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IAUC 3880: 1983t

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                                                  Circular No. 3880
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 617-864-5758


PERIODIC COMET KOWAL-VAVROVA (1983t)
     A. Mrkos, Klet Observatory, writes that the May 14 images of
this object (cf. IAUC 3871) are round, diffuse, and larger than
those of minor planets, but that there was no condensation or
tail.  He has also identified the comet on a plate obtained at
Klet on May 31, when the appearance was similar:

      1983 UT              R.A.  (1950.0)   Decl.       m1

      May  31.87898     15 22 53.50     -14 18 48.1     16
           31.89039     15 22 53.30     -14 18 44.3

     These new observations confirm that the comet is a short-
period one.  Further observations are urgently desired.

          T = 1983 Apr. 2.699 ET
      Peri. =  19.616                    e =   0.58767
      Node  = 201.771   1950.0           a =   6.31426 AU
      Incl. =   4.303                    n =   0.062118
          q =   2.60353 AU               P =  15.87 years

     1983 ET     R.A. (1950.0) Decl.      p        r       m1

     May   6    15 35.12    -15 46.5    1.621    2.618    16.2
          16    15 30.24    -15 09.1
          26    15 25.39    -14 35.3    1.640    2.640    16.3
     June  5    15 21.40    -14 08.9
          15    15 18.91    -13 52.5    1.756    2.671    16.5
          25    15 18.36    -13 47.5
     July  5    15 19.91    -13 53.6    1.953    2.712    16.8
          15    15 23.55    -14 10.0
          25    15 29.19    -14 34.8    2.208    2.761    17.1
     Aug.  4    15 36.62    -15 06.1
          14    15 45.65    -15 41.8    2.500    2.817    17.5
          24    15 56.09    -16 20.0
     Sept. 3    16 07.72    -16 58.9    2.811    2.881    17.8
          13    16 20.40    -17 36.8
          23    16 33.95    -18 12.4    3.127    2.951    18.2
     Oct.  3    16 48.23    -18 44.4
          13    17 03.11    -19 11.9    3.434    3.026    18.5
          23    17 18.47    -19 33.9
     Nov.  2    17 34.18    -19 50.0    3.720    3.106    18.8
          12    17 50.14    -19 59.6
          22    18 06.24    -20 02.5    3.973    3.190    19.0


1983 October 25                (3880)              Brian G. Marsden

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