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THE ASTRONOMER Electronic Circular No 2952      2013 Sep 30 18.17UT
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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SUPERNOVA 2013fl IN UGC 10908 
On 2013 Sept 23 an e-mail was received from Tom Boles of Coddenham, England,
reporting discovery of a possible magnitude 17.6 supernova
on unfiltered CCD images taken on 2013 Sep 22.882 with a 0.35-m
Schmidt-Cassegrain telescope during searches for the UK Nova/Supernova
Patrol.  The new object is located at:
RA 17h 33m 39.53s DEC +50o 22' 25.5" (2000), approximately 16.7"E and 1.2"N
of the centre of the galaxy UGC 10908.

Nothing is present at this position on Tom's images of 2013 May 2 and of
June 6 (limit 19.5) nor on the Digised Survey plates of 1987 Apr 24 (limit
red 20.5) and 1987 May 4 (limit blue 21.0). 

Ron Arbour recorded it on Sept 23.79UT at 17.5 (0.35-m f/6 reflector, end
figures 39.57s, 25.8"). Nick James measured 17.0 on Sept 23.81, C11 + ST8XE,
end figures 39.54s, 25.4").

Tianmeng Zhang, National Astronomical Observatories of China et. al., report
an optical spectrogram was obtained on Sept.
25.48 with the 2.16-m telescope at the Xinglong Station of the NAOC.  The
spectrum is consistent with that of a type-IIP supernova a few days after
maximum light.

Congratulations on Tom's 154th supernova.

Guy M Hurst