Electronic Telegram No. 586
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
M.S. 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)
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SUPERNOVA 2006dy IN NGC 5587
     S. Nakano, Sumoto, Japan, reports the discovery by K. Itagaki
(Teppo-cho, Yamagata, Japan) of an apparent supernova (mag 16.6)
on numerous unfiltered CCD frames taken around July 25.54 UT with a
0.60-m f/5.7 reflector.  The new object is located at R.A. =
14h22m11s.45, Decl. = +13o55'14".2 (equinox 2000.0), which is 10"
east and 9" north of the center of NGC 5587 (whose center has
position end figures 10s.74, 05".2).  W. Li, University of California,
reports the following position end figures for 2006dy from a KAIT
image taken on July 26.20:  11s.55, 13".8.  Additional available
magnitudes for 2006dy:  2002 Jan. 19, [19.0 (Itagaki); 2006 June 28,
[19.5 (Itagaki); July 22.22, 18.5 (Li, via KAIT); 26.20, 16.5 (Li, via
KAIT).  Itagaki adds that nothing is visible at the position of 2006dy
on the Digitized Sky Survey.


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2006 CBAT
2006 July 26                     (CBET 586)               Daniel W. E. Green