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IAUC 3189: 1978 CA; 1978 DA; 1978c

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                                                  Circular No. 3189
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


1978 CA
     Accurate and semiaccurate positions are reported as follows:

     1978 UT             R. A. (1950) Decl.        Observer
     Feb. 17.25794    10 23 55.29   -20 09 15.6    Schuster
          18.28083    10 23 02.43   -18 49 49.7      "
     Mar.  1.03091    10 10 03.45   + 3 43 32.7      "
           8.31229     9 56 24.3    +28 25 30      Bowell

H.-E. Schuster (European Southern Obs.).  Measurer: R. M. West.
E. Bowell (Lowell Observatory).  On Mar. 8.307 UT, V = 14.54, B-V =
   +0.80, U-B = +0.53.


1978 DA
     Accurate and semiaccurate positions are reported as follows:

     1978 UT             R. A. (1950) Decl.        Observer
     Mar.  1.09636    11 31 43.73   -15 14 09.9    Schuster
           2.14245    11 39 34.80   -14 20 36.8      "
           8.32916    12 41 27.1    - 6 07 02      Bowell

H.-E. Schuster (European Southern Obs.).  Measurer: R. M. West.
E. Bowell (Lowell Observatory).  On Mar. 8.324 UT, V = 13.85, B-V =
   +0.74, U-B = +0.47.


COMET BRADFIELD (1978c)
     The following semiaccurate position was obtained by H.-E.
Schuster with the 100-cm Schmidt telescope at E.S.O.:

     1978 UT             R. A. (1950) Decl.
     Mar.  8.40660    21 34 49.7    -11 42 33

The 3-min blue exposure shows a 6' tail to the southwest.

     E. P. Ney and D. A. Brodzik, University of Minnesota, report
infrared observations obtained at the O'Brien Observatory on Mar.
4.7 UT with a diaphragm 27" in diameter: 3.6 um, 4.5; 4.8 um, 2.6;
8.5 um, -0.6; 10.6 um, -1.3; 12.5 um, -1.6.


1978 March 9                   (3189)              Brian G. Marsden

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