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IAUC 5896: 1993s; P/ENCKE

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                                                  Circular No. 5896
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 MUELLER (1993s)
     The following precise positions have been reported:

     1993 UT             R.A. (2000) Decl.        m1    Observer
     Nov. 23.40387    6 58 10.79   +20 42 23.0          Balam
          23.40786    6 58 10.70   +20 42 23.3            "
          23.41267    6 58 10.66   +20 42 24.0            "
          23.41678    6 58 10.60   +20 42 24.7            "
          24.82674    6 57 46.45   +20 45 54.0   17.5   Seki
          25.41231    6 57 36.08   +20 47 20.7          Balam
          25.42159    6 57 35.90   +20 47 22.3            "
          25.42958    6 57 35.76   +20 47 23.3            "
          25.43356    6 57 35.68   +20 47 24.0            "

D. D. Balam and J. B. Tatum (Dominion Astrophysical Observatory,
   Victoria).  1.82-m Plaskett telescope + CCD.
T. Seki (Geisei).  0.60-m f/3.5 reflector.  Coma 5" (north-south) x
   15" (east-west).  Tail 1' in p.a. 280 deg.  Communicated by S. Nakano.

     The following parabolic orbital elements are by the undersigned.
It is not improbable that the comet is of short period.

     T = 1994 Dec. 29.901 TT          Peri. =  86.793
                                      Node  = 100.021   2000.0
     q = 2.31079 AU                   Incl. =  20.966

1993/94     R. A. (2000) Decl.     Delta      r    Elong. Phase      m1
Nov. 19     6 59.24    +20 32.1    4.061    4.789  132.9    8.7     17.8
     29     6 56.42    +20 56.7    3.878    4.709  143.7    7.1     17.7
Dec.  9     6 52.16    +21 25.5    3.718    4.629  154.8    5.2     17.5
     19     6 46.65    +21 57.9    3.587    4.549  166.3    2.9     17.4
     29     6 40.22    +22 32.7    3.486    4.469  178.0    0.4     17.2
Jan.  8     6 33.34    +23 08.5    3.417    4.389  170.1    2.2     17.1
     18     6 26.57    +23 44.1    3.379    4.309  158.3    4.8     17.0
     28     6 20.47    +24 18.4    3.371    4.229  146.7    7.3     16.9
Feb.  7     6 15.56    +24 50.9    3.388    4.149  135.5    9.6     16.8


PERIODIC COMET ENCKE
     Total magnitude estimate by H. Mikuz, Ljubljana, Slovenia (0.20-m
Baker-Schmidt camera + CCD + V filter): Nov. 16.84 UT, 14.6.


1993 November 26               (5896)              Brian G. Marsden

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