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IAUC 3260: 1978j

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IAUC number 

                                                  Circular No. 3260
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


COMET HANEDA-CAMPOS (1978j)
     On IAUC 3259 we neglected to remark that observers Haneda,
Campos, McCrosky and also Bennett (who confirmed the discovery) all
described the comet as diffuse, with condensation, without tail.
Further precise positions have been reported as follows:

     1978 UT             R. A. (1950) Decl.        m1    Observer
     Sept. 2.16782    20 51 53.58   -29 46 49.8          Schwartz
           2.57153    20 52 28.21   -29 59 32.7   10     Candy
           2.58472    20 52 29.11   -29 59 59.4            "
           4.52396    20 55 29.20   -31 05 10.7   10     Johnson
           4.59618    20 55 35.29   -31 01 39.0            "
           5.15968    20 56 33.15   -31 27 23.8          Schwartz

G. Schwartz (Harvard College Observatory, Agassiz Station).  155-cm
   reflector and 41-cm astrograph.  Measurers: R. E. McCrosky and
   C.-Y. Shao.  The positions given on IAUC 3259 have been slightly
   revised.
M. P. Candy and J. Johnson (Perth Observatory, Bickley).  Object
   diffuse with condensation, tail < 1o.  33-cm astrograph.

     J. Bortle, Brooks Observatory, provides the following total
visual magnitude estimate (32-cm reflector): Sept. 5.10 UT, 11.2.

     The following elliptical elements have been calculated.  The
ephemeris is from the second set, which suggest that the comet made
a close approach to Jupiter in 1969.

            M. P. Candy          B. G. Marsden
           (6 obs. Sept. 2-4)   (9 obs. Sept. 2-5)
       T = 1978 Oct. 9.429      1978 Oct. 9.480 ET
   Peri. = 239.81               240.153
   Node  = 132.04               131.747   1950.0
   Incl. =   5.81                 5.997
       q =   1.0999               1.10270 AU
       e =   0.6213               0.66001

     1978 ET     R. A. (1950) Decl.     Delta     r      m1
     Sept. 4    20 54.64    -30 47.4
           9    21 04.49    -33 39.9    0.207   1.174   10.8
          14    21 18.74    -36 35.8
          19    21 38.43    -39 26.7    0.181   1.136   10.3


1978 September 6               (3260)              Brian G. Marsden

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