Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J09454879+5840073

PSN J09454879+5840073   2013 02 15.70  *  09 45 48.79 +58 40 07.3  18.2 U   15E   2S            9 9 

2013 02 15.70

We discovered this object on Feb.15.70 2013 UT in the Tsinghua University-NAOC Transient Survey (TNTS),and the magnitude of the object on unfiltered CCD was about 18.2 mag.

2013 02 17.450

This possible supernova in USNOA2 1425-07383417 was detected with 5 x 15 min images using a luminance filter Astrometry: RA 09 45 08.80 Dec +58 40 07.6 (note end-RA discovery 48.79) Photometry: 18.21 +/- 0.12 These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information http://www.flickr.com/photos/43846774@N02/8484153372/

2012 02 18.8854

Mag.: 18.0(Rc) R.A.: 09 45 08.71; Decl.: +58 40 09.2 (2000.0) Observer: Massimiliano Martignoni - Observatory: Stazione Astronomica Betelgeuse (B75), Magnago, Italy Telescope: Schmidt-Cassegrain 0.25m-f/10.0 - CCD: KAF0261E

2013 02 19.92556

This object was observed by Federica Luppi and Luca Buzzi from Schiaparelli Observatory, Varese, Italy. In a stack of images totalling 5 minutes of unfiltered exposure time, the object has position end figures 08s.64, 07".3 and magnitude 17.9. Image posted at URL http://www.astrogeo.va.it/pub/TOCP/PSN_J09454879+5840073.jpg