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IAUC 8104: P/2003 F2; 2003cu, 2003cv,, 2003cw

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                                                  Circular No. 8104
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)


COMET P/2003 F2 (NEAT)
     An apparently asteroidal object reported by the NEAT project
(discovery observation given below), and posted on the NEO
Confirmation Page, has been reported as faintly cometary by a few
observers.  G. Masi reports that CCD observations in good
conditions (0".9 seeing) with the Danish 1.54-m telescope at the
European Southern Observatory on Mar. 28.3 and 29.1 UT show the
object to be nonstellar, with a slight elongation toward p.a. 315
deg, such that a nuclear condensation appears on the southeast side
of a coma that has size 5".5 along a southeast-northwest axis and
4" along a northeast-southwest axis.  Images taken with the 1.06-m
KLENOT telescope at Klet on Mar. 31.9 by M. Tichy and M. Kocer show
the object as slightly diffuse with a coma diameter of 6".

     2003 UT             R.A. (2000) Decl.        m2
     Mar. 27.20121   12 18 44.52   - 4 22 58.2   20.4

The available astrometry, the following elliptical orbital elements,
and an ephemeris appear on MPEC 2003-G04.

     T = 2003 Apr. 24.365 TT          Peri. = 194.345
     e = 0.54757                      Node  = 358.782   2000.0
     q = 2.91198 AU                   Incl. =  11.107
       a =  6.43630 AU     n = 0.060360     P =  16.3 years


SUPERNOVAE 2003cu, 2003cv, AND 2003cw
     Further to IAUC 8103, W. M. Wood-Vasey, G. Aldering, and P.
Nugent report the discovery of three supernovae on unfiltered NEAT
images:

SN      2003 UT      R.A.  (2000.0)  Decl.    Mag.      Offset
2003cu  Mar. 27.14  10 53 02.66  - 0 41 03.9  19.9   6".1 W, 3".6 N
2003cv  Mar. 31.13  11 17 48.36  +19 09 08.5  17.6   0".6 W, 2".8 N
2003cw  Mar. 31.13  11 24 03.88  +23 20 44.8  20.1   0".1 W, 10".0 N

Additional approximate CCD magnitudes:  SN 2003cu, 2002 Apr. 5.14,
[21.1; 2003 Feb. 23.54, 19.2; Mar. 9.36, 19.9; 24.16, 20.1; 26.14,
20.2; Apr. 1.22, 20.2.  SN 2003cv, 2002 Apr. 1.33, [21.0; 2003 Mar.
24.18, 17.8; 26.29, 17.7.  SN 2003cw, Mar. 8.46, [20.9; 24.18, 19.7.

                      (C) Copyright 2003 CBAT
2003 April 1                   (8104)            Daniel W. E. Green

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