Circular No. 8030
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 2002jm IN IC 603
     Further to IAUC 8026, M. Ganeshalingam and W. Li report the
discovery by LOTOSS of an apparent supernova (mag about 17.5) on an
unfiltered KAIT image taken on Dec. 7.5 UT, confirmed at about the
same brightness by M. Schwartz with the 0.8-m Tenagra II telescope
on Dec. 9.5.  SN 2002jm is located at R.A. = 10h19m25s.20, Decl. =
-5 39'14".5 (equinox 2000.0), which is 2".6 east and 7".3 north of
the center of IC 603.  A KAIT image taken on Nov. 23.5 showed
nothing at this position (limiting mag about 18.5).


SUPERNOVA 2002jn IN UGC 11523
     Further to IAUC 8009, T. Boles reports the discovery of an
apparent supernova (mag 18.0) on an unfiltered CCD image taken on
Dec. 9.767 UT with a 0.35-m reflector.  The new object is located
at R.A. = 20h11m59s.91, Decl. = +5 31'16".0, which is approximately
10".0 west and 11".5 north of the center of UGC 11523.  M. Schwartz,
Cottage Grove, OR, confirmed the new object with the 0.82-m Tenagra
telescope on Dec. 11.073.  Boles measured position end figures
59s.94, 15".6 from Schwartz' image.  SN 2002jn is not present on
Boles' images from Oct. 18 (limiting mag 18.5) or Sept. 28 (limiting
mag 19.0), and it is not present on Palomar Sky Survey red and blue
plates from 1990 or on a Quick-V survey plate from 1982.


COMET C/2002 X1 (LINEAR)
     Additional astrometry, now spanning Dec. 5-9, produces the
following revised parabolic orbital elements (MPEC 2002-X58):

     T = 2003 July 12.733 TT          Peri. = 206.938
                                      Node  = 281.855   2000.0
     q = 2.49886 AU                   Incl. = 164.111

2002/03     R. A. (2000) Decl.   Delta     r    Elong. Phase    m1
Dec.  2    10 36.81   +19 28.5   3.183   3.429   96.0   16.6   15.9
     12    10 27.73   +20 32.6   2.919   3.361  108.4   16.1   15.6
     22    10 14.25   +21 57.4   2.669   3.295  121.8   14.7   15.3
Jan.  1     9 55.30   +23 41.1   2.447   3.230  136.3   12.1   15.0
     11     9 30.04   +25 35.6   2.265   3.166  151.9    8.4   14.8
     21     8 58.50   +27 24.3   2.138   3.104  166.8    4.1   14.6
     31     8 22.35   +28 45.1   2.077   3.044  166.9    4.2   14.4

                      (C) Copyright 2002 CBAT
2002 December 11               (8030)            Daniel W. E. Green