Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J03213648+2233461

PSN J03213648+2233461   2011 11 30.26  *  03 21 36.48 +22 33 46.1  17.6 U        15S            D 0

2011 12 1.475

PSN J03213648+2233461 This possible supernova in PGC 1672321 was seen with 57 x 0.5 min images Astrometry: RA 03 21 36.49 Dec 22 33 45.7 Photometry: 18.2 +/- 0.2 L These data were collected by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/6438246969/

2011 12 04.3232

L. Elenin (Lyubertsy, Russia) confirm an apparent supernova PSN J03213648+2233461. Object visible on 3x300-sec images remotely taken at ISON-NM Observatory (Mayhill, NM, USA) with 0.45-m f/2.8 telescope + CCD (KAF09000) on Dec. 04.3232. Object located at 03h 21m 36s.47 +/- 0".1, +22d 33' 46".6 +/- 0".1 (NOMAD) and have magnitude about 17.2U (mag. limit ~19.8m). Nothing is visible at this position on the POSS and POSSII images. Image of PSN J03213648+2233461 available at http://spaceobs.org/images/TOCP/PSNJ03213648+2233461-20111204.png

2011 12 06.9478

Photometry: 17.8 +/-0.1 U Astrometry: RA 03 21 36.49 Dec. +22 33 46.3 (equinox 2000.0). GiaGa Obs. Pogliano Milanese (MI) Italy (MPC 203). 0.28m f/6.8 Schmidt-Cassegrain + ST8XME, UCAC-2 reference stars exp. 18 min. (average of 6 images, each 180 sec.). Observers S. Foglia, G. Galli

2011 12 10.98848

This object was observed by Federica Luppi on 2011 12 10.98848 from Schiaparelli Observatory, Varese (Italy). In a stack of images totalling 12 minutes of exposure time with Bessell R filter, the object has position end figures 36s.47, 46".4 and magnitude 18.9.

2011 12 15.93

Padova-Asiago Spec ID: Type Ia Supernova about two weeks after maximum light.