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IAUC 5705: 1993 BW3; 1992x

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                                                  Circular No. 5705
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Telephone 617-495-7244/7440/7444 (for emergency use only)
TWX 710-320-6842 ASTROGRAM CAM     EASYLINK 62794505
MARSDEN or GREEN@CFA.BITNET    MARSDEN or GREEN@CFAPS2.SPAN


1993 BW3
     R. H. McNaught, Bugaldie, N.S.W., reports his discovery of a fast-moving
asteroidal object on a U.K. Schmidt plate taken by M. J. Drinkwater.
Follow-up observations with the Uppsala Southern Schmidt and all measures
are by McNaught:

     1993 UT             R.A. (2000) Decl.        V
     Jan. 30.61345   10 54 00.02   - 0 45 06.5   17
          30.65512   10 53 56.37   - 0 45 16.9
     Feb.  2.67832   10 49 04.95   - 0 57 49.4
           2.69360   10 49 03.32   - 0 57 52.8
           2.70549   10 49 02.07   - 0 57 55.7
           2.73187   10 48 59.58   - 0 58 01.4
           3.70938   10 47 22.55   - 1 01 34.5

Orbital elements by the undersigned from six of the above observations:

     T = 1992 Aug. 15.750 TT          Peri. =  76.409
     e = 0.53726                      Node  = 318.663   2000.0
     q = 1.01694 AU                   Incl. =  21.180
       a =  2.19762 AU     n = 0.302534     P =   3.26 years

1993 TT     R. A. (2000) Decl.   Delta     r    Elong. Phase    V
Jan. 23    11 05.02   - 0 03.3   1.139   1.965  135.5   20.6   17.3
     28    10 58.00   - 0 32.4   1.131   1.999  141.8   17.8   17.2
Feb.  2    10 50.19   - 0 55.3   1.128   2.033  148.1   14.8   17.1
     12    10 33.09   - 1 22.4   1.143   2.099  160.4    9.1   17.0
     22    10 15.68   - 1 27.2   1.185   2.163  168.2    5.4   17.0
Mar.  4     9 59.99   - 1 16.0   1.257   2.226  163.3    7.4   17.3
     14     9 47.48   - 0 56.8   1.357   2.286  152.6   11.5   17.7
     24     9 38.78   - 0 36.5   1.481   2.345  141.5   15.3   18.0


PERIODIC COMET SCHAUMASSE (1992x)
     Total visual magnitude estimates: Jan. 16.78 UT, 11.6 (A. Renou,
Blaison, France, 0.25-m reflector); 19.12, 10.5 (C. Spratt, Victoria,
B.C., 0.20-m reflector); 23.02, 9.8 (J. Carvajal, Madrid, Spain, 0.3-m
reflector); 26.09, 8.9 (J. E. Bortle, Stormville, NY, 20 x 80 binoculars);
28.21, 8.8 (C. S. Morris, Whitaker Peak, CA, 20 x 80 binoculars).


1993 February 5                (5705)              Gareth V. Williams

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