------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 2945 2013 Aug 21 18.35UT 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 ------------------------------------------------------------------- PLUTO OCCULTS 1B 699-646427, 2013 Aug 22 2101UT Tim Haymes has asked us to circulate this appeal relating to a predicted occultation by Pluto: A prediction update is available which indicated no significant track shift. Observers who can carry out differential photometry of Pluto to detect 0.1 mag. or have sensitive video are requested to monitor Pluto for occultation phenomena from 10min on either side of the predicted time to get a good baseline. Pluto:  Altitude  18; Azimuth  185; Maximum duration 3-min Pluto is magnitude 14 and a 0.1mag variation (drop) would indicate an occultation. The UK is south of the centre line and could be presented with a 2- min event. Further details at: http://devel2.linea.gov.br/~braga.ribas/campaigns/ Please e-mail result to me: tvh.observatory@btinternet.com and a copy to the TA Editor. SUPERNOVA 2013em (ITALIAN SUPERNOVA SEARCH) 2013em Jly 27.04 23 02 26.62 +32 31 31.2 16.7 8 “W 6 “S P. Ochner: spectrum July 31 normal type-Ia supernova a couple of days after maximum SUPERNOVA 2013en IN UGC 11369 (ITALIAN SUPERNOVA SEARCH) 2013en Jly 30.98 18 51 37.35 +23 38 20.6 16.5 6 “W 17 “N L. Tomasella: spectrum July 31 peculiar type-Ia. The Asiago classification spectra are posted at website URL http://sngroup.oapd.inaf.it SUPERNOVA 2013eo (BACKYARD OBSERVATORY SUPERNOVA SEARCH) 2013eo Jly 31.50 20 06 57.88 -56 25 31.2 17.4r 12.6”E 13.2”S M. Childress: spectrum July 31 type-Ia near maximum SUPERNOVA 2013ep IN PGC 70151 (ITALIAN SUPERNOVA SEARCH) 2013ep Jly 29.04 22 58 30.35 +40 25 44.5 18.4 10 “E 4 “S L. Tomasella: spectrum Aug 2 young core-collapse supernova SUPERNOVA 2013eq (PIKA) 2013eq Jly 30.88 17 33 15.73 +36 28 35.2 18.5 6 “E 18 “N Report by Herman Mikuz, Slovenia. L. Tomasella: spectrum July 31 type-II shortly after explosion SUPERNOVA 2013er IN IC 850 (STUART PARKER) 2013er Jly 29.33 13 07 51.09 -00 52 00.4 17.4r 13 “E 5 “N M. Childress: spectrum July 31 type-Ia a few days before maximum SUPERNOVA 2013es (XINGMING SKY SURVEY) 2013es Aug 1.66 14 10 50.17 +55 25 24.0 18.0: 1.6”W 14.9”S L. Tomasella: spectrum Aug 1 type-II a few days after explosion SUPERNOVA 2013et IN UGC 1723 (ITALIAN SUPERNOVA SEARCH) 2013et Aug 2.08 02 14 17.05 +07 35 11.8 18.4 4 “W 6 “S L. Tomasella: spectrum Aug 8 normal type-Ia supernova around one week after B-band maximum Guy M Hurst