Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

IAUC 3555: 1980s; 1980t

The following International Astronomical Union Circular may be linked-to from your own Web pages, but must not otherwise be redistributed (see these notes on the conditions under which circulars are made available on our WWW site).


Read IAUC 3554  SEARCH Read IAUC 3556
IAUC number


                                                  Circular No. 3555
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 617-864-5758


COMET LOVAS (1980s)
     Y. Kozai, Tokyo Astronomical Observatory, telexes the following
precise position, obtained by T. Seki at Geisei:

     1980 UT             R. A. (1950) Decl.        m1
     Dec.  9.76875     9 12 47.90   +33 40 04.2    17


COMET BRADFIELD (1980t)
     D. Herald, Kambah, near Canberra, provides the following precise
positions.  The comet shows a tail up to 0o.5 long.  Measurements
were difficult at the low altitude.

     1981 UT             R. A. (1950) Decl.         m1
     Dec. 18.71840    16 23 22.08   -35 57 35.3    5.5
          18.71917    16 23 22.19   -35 57 34.7
          19.72229    16 27 34.80   -35 36 42.5
          19.72778    16 27 36.23   -35 36 35.6
          20.72205    16 32 23.51   -35 11 25.4

     Orbital elements by the undersigned:

       T = 1980 Dec. 29.548 ET   Peri. = 358.345
                                 Node  = 114.672   1950.0
       q = 0.25963 AU            Incl. = 138.595

     1980/81 ET  R. A. (1950) Decl.     Delta     r     Elong.  m1
     Dec. 23    16 46.39    -33 50.4    0.970   0.338    19.9   4.2
          25    17 03.51    -31 59.0
          27    17 26.71    -29 10.3    0.810   0.273    13.6   2.9
          29    17 56.35    -25 08.5
          31    18 30.07    -20 03.0    0.725   0.264     3.8   2.5
     Jan.  2    19 03.24    -14 40.3
           4    19 32.16    - 9 52.9    0.770   0.316    15.4   3.4
           6    19 55.68    - 6 04.2
           8    20 14.39    - 3 11.8    0.895   0.400    24.0   4.8
          10    20 29.30    - 1 03.6
          12    20 41.36    + 0 32.4    1.045   0.494    28.0   6.0
          14    20 51.32    + 1 45.5
          16    20 59.68    + 2 42.2    1.196   0.589    29.4   7.1


1980 December 22               (3555)              Brian G. Marsden

Read IAUC 3554  SEARCH Read IAUC 3556


Our Web policy. Index to the CBAT/MPC/ICQ pages.


Valid HTML 4.01!