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THE ASTRONOMER Electronic Circular No 2802      2012 Feb 21 14.45UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise,  Basingstoke,
Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074
INTERNET: GUY@TAHQ.DEMON.CO.UK      Backup: gmh@wdcc1.bnsc.rl.ac.uk
WORLD WIDE WEB                         http://www.theastronomer.org
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MASTER 072948.66+593824.4
P. Balanutsa et. al., Moscow State University, SAI, report on The 
Astronomer's telegram 3935 that the MASTER-Tunka auto-detection system 
discovered an optical transient source of magnitude 13.3 (limit 19.8) 
at:
RA 07h 29m 48.66s DEC +59d 38m 24.4s on 2012 Feb 17.62606UT.

The OT is seen in one image only and did not appear on a reference image 
of 2010 Nov 12.64649UT with unfiltered magnitude limit 20.2.

The images are available at
http://observ.pereplet.ru/images/072948_66+593824_4/072948_66+593824_4.pn
g

SUPERNOVA 2012U IN PGC 8012 (MARPLES)
2012U   Jan 20.45   02 06 04.33  -55 11 37.5  14.9   8  "E,   2  "S
J. Anderson: spectrum Jan 21 type-Ia near maximum light.

SUPERNOVA 2012V IN NGC 6829 (CORTINI)
2012V   Jan 25.79   19 47 10.32  +59 54 59.9  16.1  18  "E,  36  "N
S. Valenti: spectrum Jan 30 type-Ia similar to SN 1989B about one week 
before B-band maximum light.

SUPERNOVA 2012W IN NGC 268 (CSS)
2012W   Jan 26.09   00 50 08.95  -05 11 17.5  16.6  10.0"W,  18.6"N
L. Tomasella: spectrum Jan 30 type-II similar to SN 2003hg a few days 
after explosion.

SUPERNOVA 2012X (ROTSE)
2012X   Jan 29.26   11 29 20.8   +53 00 41.2  17.9:  5.5"E,   5.4"S
J. Caldwell: spectrum Feb 2, type-Ia about a week before maximum.

SUPERNOVA 2012Y NEAR PGC 16138 (CSS)
2012Y   Jan 26.41   04 50 27.83  -03 29 24.5  18.2
L. Tomasella: spectrum Jan 30 type-IIn indicates type-IIn `similar to SN 
1995G.

SUPERNOVA 2012Z IN NGC 1309 (LOSS)
2012Z   Jan 29.15   03 22 05.35  -15 23 15.6  17.6  14.6"W,  43.1"N
Samuel Meyer: photometry suggests a brightening to V=16.2 by Jan 
31.15UT. Martin Mobberley imaged it successfully on Feb 18 when it was 
21 degrees high in twilight.
S Cenko: spectrum similar to SN 2005hk and SN 1991T. The object is 
expected to become relatively bright.

Guy M Hurst