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IAUC 5904: 1993t; N Cas 1993; P/ENCKE

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                                                  Circular No. 5904
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@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)


COMET KUSHIDA-MURAMATSU (1993t)
     S. Nakano, Sumoto, Japan, provides the following preliminary
parabolic orbital elements from the observations on IAUC 5903 (
except Dec. 11).  It is possible that this is a short-period comet.

     T = 1994 Nov. 26.155 TT          Peri. = 117.137
                                      Node  =  86.164   2000.0
     q = 1.13471 AU                   Incl. =  10.148

1993/94     R. A. (2000) Decl.   Delta     r    Elong. Phase    m1
Dec.  9     5 35.54   +22 33.2   3.639   4.617  172.6    1.6   15.9
     14     5 31.51   +22 35.2   3.584   4.568  178.5    0.3   15.9
     19     5 27.34   +22 36.9   3.537   4.518  175.2    1.0   15.8
     24     5 23.12   +22 38.4   3.499   4.469  169.2    2.4   15.7
     29     5 18.91   +22 39.6   3.469   4.419  163.2    3.7   15.7
Jan.  3     5 14.80   +22 40.6   3.446   4.369  157.1    5.0   15.6
      8     5 10.85   +22 41.6   3.432   4.319  151.1    6.3   15.5
     13     5 07.14   +22 42.5   3.424   4.269  145.2    7.6   15.5
     18     5 03.72   +22 43.6   3.423   4.218  139.3    8.7   15.4


NOVA CASSIOPEIAE 1993
     B. Skiff, Lowell Observatory, reports that a candidate precursor
appears on both prints of the Palomar Sky Survey as a star of B
about 18, B-R about +1.0.  The candidate is the northern component
of a merged pair (separation about 2") of roughly equal brightness
and elongated north-south.  The measured position from the E print,
via the Lowell Observatory PDS machine, is R.A. = 23h39m22s.36,
Decl. = +57o14'22".9 (equinox 1950.0); a measurement of the O print
yields end figures 22s.39, 23".2.
     Visual magnitude estimates:  Dec. 12.50 UT, 6.5 (H. Abe,
Yatsuka, Shimane, Japan); 12.77, 6.5 (H. Bengtsson, Hisings Backa,
Sweden).


PERIODIC COMET ENCKE
     Total visual magnitude estimates (cf. IAUC 5896):  Dec. 5.14
UT, 12.5 (C. S. Morris, Pine Mountain Club, CA, 0.26-m reflector);
8.02, 13.1: (G. Kronk, Troy, IL, 0.33-m reflector).


1993 December 12               (5904)            Daniel W. E. Green

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