Electronic Telegram No. 561
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)
URL http://cfa-www.harvard.edu/iau/cbat.html


SUPERNOVA 2006dk IN NGC 4161
     A. Dimai, on behalf of the CROSS program (cf. IAUC 7373), reports
the discovery by M. Migliardi (Cortina, Italy) of an apparent supernova
(mag about 16.3) on two unfiltered CCD images taken on June 25.88 UT with
the 0.5-m 'Ullrich' telescope at Cortina d'Ampezzo, Italy.  SN 2006dk is
located at R.A. = 12h11m34s.35, Decl. = +57o44'26".3 (equinox 2000.0),
which is 6" east and 11" north of the nucleus of NGC 4161.  Nothing
appears at this location on Palomar Sky Survey infrared, red, and blue
plates.  Additional CROSS magnitudes for 2006dk:  Jan. 30, [18.5; June
26.87, 16.2.


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      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2006 CBAT
2006 June 27                     (CBET 561)               Daniel W. E. Green