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IAUC 8032: C/2002 X3, C/2002 X4; 2002 X5

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IAUC number 

                                                  Circular No. 8032
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
CBAT@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)


COMETS C/2002 X3 AND C/2002 X4 (SOHO)
     Further to IAUC 8026, D. Hammer reports measurements for two
Kreutz sungrazing comets found by X.-M. Zhou on SOHO website C2
coronagraph images that were taken around the time of the total
solar eclipse.  The reduced astrometry (discovery positions below)
and orbital elements by B. G. Marsden appear on MPEC 2002-X64.

    Comet         2002 UT           R.A. (2000) Decl.
    C/2002 X3     Dec.  4.171      16 43.1   -24 03
    C/2002 X4           4.254      16 43.6   -24 03


COMET 2002 X5
     S. Nakano, Sumoto, Japan, reports the visual discovery of a
comet by Tetuo Kudo.  The following observations have been
forwarded by Nakano:

     2002 UT             R.A. (2000) Decl.        m1    Observer
     Dec. 13.833     15 44         +45 30         9.5   Kudo
          14.783     15 52         +44 57         9.5     "
          14.86146   15 53 07.63   +44 52 43.3    9.6   Kadota
          14.86205   15 53 07.94   +44 52 42.3            "
          14.86278   15 53 08.31   +44 52 40.9            "
          14.86302   15 53 08.48   +44 52 39.9    7.5   Kushida
          14.86338   15 53 08.59   +44 52 40.1          Kadota
          14.86410   15 53 08.93   +44 52 38.3            "
          14.86458   15 53 09.18   +44 52 36.0          Kushida
          14.86473   15 53 09.25   +44 52 37.3          Kadota
          14.86597   15 53 09.87   +44 52 35.0          Kushida
          14.86806   15 53 10.60   +44 52 31.1            "

T. Kudo (Nishi Goshi-machi, Kikuchi-gun, Kumamoto-ken, Japan).
  Nikon 20x120 binoculars.  Coma diameter 2'; central condensation
  visible, but no tail detected.
K. Kadota (Ageo, Saitama, Japan).  0.25-m f/5.0 reflector + CCD.
  Coma diameter 5'.5; tail at least 18' long in p.a. 331 deg.
R. and Y. Kushida (Yatsugatake South Base Observatory).  0.40-m
  f/10 Schmidt-Cassegrain reflector + CCD.  Coma diameter 4'; tail
  at least 15' in p.a. 330 deg.

                      (C) Copyright 2002 CBAT
2002 December 14               (8032)            Daniel W. E. Green

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