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THE ASTRONOMER Electronic Circular No 2321      2007 Mar 30 13.56UT
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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VARIABLE STAR IN TRIANGULUM AUSTRALE
C. Colesanti, E. Pimentel, T. Napoleao, C. Jacques, Brazil, have found a 
previously unknown variable star on CCD images obtained in the course of 
the Brazilian Supernovae Survey according to CBET 867. It is located at 
RA 16h 20m 50.18s DEC -60 23' 39.5" (2000). Available red magnitudes 
from their archival images:  2005 Apr. 6.34 UT, 17.2; 17.240, 15.8; May 
4.246,16.1; June 10.115, 15.9; 25.067, 16.8; July 4.144, 17.4; 23.002, 
15.8; Aug. 4.021, 16.1; 15.032, 15.8; 2006 Apr. 28.238, 15.9; May 
19.151, 17.2; June 28.120, 15.9; July 11.072, 15.8; 21.026, 15.9; Aug. 
25.017, 16.4; 2007 Feb. 24.24, 15.7 (discovery); Mar. 3.172, 15.8.

SUPERNOVA 2007aa IN NGC 4030
Discovery by Takao Doi, USA, of a possible supernova (IAUC 8814):
SN      2006 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2007aa  Feb. 18.308 12 00 27.69  -01 04 51.6  15.7   60"  E, 68  "N
Type-II, found 19 days past explosion

SUPERNOVA 2007ab IN MCG -01-43-2
Discovery by Berto Monard, of a possible supernova (IAUC 8814):
SN      2006 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2007ab  Feb. 19.104 16 51 29.13  -03 05 33.6  17.8   47"  W, 15  "N
Type-II, found two weeks past explosion

SUPERNOVA 2007ac IN UGC 10550
Discovery by T Puckett and P. Gray, of a possible supernova (IAUC 8814):
SN      2006 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2007ac  Feb. 19.44  16 47 02.36  +40 08 47.6  17.5    2.0"W,  8.7"N
Type-II found about a week past explosion

SUPERNOVA 2007ad IN UGC 10845
Discovery by T Puckett and P. Gray, of a possible supernova (IAUC 8814):
SN      2006 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2007ad  Feb. 19.47  17 24 24.58  +44 56 15.9  17.4    4.9"E, 10.7"S
Type-II found with a few days of explosion

SUPERNOVA 2007ae IN UGC 10704
Discovery by M. Nissinen and V Hentunen, Finland, of a possible 
supernova (IAUC 8814):
SN      2006 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2007ae  Feb. 19.892 17 01 51.95  +79 01 54.6  17.5    8  "E, 21  "S
Type-Ia, just before maximum when found.

SUPERNOVA 2007af IN NGC 5584
Discovery by K. Itagaki, of a possible supernova (IAUC 8817):
SN      2006 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2007ef  Mar. 01.84  14 22 21.03  -00 23 37.6  15.4   40"  W, 22"  S
On 2007 Feb. 24.81 UT the object was not recorded to a limit of 
magnitude 19.0. The object has brightened further since discovery to 
Mar. 7.65UT, magnitude 13.7. It is evidently a type Ia, found well 
before maximum light.

Guy M Hurst