Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J12545218-1014502

PSN J12545218-1014502   2012 03 14.45  *  12 54 52.18 -10 14 50.2  13.8 U    4E   2N  N4790     D 9

2012 03 15.3347

L. Elenin (Lyubertsy, Russia) and I. Molotov (Moscow, Russia) confirm an apparent supernova PSN J12545218-1014502. Object visible on 3x120sec images remotely taken at ISON-NM Observatory (Mayhill, NM, USA) with 0.45-m f/2.8 telescope + CCD (KAF09000) on Mar. 15.3347. Object located at 12h 54m 52s.25 +/- 0".2, -10d 14' 50".6 +/- 0".1 (NOMAD) and have magnitude about 13.2U (mag. limit ~20.0m). Nothing is visible at this position on the POSS and POSSII images. Image of PSN J12545218-1014502 available at http://spaceobs.org/images/TOCP/PSNJ12545218-1014502-20120315.png

2012 03 15.319

This possible supernova in NGC 4790 was seen with 3 x 15 min images Astrometry: RA 12 54 52.22 Dec -10 14 50.8 Photometry: 13.6 +/- 0.1 L These data were collected by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/6839966426/

2012 03 16.4571

Object detected at position end figures 52.16, 50.7 (UCAC3). Magnitude 13.0 U +/- 0.1. Limiting magnitude 17.4. Used average of measurements from five individual images. Nothing except galaxy background visible on DSS. Observer: R. A. Koff, Bennett, Colorado USA (H09). Image posted at: http://antelopehillsobservatory.org/SNpictures/PSNJ12545218-1014502final.jpg

2012 03 15.289

Type Ib, as reported in http://www.astronomerstelegram.org/?read=3968