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IAUC 8236: C/2003 V1; 2003jh; 2003jg

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IAUC number

                                                  Circular No. 8236
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)

     A. Milner, Lincoln Laboratory, Massachusetts Institute of
Technology, reports the LINEAR discovery of a comet with a tail in
p.a. 330 deg (discovery observation below).  Following posting on
the NEOCP, other CCD observers recognized the object as a comet,
reporting additional physical data:  Nov. 5.2 UT, 12" coma (mag
16.5) and 40" tail (A. Knoefel, Essen, Germany, 0.32-m reflector);
Nov. 5.5, 7" coma (mag 16.5) with a broad tail a little more than
70" long spanning p.a. 290-310 deg, including two or three
streamers, the brightest of which is 30" long in p.a. 295 deg (J.
Young, Table Mtn., CA, 0.6-m reflector); Nov. 5.5, coma diameter
about 10", with 10" tail in p.a. 310 deg (P. R. Holvorcem and M.
Schwartz, Nogales, AZ, 0.81-m reflector; three 180-s exposures);
Nov. 6.4, soft coma of diameter 6", broad tail 9" long in p.a. 310
deg (J. E. McGaha, Tucson, AZ, 0.30-m reflector).

     2003 UT             R.A. (2000) Decl.       Mag.
     Nov.  4.47409   10 20 35.08   +41 11 33.4   18.1

The available astrometry, the following preliminary parabolic
orbital elements, and an ephemeris appear on MPEC 2003-V28.

     T = 2003 Apr.  7.074 TT          Peri. =   8.632
                                      Node  =  18.733   2000.0
     q = 1.51524 AU                   Incl. =  28.888

SUPERNOVA 2003jh IN MCG -02-11-30
     Further to IAUC 8232, M. Moore and W. Li report the LOSS
discovery, on KAIT images taken on Oct. 29.4 (mag about 17.8) and
30.4 UT (mag about 17.9), of an apparent supernova located at R.A.
= 4h16m37s.30, Decl. = -12o23'32".9 (equinox 2000.0), which is
12".4 west and 21".9 north of the nucleus of MCG -02-11-30.  A KAIT
image taken on Oct. 22.4 showed nothing at this position (limiting
mag about 19.0).

SUPERNOVA 2003jg IN NGC 2997
     Further to IAUC 8235, J. Biggs corrects the offset of SN
2003jg to 11" west and 6" north of the center of NGC 2997.
L. A. G. Monard, Pretoria, S. Africa, reports SN 2000jg at R.A. =
9h45m38s.40, Decl. = -31o11'19".9 (equinox 2000.0), supplying the
following unfiltered CCD magnitudes:  Sept. 2.141 UT, [17.0;
27.125, [17.0; Oct. 30.097, 16.5; 31.087, 16.8.

                      (C) Copyright 2003 CBAT
2003 November 6                (8236)            Daniel W. E. Green

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