Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J12255692-0358388

PSN J12255692-0358388   2013 05 18.15  *  12 25 56.92 -03 58 38.8  17.3 U    9E   4S            D 9

2013 05 18.902

this possible supernova has been imaged at Mandi Observatory with a 0.45m f:4.5 telescope + CCD near Leda 157753 galaxy, position: 12:25:56.63 -03:58:38.5 in 5 coadded 120s unifiltered images. Estimate magnitude: 17.0m - Observer Paolo Corelli-Pagnacco-Italy

2013 05 19.1989

Photometry results were V=16.75 and I_c=16.45 with 0.43-m f/6.8 astrograph + FLI-PL6303E CCD camera + f/4.5 focal reducer (T21, iTelescope.NET, Mayhill, USA). Image available at http://meineko.sakura.ne.jp/ccd/PSN_J12255692-0358388-130519.jpg Seiichiro Kiyota (Tsukuba, Japan)

2013 05 19.247

This possible supernova in PGC 157753 was detected with 4 x 5 min images using a luminance filter Astrometry: RA 12 25 56.73 Dec -03 58 39.1 Photometry: 16.38 +/- 0.05 L (V for ref) These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/8756019073/

2013 05 20.316

Follow-up This possible supernova in PGC 157753 was detected with 50 x 0.5 min images using a luminance filter Astrometry: RA 12 25 56.73 Dec -03 58 40.0 Photometry: 16.24 +/- 0.05 L (V for ref) These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/8759120955/

2013 05 23.238

Follow-up This possible supernova in PGC 157753 was detected with 90 x 0.5 min images using a luminance filter Astrometry: RA 12 25 56.70 Dec -03 58 40.0 Photometry: 16.44 +/- 0.21 L (V for ref) These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/8838816148/