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THE ASTRONOMER Electronic Circular No 2376      2007 Sep 14 16.15UT
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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PROBABLE BRIGHT SUPERNOVA IN NGC 5530
Bob Evans, Australia, reports his visual discovery with his 0.41-m 
reflector on 2007 Sept. 13.44UT of a supernova (mag about 13.5) located 
about 24" west and 25" north of the nucleus of the galaxy NGC 5530 (RA 
14h 18.5m DEC -43 24'(2000)). This object is not a bright foreground 
star on the northeast edge of the nucleus.

Nothing is visible at this location on the ESO "B" survey or in the 
photograph of this galaxy in Vickers and Wassilief's *Deep Space CCD 
Atlas: South*, although a very faint knot appears in the position of the 
star in the blue survey.

The existence of the new star was confirmed visually by D. Nitschki, and 
by Steve Quirk using his 0.31-m reflector (2-min unfiltered exposure); a 
measurement of the variable via Astrometrica software yields red mag 
14.3 and a position of:
RA 14h 18m 25.6a DEC -43 22' 54" (2000).

OJ287
Roger Pickard, England reports observations of this object (see TA 
E-Circular 2373):
2007 Sep  4.179 14.24 CCDV.
2007 Sep 11.177 14.4  CCDV (14.3 CCDR).

SUPERNOVAE 2007hk, 2007hl, 2007hm, 2007hn, 2007ho, 2007hp
Further supernova discoveries from The "Nearby Supernova Factory" 
collaboration. The tabulated R-band discovery magnitudes and astrometry 
below were derived from comparison with the USNO-B1.0 catalogue (CBET 
1050):

SN       2007 UT       R.A. (2000.0) Decl.      Mag.    z      Type
2007hk   Aug. 31.2   20 47 57.16  - 5 24 25.9   18.4   0.04    Ia
2007hl   Aug. 31.2   20 50 07.76  - 1 58 36.4   19.5   0.06    Ib/c
2007hm   Aug. 31.2   20 57 55.47  - 7 23 24.1   18.3   0.02    II
2007hn   Aug. 31.2   21 02 46.85  - 4 05 25.2   18.6   0.03    Ib/c
2007ho   Aug. 31.2   21 22 50.97  -21 08 42.5   19.5   0.07    Ia
2007hp   Sept. 1.3    0 38 01.48  -14 57 48.3   19.5   0.11    Ia

KAPPA CYGNIDS 2007
P. Jenniskens, SETI Institute, notes on CBET 1055 that unusual rates of 
bright kappa Cygnid meteors were reported by numerous observers in the 
period 2007 Aug. 10-19.  Many kappa Cygnids exhibited irregular light 
curves and end flares.  The bright meteors were recorded by the Spanish 
Meteor Network. Around Aug. 13d00h UT, K. Miskotte and C. Johannink, 
Dutch Meteor Society (DMS), calculated that the kappa Cygnid rate was 
about ZHR = 5 meteors per hour but noticed unusually bright meteors; 
they photographed a kappa Cygnid of magnitude -6 from near 
Grevesmuehlen, Germany. Bright kappa Cygnids were noticed previously in 
1978, 1985, 1993, and 1999.

Guy M Hurst