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IAUC 8357: 2004ci; C/2003 X5-X11, Y2-Y10

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                                                  Circular No. 8357
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)


SUPERNOVA 2004ci IN NGC 5980
     Further to IAUC 8349, M. Armstrong reports his discovery, on
images taken on June 16.997 UT, of an apparent supernova (mag 17.5)
located at R.A. = 15h41m29s.83, Decl. = +15o47'13".1 (equinox
2000.0), which is 10".1 west and 2".3 south of the center of NGC
5980.  Nothing was visible at this location on an image taken by
Armstrong on 2003 Apr. 8.  Further to IAUC 8345 and 8350, S. Park
and R. J. Foley also report LOSS observations of SN 2004ci via KAIT
images taken on June 15.3 (mag about 17.7) and 17.3 (mag about
17.4), giving position end figures 29s.71, 12".7.  A KAIT image
taken on June 12.4 showed nothing at this position (limiting mag
about 19.0).


COMETS C/2003 X5-X11 AND Y2-Y10 (SOHO)
     Further to IAUC 8356, K. Battams reports measurements for
additional Kreutz sungrazing comets found on SOHO website C2 images
by M. Boschat (C/2003 X5, X7, Y5, Y8), X.-m. Zhou (C/2003 X6, X9,
X11), T. Hoffman (C/2003 X8), X. Leprette (C/2003 X10, Y2), R.
Matson (2003 Y3, Y9, Y10), R. Kracht (C/2003 Y4, Y7), and J. Sachs
(C/2003 Y6).  C/2003 Y6 and Y7 were also visible on C3 images.  The
reductions by B. G. Marsden (and by R. Kisala for C/2003 Y8, Y9,
Y10) and orbital elements by Marsden appear on the MPECs cited
below.

  Comet         2003 UT          R.A. (2000) Decl.       MPEC
  C/2003 X5     Dec.  4.896      16 46.9   -24 12       2004-L24
  C/2003 X6           6.396      16 52.2   -24 20       2004-L24
  C/2003 X7           7.829      16 58.6   -24 27       2004-L24
  C/2003 X8           8.246      17 00.9   -24 31       2004-L24
  C/2003 X9           8.621      17 02.2   -24 34       2004-L24
  C/2003 X10         11.188      17 14.5   -24 41       2004-L25
  C/2003 X11         13.588      17 25.7   -24 57       2004-L25
  C/2003 Y2          19.621      17 53.6   -25 08       2004-L25
  C/2003 Y3          19.979      17 55.0   -25 02       2004-L25
  C/2003 Y4          20.729      17 58.8   -25 14       2004-L25
  C/2003 Y5          22.771      18 08.5   -25 08       2004-L25
  C/2003 Y6          23.571      18 14.3   -27 22       2004-L26
  C/2003 Y7          24.638      18 20.0   -27 44       2004-L26
  C/2003 Y8          25.288      18 19.6   -25 00       2004-L67
  C/2003 Y9          25.479      18 20.7   -24 46       2004-L67
  C/2003 Y10         26.064      18 23.5   -24 50       2004-L67

                      (C) Copyright 2004 CBAT
2004 June 17                   (8357)            Daniel W. E. Green

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