Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J12532935+0209390

PSN J12532935+0209390   2012 06 14.5586*  12 53 29.35 +02 09 39.0  16.3 U    3E  27S  N4772     I 0

2012 06 14.21

This object was independently discovered by S. Howerton in the SNHunt project in images taken at 2012-06-14.21. The source is noted as SNhunt136 on http://nesssi.cacr.caltech.edu/catalina/current.html. The source is seen at RA=12:53:29.26 Dec=+02:09:36.4 with V=16.4.

2012 06 14.582

Mag.= 16.2 observed by T. Noguchi, Chiba-ken, Japan. Position end figures 29s.36, 39".0 on a frame using 0.23-m f/6.3 Schmidt Cassegrain + unfiltered CCD with 50-s exposure under the limit mag.= 17.5. See an image at http://park8.wakwak.com/~ngc/images/PSNinNGC4772.jpg.

2012 06 15.18159

Mag.= 16.3, position end figures 29s.35, 38".7 (USNO-B1.0), remotely using 0.25-m f/3.4 hyperbolic astrograph + unfiltered CCD(SBIG ST-10XME) at the RAS Observatory, iTelescope network, near Mayhill, NM, U.S.A. Position and magnitude were measured on an image composed from 3-frames which were taken by each 120-seconds exposure under the limiting magnitude = 19.5. Observer T. Yusa, Osaki, Japan. Link to my image: http://space.geocities.jp/yusastar77/supernova/PSNinNGC4772_120615.htm

2012 06 15.1772

L. Elenin (Lyubertsy, Russia) and I. Molotov (Moscow, Russia) confirm an apparent supernova PSN J12532935+0209390 in NGC 4772. 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 Jun. 15.1772. Object located at 12h 53m 29s.36 +/- 0".13, +02d 09' 39".2 +/- 0".16 (NOMAD) and have magnitude about 15.8U (mag. limit ~20.3m). Nothing is visible at this position on the POSS and POSSII images. Image of PSN J12532935+0209390 available at http://spaceobs.org/images/TOCP/PSNJ12532935+0209390-20120615.png

2012 06 15.248

This possible supernova in NGC 4772 was seen with 3 x 10 min images Astrometry: RA 12 53 29.37 Dec 02 09 39.4 Photometry: 16.5 +/- 0.3 L These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information http://www.flickr.com/photos/43846774@N02/7377711798/

2012 06 15.248

This possible supernova in NGC 4772 was seen with 3 x 10 min images Astrometry: RA 12 53 29.37 Dec 02 09 39.4 Photometry: 16.5 +/- 0.3 L These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information http://www.flickr.com/photos/43846774@N02/7377711798/