   1.048   68.2   60.7   11.9
     14    13 42.48   +22 22.7   0.861   1.077   71.1   59.8   12.0
     16    13 48.16   +26 05.6   0.847   1.106   73.9   58.7   12.1
     18    13 54.32   +29 55.3   0.836   1.136   76.8   57.5   12.2
     20    14 01.02   +33 50.0   0.828   1.165   79.5   56.1   12.3
     22    14 08.33   +37 47.6   0.824   1.195   82.2   54.7   12.4
     24    14 16.36   +41 45.9   0.825   1.225   84.8   53.1   12.5


1992 December 4                (5668)            Daniel W. E. Green

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