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IAUC 8022: 2002jf; 2002jg; C/1999 M4, C/2002 U3, C/2002 U4, C/2002 U5

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IAUC number

                                                  Circular No. 8022
Central Bureau for Astronomical Telegrams
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)

     Further to IAUC 8019, W. M. Wood-Vasey et al. report the
discovery of an apparent supernova (mag 19.7) on unfiltered NEAT
images taken with the Palomar Schmidt 1.2-m telescope on Oct. 30
UT.  Confirming NEAT images were obtained with the Haleakala 1.2-m
telescope on Nov. 1 (mag 19.4) and 6 (mag 18.8) and with the
Palomar telescope on Nov. 12 (mag 17.8) and 22 (mag 18.7).  The
new object is located at R.A. = 2h34m35s.43, Decl. = +12o17'25".4
(equinox 2000.0), which is 3" east and 1" south of the center of
the apparent host galaxy.  No point source is visible at this
location in previous NEAT images taken on Oct. 26 (limiting mag
21.0 at S/N = 3).

SUPERNOVA 2002jg IN NGC 7253
     M. Ganeshalingam and W. Li, University of California at
Berkeley; and M. Schwartz, Cottage Grove, OR, report the LOTOSS
(cf. IAUC 7906) discovery of an apparent supernova on unfiltered
KAIT images taken on Nov. 23.2 (mag about 17.0) and 24.2 UT (mag
about 16.8), and on 0.8-m Tenagra II automatic telescope images
taken on Nov. 24.1 (mag about 16.8) and 25.2 (mag about 16.6).  SN
2002jg is located at R.A. = 22h19m28s.80, Decl.  = +29o23'04".5
(equinox 2000.0), which is 20".0 west and 13".1 south of the
brightest southeast nucleus of the interacting triple-galaxy system
NGC 7253.  A KAIT image taken on Nov. 18.2 showed nothing at this
position (limiting mag about 19.5).

COMETS C/1999 M4, C/2002 U3, C/2002 U4, C/2002 U5 (SOHO)
     Further to IAUC 8000, D. Hammer reports measurements for
Kreutz sungrazing comets found by M. Oates (C/1999 M4), S. Hoenig
(C/2002 U3, C/2002 U4), and R. Kracht (C/2002 U5) on SOHO website
C2 coronagraph images (with C/1999 M4 and C/2002 U5 also visible in
C3 images).  The reduced astrometry and orbital elements by B. G.
Marsden appear on the MPECs cited below.

  Comet         1999 UT          R.A. (2000) Decl.       MPEC
  C/1999 M4     June 24.071       6 02.0   +21 15       2002-V79

  Comet         2002 UT          R.A. (2000) Decl.       MPEC
  C/2002 U3     Oct. 17.371      13 20.4   -10 02       2002-V79
  C/2002 U4     Oct. 22.893      13 42.0   -12 04       2002-W34
  C/2002 U5     Oct. 26.863      13 34.9   -15 31       2002-W34

                      (C) Copyright 2002 CBAT
2002 November 24               (8022)            Daniel W. E. Green

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