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IAUC 5493: 1992f; N Pup 1991

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                                                  Circular No. 5493
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams, MS 18
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 SHOEMAKER-LEVY (1992f)
     A new comet has been discovered by C. S. Shoemaker, E. M.
Shoemaker and D. H. Levy with the 0.46-m Schmidt telescope at
Palomar.  There is possibly a very faint tail in p.a. 270 deg.
E. Bowell, Lowell Observatory, communicates the following
measurements of the Palomar films by C. M. Olmstead:

     1992 UT             R.A. (2000) Decl.        m1
     Apr.  5.48923   15 13 08.10   -17 05 41.0
           7.43263   15 12 35.93   -16 58 32.3   17.0
           7.46979   15 12 35.17   -16 58 23.3
           8.35277   15 12 19.06   -16 54 59.4
           8.36024   15 12 18.91   -16 54 57.2

     The following parabolic orbital elements are by the
undersigned.  It is quite likely that the comet is a short-period one.

     T = 1992 Oct. 28.016 TT          Peri. =  97.197
                                      Node  = 215.879   2000.0
     q = 1.43542 AU                   Incl. =   8.399

1992 TT     R. A. (2000) Decl.     Delta      r    Elong. Phase      m1
Mar. 29    15 14.45    -17 28.9    2.307    3.119  137.8   12.4     17.3
Apr.  3    15 13.71    -17 14.1    2.211    3.069  142.9   11.3     17.1
      8    15 12.43    -16 56.3    2.120    3.018  148.2   10.1     16.9
     13    15 10.62    -16 35.4    2.035    2.967  153.6    8.6     16.8
     18    15 08.29    -16 11.4    1.956    2.917  159.1    7.0     16.6
     23    15 05.48    -15 44.4    1.884    2.866  164.7    5.3     16.4
     28    15 02.23    -15 14.6    1.817    2.815  170.4    3.4     16.3
May   3    14 58.61    -14 42.2    1.758    2.764  175.8    1.5     16.1
      8    14 54.70    -14 07.7    1.705    2.714  176.6    1.3     16.0


NOVA PUPPIS 1991
      Photometric observations by A. C. Gilmore with the 0.6-m Boller
and Chivens reflector at the Mount John University Observatory: Apr.
5.41 UT, V = 11.08 +/- 0.01, B-V = +0.19 +/- 0.01, U-B = -0.63 +/-
0.01, V-R = +1.51 +/- 0.02, V-I = +1.39 +/- 0.04.


1992 April 9                   (5493)              Brian G. Marsden

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