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IAUC 5688: 1993a

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                                                  Circular No. 5688
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 (1993a)
     The following positions have been reported:

     1993 UT             R.A. (2000) Decl.        m1    Observer
     Jan.  5.49317    9 43 05.65   +47 51 57.4   15     Kojima
           5.52089    9 43 03.80   +47 52 23.0            "
           5.52830    9 43 03.03   +47 52 30.0            "
           5.73438    9 42 47.47   +47 55 49.6          Sugie
           5.74965    9 42 46.33   +47 56 05.6            "
           5.76615    9 42 45.05   +47 56 17.9            "
           5.77222    9 42 44.64   +47 56 26.8   14.5   Urata
           5.77708    9 42 44.27   +47 56 30.1            "
           5.94084    9 42 31.96   +47 59 04.4          Pravec
           5.95243    9 42 31.06   +47 59 17.2            "
           5.95493    9 42 31.07   +47 59 23.6            "
           5.97505    9 42 29.69   +47 59 41.3            "
           5.98145    9 42 28.68   +47 59 48.8            "
           5.98392    9 42 28.72   +47 59 51.4            "
           6.00059    9 42 27.50   +48 00 05.3            "
           6.00307    9 42 27.19   +48 00 07.2            "
           6.25706    9 42 07.92   +48 04 12.9          Balam
           6.26480    9 42 07.18   +48 04 19.1            "
           6.27265    9 42 06.96   +48 04 27.7            "
           6.28007    9 42 06.00   +48 04 34.9            "

T. Kojima (YGCO Chiyoda Observatory).  0.25-m f/3.4 Wright-Schmidt
   camera.  Communicated by S. Nakano.
A. Sugie (Dynic Astronomical Observatory).  0.25-m f/3.4 Schmidt
   camera.
T. Urata (Nihondaira Observatory Oohira station).  0.25-m f/3.4
   hyperboloid astrocamera.
P. Pravec (Ondrejov).  0.18-m f/5.6 Maksutov + CCD.
D. D. Balam, J. B. Tatum, and R. M. Robb (Climenhaga Observatory,
   Victoria).  0.5-m reflector + CCD.  Measurer Balam.  Comet
   outside of polygon of stars.

     H. Mikuz, Ljubljana, Slovenia, reports that CCD photometry
obtained with a 0.20-m f/2 Baker-Schmidt camera (+ V filter) shows
the comet as having a 0'.6 coma of V = 14.0 and a highly condensed,
almost starlike center, with a delicate 3' fan-shaped tail in p.a.
180 deg.


1993 January 7                 (5688)            Daniel W. E. Green

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