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IAUC 5514: 1992i; 1991g1

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                                                  Circular No. 5514
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 BRADFIELD (1992i)
     William A. Bradfield reports his discovery of a comet, his
sixteenth.  The following positions are available:

     1992 UT             R.A. (2000) Decl.        m1    Observer
     May   3.8066     0 23.1       -15 31         10    Bradfield
           4.73961    0 29 37.05   -15 41 30.5          Gilmore
           4.75569    0 29 44.05   -15 41 31.8            "
           4.75703    0 29 44.65   -15 41 32.7            "
           4.79144    0 29 59.86   -15 41 37.7          McNaught
           4.79896    0 30 03.03   -15 41 37.7            "

W. A. Bradfield (Dernancourt, near Adelaide, S. Australia).  Object
  diffuse without central condensation.
A. C. Gilmore and P. M. Kilmartin (Mt. John University Observatory).
  Round coma of diameter about 3'; comet moderately condensed
  with a bright central condensation; no hint of tail.
R. H. McNaught and D. I. Steel (Siding Spring).  Uppsala Southern
  Schmidt films.  1' coma; 3' tail toward the southwest.


COMET ZANOTTA-BREWINGTON (1991g1)
     Ephemeris from orbital elements on MPC 19818:

1992 TT     R. A. (2000) Decl.     Delta      r    Elong. Phase      m1
May   8     9 39.55    -58 19.0    1.292    1.887  109.5   30.3     13.3
     13    10 00.19    -56 00.9    1.359    1.959  110.7   28.9     13.6
     18    10 18.33    -53 46.2    1.431    2.029  111.2   27.7     13.9
     23    10 34.46    -51 37.3    1.509    2.100  111.2   26.7     14.1
     28    10 48.98    -49 35.9    1.593    2.169  110.7   25.9     14.4
June  2    11 02.22    -47 43.1    1.683    2.238  109.7   25.3     14.6
      7    11 14.41    -45 59.5    1.777    2.306  108.3   24.7     14.9
     12    11 25.74    -44 25.2    1.876    2.374  106.5   24.2     15.1
     17    11 36.36    -42 59.9    1.980    2.441  104.5   23.8     15.4
     22    11 46.38    -41 43.3    2.087    2.508  102.2   23.3     15.6
     27    11 55.92    -40 35.0    2.198    2.574   99.8   22.9     15.8
July  2    12 05.05    -39 34.3    2.312    2.639   97.2   22.5     16.0
      7    12 13.82    -38 40.9    2.429    2.704   94.4   22.0     16.2


1992 May 4                     (5514)            Daniel W. E. Green

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