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IAUC 5679: 1992a1

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                                                  Circular No. 5679
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Telephone 617-495-7244/7440/7444 (for emergency use only)
TWX 710-320-6842 ASTROGRAM CAM     EASYLINK 62794505
MARSDEN@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)


COMET OHSHITA (1992a1)
     The following precise positions have been reported:

     1992 UT             R.A. (2000) Decl.        m1    Observer
     Nov. 21.82049   13 01 47.7    - 9 00 21     12     Horiguchi
          21.82616   13 01 48.6    - 9 00 00              "
     Dec.  5.80748   13 23 16.35   + 8 40 34.5          Kobayashi
           5.81903   13 23 17.79   + 8 41 36.0            "
           8.84917   13 29 45.24   +13 28 17.3   13.2   Ito
           8.85598   13 29 46.16   +13 28 55.1            "
          11.78808   13 36 46.23   +18 27 34.9          Ikari
          19.51416   13 59 39.33   +33 00 16.3          Rogers
          19.52832   13 59 42.19   +33 01 56.2            "
          21.38025   14 06 24.64   +36 43 11.3          McCrosky
          21.45208   14 06 40.76   +36 51 50.4            "

S. Horiguchi (Chuchibu).  0.10-m f/4 refractor.  Measured by
   T. Kojima.  Prediscovery observations.
T. Kobayashi (Oizumi).  0.16-m f/6.3 reflector + CCD.
K. Ito (Sengamine).  0.20-m f/4.8 reflector + CCD.
Y. Ikari (Kiryuu Observatory, Ohtsu).  0.26-m f/2.9 reflector.
J. E. Rogers (Camarillo).  0.25-m Schmidt-Cassegrain + CCD.
R. E. McCrosky and C.-Y. Shao (Oak Ridge).  1.5-m reflector + CCD.

     Elliptical orbital elements by B. G. Marsden from 15
observations Nov. 21-Dec. 21:

     T = 1992 Nov.  1.562 TT          Peri. = 309.979
     e = 0.99054                      Node  = 138.352   2000.0
     q = 0.66357 AU                   Incl. = 115.114

1992/93     R. A. (2000) Decl.   Delta     r    Elong. Phase    m1
Dec. 20    14 01.35   +33 58.0   0.822   1.162   79.6   56.4   12.2
     22    14 08.78   +37 57.6   0.818   1.192   82.2   54.9   12.3
     24    14 16.95   +41 57.8   0.818   1.221   84.8   53.3   12.4
     26    14 25.98   +45 56.1   0.822   1.251   87.2   51.8   12.5
     28    14 36.03   +49 49.5   0.830   1.280   89.4   50.2   12.7
     30    14 47.28   +53 35.5   0.842   1.310   91.4   48.6   12.8
Jan.  1    14 59.97   +57 11.6   0.858   1.340   93.1   47.1   12.9


1992 December 21               (5679)            Daniel W. E. Green

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