IAU Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PSN J03083174+1425303

PSN J03083174+1425303   2014 08 28.0045*  03 08 31.74 +14 25 30.3  17.2 U    1E   7S  P1457807  9 0

2014 08 28.0045

Vladimir Lipunov reports the discovery by Vladislav Shumkov of a possible supernova with unfiltered magnitude 17.2 on the survey images (180-s exposures, limiting magnitude 19.9m) obtained by MASTER-Kislovodsk robotic telescope (0.40-m f/2.5 reflector + 4Kx4K CCD) on 2014 Aug. 28.0045 UT. The new object is located at the following position (J2000.0): R.A. = 03h08m31s.74, Decl. = +14o25'30".3 which is 1" east and 7" south of the center of galaxy PGC 1457807. D. Denisenko and E. Gorbovskoy report that nothing but galaxy background is present at this position on the images taken by the same telescope on 2011 Jan. 11.682 UT to the unfiltered magnitude limit 22.1. The discovery and reference images by MASTER are available at http://master.sai.msu.ru/static/OT/030831.74142530.3.png (see also ATel #6434, http://www.astronomerstelegram.org/?read=6434)

2014 09 02.704

This probable supernova in PGC 1457807 was detected with 7 x 5 min images using a clear filter Photometry: Mag 18.23 +/- 0.05 C (V for ref; USNOA2) Astrometry: RA 03 08 31.97 Dec +14 25 30.1 These data were collected remotely by Joseph Brimacombe, Coral Towers Observatory, Cairns, Australia. Link to image and further information: https://www.flickr.com/photos/43846774@N02/15015072080/

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