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IAUC 4105: 1985k

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                                                  Circular No. 4105
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 MAURY (1985k)
     The following precise positions have been reported:

  1985 UT           R.A.  (1950.0)   Decl.    m1   Observer

  Aug. 16.30486   21 50 06.03   - 1 31 06.4   16   Schombert
       17.28264   21 49 41.59   - 1 39 38.4   16     "
       17.34514   21 49 40.01   - 1 40 07.8          "
       20.39722   21 48 23.59   - 2 07 37.5   15   Singer-Brewster
       20.42257   21 48 22.68   - 2 07 53.9          "
       23.30278   21 47 12.91   - 2 34 46.1   16   Windhorst
       23.35486   21 47 11.63   - 2 35 12.2          "

J. Schombert and R. Windhorst (Palomar).  1.2-m Schmidt telescope.
   Measurer: C. Kowal.
S. Singer-Brewster, D. Schneeberger and M. Gallup (Palomar).  0.46-
   m Schmidt telescope.  Measurer: Singer-Brewster.  Communicated
   by E. Helin.  Object diffuse with very little condensation.

     Orbital elements, determined by the undersigned from the
above observations, indicate that the comet is a short-period one:

           T = 1985 June 13.14 ET
       Peri. = 116.43                    e =   0.5166
       Node  = 182.90   1950.0           a =   4.1837 AU
       Incl. =   9.44                    n =   0.11518
           q =   2.0223 AU               P =   8.56 years

     1985 ET     R.A. (1950.0) Decl.      p        r       m1

     Aug. 13    21 51.47    - 1 03.4    1.094    2.090    15.9
          18    21 49.39    - 1 45.9
          23    21 47.34    - 2 31.8    1.110    2.113    16.0
          28    21 45.44    - 3 19.7
     Sept. 2    21 43.82    - 4 08.2    1.149    2.139    16.1
           7    21 42.58    - 4 56.0
          12    21 41.80    - 5 42.0    1.210    2.168    16.3
          17    21 41.56    - 6 25.2
          22    21 41.91    - 7 04.6    1.292    2.199    16.5
          27    21 42.86    - 7 39.7
     Oct.  2    21 44.42    - 8 10.1    1.394    2.233    16.7
           7    21 46.57    - 8 35.6
          12    21 49.29    - 8 56.1    1.512    2.269    17.0


1985 September 9               (4105)              Brian G. Marsden

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