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IAUC 3131: Poss. COMET; OBJECT HELIN-SHOEMAKER; 1977e; N Sge 1977

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IAUC number 

                                                  Circular No. 3131
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


POSSIBLE COMET
     In a message from the New China News Agency, relayed by British
Information Services in Okinawa, the Purple Mountain Observatory
(Tsuchinshan), Nanking, reports the discovery of a diffuse
fast-moving object as follows:

     1977 UT          R. A. (1950) Decl.    Mag.
     Nov.  3.56667    1 24.0     + 2 47     13.5
           4.55347    1 21.7     + 2 37


OBJECT HELIN-SHOEMAKER
     E. Helin and E. Shoemaker, California Institute of Technology,
report the discovery of a fast-moving asteroidal object as follows:

     1977 UT          R. A. (1950) Decl.    Mag.
     Nov.  7.268      2 21       +14.3    14.5-15

The daily motion is approximately 0o.5 from west to east.


COMET HELIN (1977e)
     Further precise positions have been reported as follows:

     1977 UT             R. A. (1950) Decl.        Observer
     Apr. 18.24607    12 31 55.51   - 7 55 33.8    Shao
          21.22166    12 19 33.5    -10 02 41      Torres
          22.56536    12 13 46.10   -11 02 26.8    Verveer
          29.53828    11 42 11.90   -16 25 52.5      "

C.-Y. Shao (Harvard College Observatory).  Measurer: J. H. Bulger.
C. Torres (University of Chile, Cerro El Roble Station).  Measurer:
   I. Matus.  Out-of-focus image; 20" tail to the west.
A. Verveer (Perth Observatory, Bickley).  33-cm astrograph.


NOVA SAGITTAE 1977
     Further visual magnitude estimates: Aug. 16.15 UT, 12.0 (S.
O'Meara, Harvard Observatory); 26.18, 11.9(O'Meara); Sept. 7.14,
12.1 (J. Bortle, Brooks Observatory); 28.84, 11.8 (G. Hurst,
Northampton, England); Oct. 22.1, 12.2 (Bortle); 31.1, 12.3 (Bortle).


1977 November 8                (3131)              Brian G. Marsden

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