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THE ASTRONOMER Electronic Circular No 2696      2010 Dec 21 16.12UT
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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APPARENT NOVA IN MESSIER 33:  M33N 2010-12a
T. Yusa, Japan, reports his discovery on CBET 2595 of an apparent nova 
of magnitude 16.6 in Messier 33 on multiple frames of 2010 Dec 17.42UT 
using a 0.30-m f/7 Cassegrain telescope +CCD.

The new object is located at:
RA 01h 34m 17.98s DEC +30d 43' 58'.3 (2000), 350"E and 261"N of the 
centre of the galaxy. Additional unfiltered CCD magnitudes by Yusa for 
M33N 2010-12a:  1991 Oct. 6, [20 (Digitised Sky Survey); 2010 Dec. 
8.425, [18.5; 10.448, [18.5; 18.48, 17.5.

Yusa's discovery image has been posted at the following website:
http://space.geocities.jp/yusastar77/PNinM33_101217.htm

Other confirming reports of M33N 2010-12a by observers using unfiltered 
CCD cameras are given below:

   Date UT          R.A. (2000.0) Decl.       Mag.    Observer
   Dec. 17.645    1 34 18.01  +30 43 58.0     16.4    Itagaki
        17.647    1 34 18.03  +30 43 58.3     16.7    Kadota
        18.357    1 34 18.01  +30 43 58.2     17.7    Itagaki
        18.486    1 34 18.02  +30 43 58.1     17.2    Nishiyama

SUPERNOVA 2010ii IN NGC 7342
Discovery by LOSS of a possible supernova (CBET 2474):
SN      2010 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2010ii  Sep 30.24   22 38 13.18  +35 29 30.0  18.0    0.2"E, 25.4"S
Spectra by Silverman et. al. Of Oct 1, show it to be type-Ia then about 
one week before maximum.

SUPERNOVA 2010ij IN PGC 68600
Discovery by La Sagra Sky Survey of a possible supernova (CBET 2478):
SN      2010 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2010ij  Sep 15.83   22 20 20.19  +17 03 22.2  15.9   10.4"E,  4.8"S

SUPERNOVA 2010il IN NGC 6922
Discovery by CHASE Project of a possible supernova (CBET 2482):
SN      2010 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2010il  Sep 29.10   20 29 53.12  -02 11 24.7  16.3    3.3"E,  3.9"N

SUPERNOVAE 2010im IN ANONYMOUS GALAXY
Discovery by CRTS of a possible supernova (CBET 2484):
SN      2010 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2010im  Oct  4.53   20 11 31.59  -45 41 57.8  16.3    1.9"E,  5.9"S

SUPERNOVAE 2010in IN ANONYMOUS GALAXY
Discovery by CRTS of a possible supernova (CBET 2484):
SN      2010 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2010in  Oct  6.64   01 16 14.62  -30 32 45.4  18.5    5.2"E,  7.7"S

SUPERNOVA 2010io IN UGC 4543
Discovery by Grzegorz Duszanowicz, Sweden of a possible supernova (CBET 
2481):
SN      2010 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2010io  Sep 30.13   08 43 21.41  +45 44 18.0  17.5    1.9"W,  9.6"N

Guy M Hurst