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IAUC 4548: 1988b; NSV 6708

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IAUC number 

                                                  Circular No. 4548
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 (1988b)
     The following positions have been reported:

   1988 UT             R. A.  (1950)  Decl.       m1     Observer
   Feb. 11.31545    10 08 14.58   +34 38 21.8    17.0    Helin
        11.33924    10 08 13.11   +34 38 18.7              "
        13.62300    10 05 45.56   +34 32 53.8    16.5    Seki
        15.29437    10 03 56.85   +34 28 37.4            Shao
        15.61006    10 03 36.7    +34 27 47      16.5    Hayakawa
        15.70348    10 03 28.61   +34 27 27.4    17      Seki

E. Helin, J. Alu, D. Schneeberger, B. Roman, and S. Wang (Palomar).
   0.46-m Schmidt telescope.
T. Seki (Geisei).  0.60-m reflector.
C.-Y. Shao (Oak Ridge Observatory).  1.55-m reflector.
S. Hayakawa (YGCO Nagano station).  0.25-m reflector.  Communicated
   by T. Kobayashi.

     The following parabolic orbital elements are from 7
observations, 1988 Jan. 23-Feb. 15:

        T = 1987 Mar. 20.75 ET      Peri. = 124.33
                                    Node  = 324.48   1950.0
        q =   5.0335 AU             i     =  80.54

     1987/88 ET  R. A. (1950) Decl.     Delta      r       m1
     Dec. 11    10 56.55    +34 59.9    5.085    5.424    16.4
          21    10 52.75    +34 58.7
          31    10 47.23    +35 00.8    4.862    5.482    16.3
     Jan. 10    10 40.03    +35 03.4
          20    10 31.31    +35 03.5    4.714    5.543    16.3
          30    10 21.41    +34 57.6
     Feb.  9    10 10.77    +34 43.1    4.680    5.607    16.3
          19     9 59.96    +34 18.0
          29     9 49.54    +33 41.8    4.783    5.674    16.4
     Mar. 10     9 40.02    +32 55.2
          20     9 31.78    +31 59.6    5.013    5.744    16.6


NSV 6708
     V. F. de Assis Neto, Sao Francisco de Oliveria, Brazil, telexes
that this object is bright again (cf. IAUC 4429), at visual
magnitude 7.0 on Feb. 13.13 UT.


1988 February 17               (4548)            Daniel W. E. Green

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