Electronic Telegram No. 2435

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

SUPERNOVAE 2010hh IN NGC 6524

Further to CBET 2396, L. Jewett, S. B. Cenko, W. Li, and A. V. Filippenko,
University of California, report the LOSS discovery of an apparent supernova
in NGC 6524 (= UGC 11079) on unfiltered KAIT images:

 SN       2010 UT        R.A. (2000.0) Decl.      Mag.      Offset
 2010hh   Sept. 1.22   17 59 18.38  +45 52 32.2   18.3    38".7 E, 42".4 S

S. Nakano, Sumoto, Japan, reports the independent discovery by Koichi
Itagaki (Teppo-cho, Yamagata) of 2010hh at mag 18.1 on a unfiltered CCD
frames (limiting mag 21.0) taken on Sept. 2.588 UT using a 0.60-m f/5.7
reflector (+ Bitran BT-214E camera), the position end figures for 2010hh
measured as 18s.37 +/- 0s.01, 32".0 (offset 38" east, 42" south).  Itagaki
adds that nothing is visible at this position on the Digitized Sky Survey.
Additional magnitudes for 2010hh:  2007 Aug. 15, [19.5 (Itagaki); 2010 July
30.33, [19.6 (KAIT); Aug. 29.544, [19.0 (Itagaki); Sept. 1.595, 18.4
(Itagaki; pre-discovery); Sept. 2.21, 18.0 (KAIT).  Itagaki's discovery
images has been posted at http://k-itagaki.chicappa.jp:80/images/psn6524.jpg.

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Host galaxy info: vel = 5698 km/s; 1.3 x 1.0; 13.84; S0

SN type info: Ia

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