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IAUC 3160: 1977o; 1977l

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                                                  Circular No. 3160
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     Telex: 921428
Telephone: (617) 864-5758


PERIODIC COMET SCHUSTER (1977o)
     Further precise positions have been reported as follows:

     1977 UT             R. A. (1950) Decl.        Observer
     Sept.11.12835     0 03 37.57   -39 14 46.8    Schuster
     Nov. 14.10593    23 26 01.76   -24 24 55.1    Torres
          15.20315    23 26 36.94   -23 55 31.9      "
          16.12398    23 27 08.66   -23 30 49.2      "
          17.13160    23 27 45.55   -23 03 32.3      "
     Dec.  4.52083    23 43 32.44   -14 53 51.9    Candy

H.-E. Schuster (European Southern Observatory).  Measurer: L. D.
   Schmadel.  Slight changes in the times of earlier observations
   (cf. IAUC 3123, 3124, 3128) are indicated, namely, to Sept.
   6.13542, 6.23549, 7.13858, 7.28470 and Oct. 9.16424 UT.
C. Torres (University of Chile, Cerro El Roble Station).  Measurer:
   M. Wishnjewsky.  Faint fanshaped tail 15" long to northeast.
M. P. Candy (Perth Observatory, Bickley).  33-cm astrograph.


PERIODIC COMET CHERNYKH (1977l)
     Further precise positions have been reported as follows:

     1977 UT             R. A. (1950) Decl.        m1    Observer
     Oct. 31.57431    23 53 56.15   - 8 02 03.2          Candy
     Nov. 30.38889     0 00 29.62   - 6 52 01.3   14     Urata
          30.39444     0 00 29.72   - 6 52 01.5            "
     Dec.  4.54514     0 02 56.76   - 6 30 45.9          Candy
           4.76991     0 03 05.58   - 6 29 38.7   13.5   Mrkos
           4.78071     0 03 06.02   - 6 29 35.0            "
           7.75302     0 05 05.30   - 6 12 51.2   13.7   Vavrova
           7.76413     0 05 05.67   - 6 12 48.1            "

M. P. Candy (Perth Observatory, Bickley).  33-cm astrograph.
T. Urata (JCPM Yakiimo Station). From Nihondaira Obs. Circ. No. 926.
A. Mrkos and Z. Vavrova (Klet Observatory).

     The following total visual magnitudes were obtained by J.
Bortle, Brooks Observatory, with a 32-cm reflector: 1977 Nov. 3.00
UT, 12.6; 12.00, 13.0; Dec. 3.10, 13.0; 7.98, 13.0.


1978 January 6                 (3160)              Brian G. Marsden

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