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IAUC 5599: 1992p

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                                                  Circular No. 5599
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 BREWINGTON (1992p)
     Further precise positions have been reported as follows:

     1992 UT             R.A. (2000) Decl.        m1    Observer
     Aug. 31.36906    7 21 36.98   +36 47 20.4          McCrosky
          31.37354    7 21 37.74   +36 47 19.9            "
          31.76088    7 22 41.21   +36 46 26.9   14     Kojima
          31.77309    7 22 43.48   +36 46 24.4   13.5   Seki
          31.77691    7 22 44.26   +36 46 23.0            "
          31.78698    7 22 45.77   +36 46 21.1   13.5     "
          31.79120    7 22 46.23   +36 46 19.5   14     Otomo
          31.79167    7 22 46.13   +36 46 21.7          Kojima

R. E. McCrosky and C.-Y. Shao (Oak Ridge).  1.5-m reflector + CCD.
T. Kojima (YGCO Chiyoda Station).  0.25-m f/3.4 Wright-Schmidt.
T. Seki (Geisei).  0.6-m reflector.  Communicated by S. Nakano.
S. Otomo (Otomo).  0.25-m f/3.4 reflector.  Communicated by Nakano.

     The following parabolic orbital elements, determined by the
undersigned from 11 observations Aug. 28-31, are somewhat uncertain:

     T = 1992 June 20.969 TT          Peri. =  54.040
                                      Node  = 346.222   2000.0
     q = 1.70383 AU                   Incl. =  17.935

1992 TT     R. A. (2000) Decl.     Delta      r    Elong. Phase      m1
Aug. 26     7 06.61    +36 57.6    2.377    1.909   50.9   24.3     11.2
     31     7 20.60    +36 48.2    2.374    1.939   52.8   24.5     11.3
Sept. 5     7 34.00    +36 35.3    2.370    1.970   54.8   24.7     11.3
     10     7 46.78    +36 19.5    2.365    2.002   56.9   24.9     11.4
     15     7 58.93    +36 01.6    2.359    2.036   59.2   25.1     11.5
     20     8 10.44    +35 42.0    2.352    2.071   61.5   25.2     11.5
     25     8 21.28    +35 21.5    2.344    2.107   64.0   25.3     11.6
     30     8 31.46    +35 00.6    2.334    2.145   66.7   25.4     11.7
Oct.  5     8 40.96    +34 39.8    2.323    2.183   69.4   25.4     11.7

     Total visual magnitude estimates: Aug. 30.50 UT, 11.5: (C. S.
Morris, Pine Mountain Club, CA, 0.26-m reflector); 31.48, 11.5: (A.
Hale, Alamogordo, NM, 0.41-m reflector).


1992 September 1               (5599)              Brian G. Marsden

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