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IAUC 3956: 1984h; 1983w; Corrs

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IAUC number 

                                                  Circular No. 3956
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 617-495-7244/7440/7444


PERIODIC COMET FAYE (1984h)
     The recovery of this comet has been reported independently by
two observers, with only approximate positions available:

     1984 UT           R.A. (1950.0) Decl.    m1      Observer

     June 10.47975    2 51.71    +15 47.3             Gibson
          23.445      3 31.69    +17 32      12.5:    Morris
          28.468      3 47.08    +18 03      12.6:      "

J. Gibson (Palomar).  1.52-m reflector with CCD camera.  Image
   essentially stellar, with mag ~ 16.5; longer exposures show
   short tail in p.a. ~ 270 and coma.  CCD images also exist from
   June 9 and 11.
C. S. Morris (Frazer Park, CA).  Visual observations with 0.25-m
   reflector.  Coma diameter ~ 1', diffuse with slight condensation:
   comet had similar appearance when observed on June 27.46.

     The comet is evidently quite close to the predicted position,
and the following ephemeris is from orbital elements on MPC 8287.

     1984 ET     R.A. (1950.0) Decl.      p        r       m1

     June 29     3 48.78    +18 06.3    2.271    1.598    12.6
     July  9     4 19.74    +18 50.9
          19     4 50.56    +19 13.0    2.190    1.596    12.5
          29     5 20.92    +19 12.5
     Aug.  8     5 50.44    +18 50.0    2.122    1.622    12.6
          18     6 18.83    +18 07.5
          28     6 45.81    +17 07.4    2.060    1.672    12.7
     Sept. 7     7 11.15    +15 52.6
          17     7 34.70    +14 26.6    1.993    1.743    12.9
          27     7 56.31    +12 52.4


PERIODIC COMET CLARK (1983w)
     Total visual magnitude estimates: May 10.48 UT, 11.1 (A. Hale,
0.20-m reflector; Frazer Park, CA); 26.46, 11.0 (C. Morris, 0.25-m
reflector; Big Bear, CA); June 3.45, 10.9 (Hale).


CORRIGENDA
IAUC 3930.  Corrigenda.  Line 1, for GX 1-4 read GX 1+4.
IAUC 3934.  Periodic Comet Halley (1982i).  Line 6 from foot, for
   J. Baudraud read J. Baudrand.


1984 June 29                   (3956)            Daniel W. E. Green

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