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IAUC 2958: 1976c; 1976g; 1975k; 1975q

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                                                  Circular No. 2958
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Cable Address: SATELLITES, NEWYORK
Western Union: RAPID SATELLITE CAMBMASS


COMET SCHUSTER (1976c)
     A. C. Gilmore provides the following precise positions, obtained
with the 41-cm f/13.5 Cassegrain reflector at the Carter Observatory.
Measurer: P. M. Kilmartin.

     1976 UT             R. A. (1950) Decl.         m2
     Apr.  2.42847    10 22 32.72   -41 44 24.6
          25.35766    10 04 55.23   -39 56 42.0    17.5
     May   2.30835    10 01 00.78   -39 20 44.2    17.4
           2.35206    10 00 59.35   -39 20 31.0

     The following parabolic elements, by B. G. Marsden, satisfy 32
observations Feb. 25 to May 2 within 2".5:

       T = 1975 Jan. 15.4925 ET  Peri. = 193.4371
                                 Node  =  22.0827   1950.0
       q = 6.882188 AU           Incl. = 112.0176

     1976/77 ET  R. A. (1950) Decl.     Delta     r      m2
     July  1     9 51.74    -35 38.9    7.912   7.702   17.9
          11     9 53.27    -35 28.6
          21     9 55.31    -35 27.3    8.180   7.760   18.0
          31     9 57.73    -35 34.8
     Aug. 10    10 00.40    -35 51.1    8.394   7.819   18.1
          20    10 03.21    -36 15.8
          30    10 06.04    -36 48.5    8.542   7.880   18.1
     Sept. 9    10 08.76    -37 28.9
          19    10 11.25    -38 16.3    8.616   7.942   18.2
          29    10 13.40    -39 10.3
     Oct.  9    10 15.07    -40 10.0    8.616   8.006   18.2
          19    10 16.13    -41 14.8
          29    10 16.42    -42 23.5    8.549   8.071   18.2
     Nov.  8    10 15.79    -43 35.0
          18    10 14.11    -44 47.9    8.433   8.138   18.2
          28    10 11.21    -46 00.4
     Dec.  8    10 06.99    -47 10.4    8.290   8.205   18.2
          18    10 01.37    -48 15.6
          28     9 54.32    -49 13.5    8.147   8.274   18.2
     Jan.  7     9 45.92    -50 01.5
          17     9 36.37    -50 37.2    8.035   8.344   18.2
          27     9 25.94    -50 58.6
     Feb.  6     9 15.06    -51 04.4    7.979   8.415   18.3

              m2 = 4.5 + 5 log Delta + 10 log r


COMET HARLAN (1976g)
     The following precise positions have been reported:

     1976 UT             R. A. (1950) Decl.        m1    Observer
     May  17.18646    13 13 30.16   +42 49 52.0          Giclas
          17.20312    13 13 29.14   +42 49 40.9            "
          17.49167    13 13 14.59   +42 46 18.8   14     Seki
          17.50556    13 13 13.70   +42 46 07.2            "

H. L. Giclas (Lowell Observatory).  Measurer: M. L. Kantz.
T. Seki (Kochi Observatory, Geisei Station).


COMET SUZUKI-SAIGUSA-MORI (1975k)
     Further precise positions have been reported as follows:

     1975 UT             R. A. (1950) Decl.        Observer
     Nov.  6.48715    19 45 33.22   -55 06 00.4    Jekabsons
           6.49340    19 45 42.58   -55 06 06.3      "
           7.51493    20 09 04.85   -55 10 08.0    Gans
           7.52535    20 09 17.16   -55 10 04.8      "
          10.53264    20 52 13.49   -54 33 14.7    Candy
          10.54931    20 52 23.42   -54 32 57.8      "
          13.52847    21 15 30.75   -53 48 15.0    Jekabsons
          13.55069    21 15 38.56   -53 47 55.3      "
          27.54583    21 56 53.43   -51 41 19.4      "
          28.11749    21 57 48.44   -51 37 48.9    Barros
     Dec.  6.14063    22 08 44.15   -50 57 15.1    Torres
          10.58472    22 13 58.09   -50 38 37.9    Jekabsons
          28.58194    22 33 44.22   -49 39 48.8    Candy

Jekabsons, D. Gans and M. P. Candy (Perth Observatory, Bickley).
Barros and C. Torres (University of Chile, Cerro El Roble Station).
   Narrow tail 5' long to east-northeast on Nov. 28.


COMET SATO (1975q)
     Further precise positions from the Perth Observatory:

     1975/76 UT          R. A. (1950) Decl.        Observer
     Dec. 28.52639   15 36 29.22    -83 59 33.8    M. P. Candy
          28.53056   15 36 48.39    -84 00 03.3      "
     Jan.  8.52569   23 05 42.96    -72 09 46.4    P. Jekabsons
           8.53125   23 05 43.80    -72 09 25.0      "
     Feb.  2.52778   23 22 08.70    -58 04 04.5    C. Jekabsons
           4.52778   23 22 20.90    -57 28 10.0    M. P. Candy
           4.54931   23 22 21.18    -57 27 49.6      "


1976 June 7                    (2958)              Brian G. Marsden

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