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IAUC 3949: 1984f

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                                                  Circular No. 3949
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM    Telephone 617-495-7244/7440/7444


COMET SHOEMAKER (1984f)
     The following precise positions have been reported:

    1984 UT           R.A.  (1950.0)  Decl.     m1   Observer

    May  27.40625   16 36 57.84   +13 49 26.6        Shoemaker
         29.36875   16 34 40.72   +13 46 02.9          "
         31.63057   16 32 01.20   +13 41 24.3   15   Gilmore
    June  1.34804   16 31 10.47   +13 39 41.3        Kosai
          1.60633   16 30 52.10   +13 39 08.2   14     "
          1.63381   16 30 50.15   +13 39 06.1   15   Gilmore
          3.13573   16 29 03.61   +13 35 17.8   15   Schwartz

C. Shoemaker and E. Shoemaker (Palomar Mountain Observatory).
A. C. Gilmore (Mount John University Observatory).  Only three
   reference stars.  Measurer: P. M. Kilmartin.
H. Kosai (Tokyo Observatory's Kiso Station).  1.05-m Schmidt
   telescope. Comet diffuse with condensation.  J. Watanabe assisted.
G. Schwartz (Oak Ridge Observatory).  1.5-m reflector.  Comet small
   and diffuse, essentially round.  Measurer: R. E. McCrosky.

     The following orbital elements, from eight observations May
27-June 3, are a refinement of those sent to telegram subscribers:

          T = 1985 Sept. 9.822 ET  Peri. = 232.160
                                   Node  =  48.156   1950.0
          q =   2.85298 AU         Incl. = 117.736

     1984 ET     R.A. (1950.0) Decl.      p        r       m1

     May  30    16 33.94    +13 44.8    4.413    5.272    14.4
     June  4    16 28.04    +13 33.0
           9    16 22.11    +13 17.1    4.361    5.200    14.4
          14    16 16.21    +12 57.3
          19    16 10.42    +12 33.7    4.341    5.128    14.3
          24    16 04.78    +12 06.4
          29    15 59.36    +11 35.6    4.352    5.057    14.2
     July  4    15 54.20    +11 01.7
           9    15 49.36    +10 25.0    4.391    4.985    14.2
          14    15 44.85    + 9 45.7
          19    15 40.71    + 9 04.4    4.452    4.914    14.2
          24    15 36.96    + 8 21.2
          29    15 33.60    + 7 36.6    4.530    4.843    14.1


1984 June 4                    (3949)              Brian G. Marsden

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