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IAUC 7884: 2002ck; C/2002 H2; IM Nor

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                                                  Circular No. 7884
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 2002ck IN UGC 10030
     W. D. Li, University of California at Berkeley, reports the
LOTOSS (cf. IAUC 7514) discovery of an apparent supernova on
unfiltered CCD images taken with the 0.8-m Katzman Automatic
Imaging Telescope (KAIT) on Apr. 23.4 (mag about 16.8) and 24.3 UT
(mag about 16.7).  SN 2002ck is located at R.A. = 15h47m00s.75,
Decl. = -0 59'25".5 (equinox 2000.0), which is 5".0 east and 18".0
south of the nucleus of UGC 10030.  A KAIT image taken on Apr. 14.4
showed nothing at this position (limiting mag about 19.0).


COMET C/2002 H2 (LINEAR)
     Additional astrometry and the following preliminary parabolic
orbital elements appear on MPEC 2002-H40:

     T = 2002 Mar. 23.461 TT          Peri. =  20.445
                                      Node  = 269.011   2000.0
     q = 1.63562 AU                   Incl. = 110.478

2002 TT     R. A. (2000) Decl.   Delta     r    Elong. Phase    m1
Apr. 16    19 36.94   +20 06.5   1.396   1.666   86.3   37.0   13.4
     18    19 35.05   +22 33.8   1.376   1.671   87.8   36.9   13.4
     20    19 32.86   +25 04.8   1.358   1.677   89.1   36.8   13.4
     22    19 30.34   +27 38.8   1.342   1.683   90.4   36.7   13.4
     24    19 27.47   +30 15.4   1.329   1.689   91.6   36.5   13.4
     26    19 24.20   +32 53.9   1.319   1.696   92.7   36.3   13.4
     28    19 20.50   +35 33.4   1.311   1.704   93.7   36.1   13.4
     30    19 16.32   +38 13.0   1.307   1.711   94.5   35.9   13.4
May   2    19 11.60   +40 51.9   1.305   1.719   95.2   35.7   13.4
      4    19 06.28   +43 29.1   1.306   1.728   95.7   35.5   13.5
      6    19 00.30   +46 03.4   1.310   1.736   96.1   35.3   13.5
      8    18 53.58   +48 33.9   1.317   1.745   96.3   35.1   13.5
     10    18 46.06   +50 59.6   1.326   1.755   96.4   34.9   13.6
     12    18 37.65   +53 19.4   1.339   1.764   96.4   34.7   13.6
     14    18 28.27   +55 32.2   1.354   1.775   96.2   34.5   13.6
     16    18 17.86   +57 37.3   1.371   1.785   95.9   34.3   13.7


IM NORMAE
     Visual magnitude estimates by R. Y. Shida, Sao Paulo, Brazil:
Feb. 10.293 UT, 10.2; Mar. 1.258, 10.6; 30.116, 11.3; Apr. 18.115,
11.8.

                      (C) Copyright 2002 CBAT
2002 April 24                  (7884)            Daniel W. E. Green

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