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IAUC 4312: 1987g; 1986h

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                                                  Circular No. 4312
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


PERIODIC COMET TEMPEL 2 (1987g)
     T. Gehrels and J. V. Scotti, University of Arizona, report
their recovery of this comet with the 0.91-m SPACEWATCH telescope
at Kitt Peak as shown below.  The positions are in agreement with
the orbit by D. K. Yeomans published on MPC 11522.

       1986/87 UT          R.A.  (1950)   Decl.        m1
       Dec. 29.45763    11 19 58.71    +12 52 58.7    20.4
            29.48053    11 19 58.78    +12 53 02.7
            29.48994    11 19 58.82    +12 53 03.7
       Jan. 25.37653    11 15 54.96    +14 43 13.2
            25.39545    11 15 54.55    +14 43 18.8
            25.41375    11 15 54.10    +14 43 25.1    20.0
            25.41836    11 15 54.00    +14 43 27.0
            25.42293    11 15 53.91    +14 43 28.5

     1987 ET      R.A. (1950) Decl.     Delta      r       m1
     Jan. 25    11 16.06    +14 41.2    3.398    4.191    20.2
     Feb.  4    11 11.53    +15 38.8
          14    11 05.55    +16 41.4    3.189    4.133    19.9
          24    10 58.45    +17 44.9
     Mar.  6    10 50.72    +18 44.8    3.100    4.073    19.7
          16    10 42.96    +19 36.9
          26    10 35.76    +20 18.0    3.134    4.008    19.6
     Apr.  5    10 29.66    +20 46.2
          15    10 25.06    +21 01.1    3.271    3.941    19.5
          25    10 22.17    +21 03.2
     May   5    10 21.10    +20 53.7    3.472    3.869    19.4
          15    10 21.80    +20 33.8
          25    10 24.16    +20 05.1    3.698    3.795    19.3
     June  4    10 28.06    +19 28.6
          14    10 33.31    +18 45.3    3.915    3.716    19.2
          24    10 39.75    +17 56.3
     July  4    10 47.25    +17 02.1    4.101    3.634    19.1
          14    10 55.65    +16 03.4
          24    11 04.83    +15 00.7    4.237    3.549    18.9


PERIODIC COMET SCHWASSMANN-WACHMANN 2 (1986h)
     Total visual magnitude estimates by Merlin (0.40-m reflector):
1986 Dec. 3.81 UT, 14.5; 1987 Jan. 31.84, 12.1.


1987 February 5                (4312)            Daniel W. E. Green

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