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IAUC 3874: N Nor 1983; 1983p

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                                                  Circular No. 3874
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


NOVA NORMAE 1983
     J. Hers communicates, via J. Mattei, AAVSO, the following
visual magnitude estimates by D. Overbeek, Edenvale, South Africa:
Sept. 26.78 UT, 10.4; 27.71, 11.5; 28.75, 12.0; 29.72, 12.3;
30.74, 12.4; Oct. 1.74, 12.3.


COMET SHOEMAKER (1983p)
     Further precise positions have been reported as follows:

     1983 UT            R.A.   (1950.0)   Decl.     Observer

     Sept.16.18368    23 34 51.07    +17 08 55.5    Everhart
          16.50068    23 34 11.3     +17 01 02      Gilmore
          16.56608    23 34 03.1     +16 59 22        "
          18.03006    23 30 59.48    +16 21 55.5    Milet
          18.03768    23 30 58.63    +16 21 39.8      "
          18.20556    23 30 37.70    +16 17 20.9    Everhart
          19.01347    23 28 56.26    +15 56 20.2    Milet
          19.02022    23 28 55.72    +15 56 10.8      "
          26.11667    23 14 20.50    +12 45 31.3    Everhart
          28.11111    23 10 21.11    +11 50 27.3    Skiff
          28.12326    23 10 19.81    +11 50 04.6    Everhart

E. Everhart (Chamberlin Observatory field station).
A. C. Gilmore (Mt. John Observatory).  Measurer: P. M. Kilmartin.
B. Milet (Nice Observatory).
B. Skiff (Lowell Obs., Anderson Mesa Sta.).  Measurer: E. Bowell.

     Improved parabolic elements from observations Sept. 7-28:

         T = 1983 Nov. 24.1230 ET  Peri. = 176.1168
                                   Node  = 163.9864   1950.0
         q =   3.343991 AU         Incl. = 137.6001

     1983/84 ET  R.A. (1950.0) Decl.      p        r       m1

     Nov.  2    22 17.40    - 2 53.8    2.789    3.350    11.5
          12    22 09.27    - 6 00.2
          22    22 04.02    - 8 33.4    3.171    3.344    11.7
     Dec.  2    22 01.24    -10 37.9
          12    22 00.54    -12 18.5    3.572    3.348    12.0
          22    22 01.54    -13 40.1
     Jan.  1    22 03.89    -14 46.8    3.931    3.363    12.2


1983 October 4                 (3874)              Brian G. Marsden

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