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IAUC 7956: COMET C/2002 Q1 (VAN NESS); 2002en; C/2002 N2, C/2002 P2,, C/2002 P3

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IAUC number

                                                  Circular No. 7956
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)

     Michael E. Van Ness, Lowell Observatory, reports his discovery
of a comet with a moderately condensed 24" coma and a fan-shaped
tail about 200" long in p.a. 270 deg on LONEOS images taken on Aug.
17.  The cometary nature was confirmed by several other CCD
astrometric observers on Aug. 18, who all reported a generally
diffuse coma with diameter about 14"-25"; several also noted a tail
about 25"-120" long in p.a. 260-270 deg.

     2002 UT             R.A. (2000) Decl.        m1
     Aug. 17.44384    3 57 42.77   + 1 08 26.4   16.9

The available astrometric data (including observer information) and
the following preliminary orbital elements appear on MPEC 2002-Q08.

     T = 2002 July 25.502 TT          Peri. = 190.673
                                      Node  = 178.447   2000.0
     q = 1.65463 AU                   Incl. =  38.671

SUPERNOVA 2002en IN UGC 12289
     Further to IAUC 7906 and 7953, W. D. Li reports the LOTOSS
discovery of an apparent supernova (mag about 18.3) on unfiltered
CCD images taken with KAIT on Aug. 18.3 and 19.3 UT.  SN 2002en is
located at R.A. = 22h59m40s.82, Decl. = +24o04'17".5 (equinox
2000.0), which is 9".9 west and 12".2 south of the nucleus of UGC
12289.  A KAIT image taken on Aug. 12.3 showed nothing at this
position (limiting mag about 19.0).

COMETS C/2002 N2, C/2002 P2, AND C/2002 P3 (SOHO)
     Further to IAUC 7952, D. Hammer reports measurements for three
comets found on SOHO website images by R. Kracht.  C/2002 P2 (a
Kreutz comet) was seen on C3 coronagraph images; the others were
visible only on C2 images; C/2002 P3 is a member of the Meyer group
(cf. IAUC 7832), and C/2002 N2 of the Kracht group (IAUC 7952).
Reduced astrometry and orbital elements by B. G. Marsden appear on
the MPECs cited below.

  Comet         2002 UT          R.A. (2000) Decl.       MPEC
  C/2002 N2     July 11.646       7 15.8   +22 31       2002-Q02
  C/2002 P2     Aug. 10.513       8 59.6   +13 58       2002-P55
  C/2002 P3          12.504       9 21.7   +16 19       2002-P63

                      (C) Copyright 2002 CBAT
2002 August 19                 (7956)            Daniel W. E. Green

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