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IAUC 8428: P/2004 V2; 2004fu; 2004ff

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IAUC number

                                                  Circular No. 8428
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)

     R. H. McNaught, Siding Spring Observatory, reports his
recovery of comet P/1983 V1 (= 1983v = 1984 III) on CCD images
taken with the 1.0-m f/8 reflector on Nov. 3.7 and 5.8 UT.  The
comet appears slightly diffuse with no tail.  The indicated
correction to the predictions on MPC 45657 (ephemeris on MPC 52656)
and in the 2004 Comet Handbook is Delta(T) approximately -4.8 days.
The available 2004 astrometry, along with the following orbital
elements and an ephemeris, appear on MPEC 2004-V25.

                    Epoch = 2005 July  9.0 TT
     T = 2005 June 20.8367 TT         Peri. =  47.0753
     e = 0.835083                     Node  =   1.4002  2000.0
     q = 1.275129 AU                  Incl. =  95.6969
       a =  7.731949 AU    n = 0.0458427    P =  21.500 years

SUPERNOVA 2004fu IN NGC 6949
     Further to IAUC 8406, R. Arbour reports his discovery of an
apparent supernova on unfiltered CCD images taken with a 0.3-m
f/6.3 Schmidt-Cassegrain reflector on Nov. 4.874 (at mag
approximately 16.8) and 5.813 (mag approximately 16.5).  The new
object is located at R.A. = 20h35m11s.54, Decl. = +64o48'25".7
(equinox 2000.0), which is 29" east and 15" north of the center of
NGC 6949.  An image taken by D. Briggs with a 0.60-m f/4.7
reflector on Nov. 5.864 yields position end figures 11s.62, 26".5.
Nothing is visible at this location on a patrol image taken by
Arbour on Oct. 31.907 (limiting mag approximately 17.5) or on
Digitized Sky Survey images from 1991 (limiting blue mag 19.0) and
1992 (limiting red mag 19.0).

SUPERNOVA 2004ff IN ESO 552-G40
     M. Modjaz, P. Challis, R. Kirshner, A. Garg, and C. Stubbs,
Harvard-Smithsonian Center for Astrophysics; and T. Matheson,
National Optical Astronomy Observatory, report that a spectrum
(range 390-900 nm) of SN 2004ff (cf. IAUC 8425), obtained by
Challis, Garg, and Stubbs on Nov. 3.30 UT with the Magellan Clay
6.5-m Telescope (+ LDSS-2), shows it to be a supernova of type Ic.
The spectrum is similar to spectra of SN 1994I (Filippenko et al.
1995, Ap.J. 450, L11) taken a few days after maximum.

                      (C) Copyright 2004 CBAT
2004 November 5                (8428)            Daniel W. E. Green

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