[IAUC] CBET 2006: 20091108 : SUPERNOVA 2009kr IN NGC 1832

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                                                  Electronic Telegram No. 2006
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
M.S. 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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SUPERNOVA 2009kr IN NGC 1832
     S. Nakano, Sumoto, Japan, reports the discovery by Koichi Itagaki
(Teppo-cho, Yamagata, Japan) of an apparent supernova (mag 16.0) in NGC 1832
on 15-s unfiltered CCD frames taken on Nov. 6.73 UT using a 0.60-m f/5.7
reflector (limiting magnitude 19.0).  T. Yusa (Osaki, Miyagi-ken, Japan)
confirmed the new object on seven 120-s unfiltered CCD frames (limiting mag
18.5) taken remotely using a 0.25-m f/3.4 reflector near Mayhill, NM, U.S.A.
on Nov. 7.4.  K. Kadota (Ageo, Japan) also obtained sixteen 60-s unfiltered
CCD images (limiting mag 18.0) on Nov. 7.63 using a 0.25-m f/5 reflector.
The available astrometry and magnitudes from these observers are tabulated
below for this object, designated 2009kr, with its offsets as measured
from the galaxy's center:

 2009 UT         R.A. (2000.0) Decl.     Mag.      Offset           Observer
 Nov. 6.730    5 12 03.30  -15 41 52.2   16.0    0".3 W, 35".5 S    Itagaki
 Nov. 7.407    5 12 03.31  -15 41 52.0   15.7                       Yusa
 Nov. 7.626    5 12 03.29  -15 41 52.1   15.6    0".3 W, 36".0 S    Kadota

Nothing is visible at this location on Itagaki's many past frames, including
his most recent previous frame taken on Oct. 3.76 (limiting mag 18.5), or on
the Digitized Sky Survey (DSS), Itagaki noting that his discovery image has
been posted at website URL http://www.k-itagaki.jp/images/ngc1832.jpg.
Yusa adds that there is nothing visible at the location of 2009kr on a DSS
image from 1983 Nov. 6.667 (limiting mag 18.5; no bandpass provided).
The type-Ib supernova 2004gq also appeared about 0'.5 northeast of the
center of NGC 1832 (cf. IAUCs 8452, 8461).


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                         (C) Copyright 2009 CBAT
2009 November 8                  (CBET 2006)              Daniel W. E. Green