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IAUC 4019: SN IN NGC 7184; 1984u

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                                                  Circular No. 4019
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


SUPERNOVA IN NGC 7184
     Confirming the information on IAUC 4013, A. Savage, Royal
Observatory, Edinburgh, reports her measurement of the position of
the supernova on a U. K. Schmidt plate as: R.A. = 21h59m58s32, Decl. =
-21deg02'23"7 (equinox 1950.0).  Tatum's object was not visible on
this short exposure, but it does appear on other Schmidt plates
taken during the past ten years; on the other hand, nothing
appears at the position of the supernova on the earlier plates.


PERIODIC COMET SHOEMAKER 2 (1984u)
     Further precise positions have been reported as follows:

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

    Nov. 28.68056    2 58 30.3    +22 46 11     16   Seki
         30.35880    2 57 13.92   +23 39 48.4        Helin
         30.37616    2 57 12.94   +23 40 21.9          "

T. Seki (Geisei).  Communicated by S. Nakano.
E. Helin and R. S. Dunbar (Palomar Observatory).  1.2-m Schmidt.

     Elliptical elements from eight observations Nov. 18-30:

          T = 1984 Sept. 26.352 ET
      Peri. = 317.292                    e =   0.68371
      Node  =  54.789   1950.0           a =   4.17991 AU
      Incl. =  21.908                    n =   0.115333
          q =   1.32207 AU               P =   8.55 years

     1984/85 ET  R.A. (1950.0) Decl.      p        r       m1

     Dec.  6     2 54.01    +26 20.4    0.629    1.574    15.0
          16     2 52.31    +30 01.2
          26     2 55.41    +32 40.6    0.864    1.707    16.0
     Jan.  5     3 02.69    +34 38.5
          15     3 13.30    +36 08.4    1.157    1.854    17.0
          25     3 26.55    +37 18.4
     Feb.  4     3 41.86    +38 14.0    1.490    2.007    17.9
          14     3 58.73    +38 58.0
          24     4 16.78    +39 32.0    1.852    2.164    18.7
     Mar.  6     4 35.70    +39 57.1
          16     4 55.21    +40 13.8    2.230    2.322    19.4


1984 December 10               (4019)              Brian G. Marsden

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