PSN J10100472-1146352 2013 04 25.45 * 10 10 04.72 -11 46 35.2 18.2 U 7W 7N N3139 D 0
2013 04 26.260
This possible supernova in NGC 3139 was detected with 4 x 10 min images using an infrared filter Astrometry: RA 10 10 04.82 Dec -11 46 35.4 Photometry: 17.01 +/- 0.11 IR > 700 nm (R for ref) These data were collected remotely by Joseph Brimacombe, Cairns, Australia using a 51-cm RCOS and STL11K camera. Link to image and further information: http://www.flickr.com/photos/43846774@N02/8683852223/
2013 04 27.138
L. Elenin (Lyubertsy, Russia) and I. Molotov (Moscow, Russia) confirm an apparent supernova PSN J10100472-1146352 in NGC 3139. Object visible on 3x300sec images remotely taken at ISON-NM Observatory (Mayhill, NM, USA) with 0.45-m f/2.8 telescope + CCD (KAF09000) on Apr. 27.138, 2013. Object located at 10h 10m 04s.77 +/- 0".07, -11d 46' 35".5 +/- 0".1 (UCAC-4) with magnitude 16.6U (mag. limit ~19.7m). Nothing is visible at this position on the POSS and POSSII images. Image of PSN J10100472-1146352 available at http://spaceobs.org/images/TOCP/PSNJ10100472-1146352-20130427.png
2013 04 28.230
Follow-up This possible supernova in NGC 3139 was detected with 9 x 5 min images luminance and 8 x 5 min using an infrared filter Luminance Astrometry: RA 10 10 04.79 Dec -11 46 36.2 Photometry: 17.99 +/- 0.18 L (V for ref) Infrared Astrometry: RA 10 10 04.78 Dec -11 46 36.8 Photometry: 17.66 +/- 0.30 IR > 700 nm (R for ref) These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/8718287627/