------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 2872 2012 Nov 29 20.26UT 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 ------------------------------------------------------------------- HT CASSIOPEIAE The AAVSO records shows that C Chiselbrook has observed HT Cas (eruptive variable) in outburst on 2012 Nov 29.067 at visual magnitude 13.1. Arto Oksanen, Finland, confirms the outburst on 2012 Nov 29 (15:20UT) at V=13.27. MASTER OT J064643.02+412059 Further to the notice on TA E-Circular 2870 of the discovery of this optical transient, Len Adam has again confirmed the event on an image secured using the iTelescope.net T11 telescope at New Mexico on 2012 Nov 25 at 08h55mUT at magnitude 17.1. The telescope is a 0.50-m f/6.8 astrograph + CCD + f4.5 local reducer. SUPERNOVA 2012ff (LOSS) 2012ff Aug 21.38 23 05 48.71 +14 19 56.4 19.2 1.5"W 3.3"N J. M. Silverman: spectrum Sept 7 type-Ia. Announced Oct 1. SUPERNOVA 2012fg IN NGC 2857 (MASTER) 2012fg Oct 7.06 09 24 37.95 +49 21 32.0 14.5 2 "E 6 "N G. H. Marion: spectrum Oct 13. Combined with photometric results from Konkoly data suggest that 2012fg is a type-II-P supernova about 10-15 days after explosion SUPERNOVA 2012fh IN NGC 3344 (MASAKI TSUBOI) 2012fh Oct 18.85 10 43 34.05 +24 53 29.0 15.1 40 "E 112 "S Image posted at website URL http://www.palette.furukawa.miyagi.jp/space/images/2012/PSNin3344_121020. jpg) L. Tomasella: spectrum Oct 20; features are typical of supernovae with evolved stripped envelopes (type-Ib/c and type-IIb supernovae) SUPERNOVA 2012fi IN PGC 17166 (CSS) 2012fi Oct 10.42 05 21 25.93 -16 52 55.9 18.0 11.2"E 21.9"S F.-Y. Bian: spectrum Oct 19 type-IIP about one month after maximum SUPERNOVA 2012fk NEAR PGC 9572 AND PGC 9568 (MASTER) 2012fk Oct 20.71 02 30 52.04 +22 28 45.9 16.7 19.7"E 33.2"N L. Tomasella: spectrum Oct 22 type-Ia near maximum light SUPERNOVA 2012fl (CSS) 2012fl Oct 13.36 02 56 04.38 +00 56 01.0 19.2 1.2"E 0.3"N L. Tomasella: spectrum Oct 22 type-Ia a few days after maximum Guy M Hurst