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IAUC 5513: 1992h

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                                                  Circular No. 5513
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 SPACEWATCH (1992h)
     Further precise positions:

     1992 UT             R.A. (2000) Decl.        m1    Observer
     May   3.24018   13 10 33.63   - 8 09 23.5   18.3   Scotti
           3.24886   13 10 33.17   - 8 09 18.3   18.2     "
           3.25718   13 10 32.75   - 8 09 12.4   18.5     "
           3.53437   13 10 18.63   - 8 06 18.6   19     Seki
           3.58194   13 10 16.34   - 8 05 48.5            "
           4.34389   13 09 37.35   - 7 57 47.3   18.3   Scotti
           4.35227   13 09 36.93   - 7 57 42.4   18.5     "
           4.36174   13 09 36.42   - 7 57 37.0   18.9     "

J. V. Scotti (Kitt Peak).  Spacewatch telescope.  On May 3, coma
  diameter 16", with a faint tail extending 17" in p.a. 146 deg.
T. Seki (Geisei).  Coma diameter 10".  Communicated by S. Nakano.

     Preliminary parabolic orbital elements by B. G. Marsden,
Center for Astrophysics, from 13 observations May 1-4:

     T = 1993 Sept. 7.648 TT          Peri. =  80.639
                                      Node  = 203.265   2000.0
     q = 3.15511 AU                   Incl. = 125.125

1992 TT     R. A. (2000) Decl.     Delta      r    Elong. Phase      m1
Apr. 28    13 15.11    - 9 04.7    4.545    5.514  162.7    3.1     18.7
May   3    13 10.77    - 8 11.9    4.541    5.480  156.5    4.2     18.7
      8    13 06.58    - 7 19.7    4.546    5.446  150.4    5.3     18.6
     13    13 02.60    - 6 28.6    4.560    5.413  144.3    6.3     18.6
     18    12 58.86    - 5 38.9    4.581    5.379  138.3    7.2     18.6
     23    12 55.38    - 4 51.2    4.610    5.345  132.4    8.0     18.6
     28    12 52.20    - 4 05.6    4.645    5.311  126.6    8.8     18.6
June  2    12 49.34    - 3 22.4    4.686    5.278  120.8    9.5     18.6
      7    12 46.80    - 2 41.8    4.731    5.244  115.2   10.1     18.6
     12    12 44.60    - 2 03.8    4.781    5.211  109.7   10.6     18.6
     17    12 42.74    - 1 28.6    4.833    5.177  104.2   11.0     18.6


1992 May 4                     (5513)            Daniel W. E. Green

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