Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J23114884+3101004

PSN J23114884+3101004   2011 10 28.76  *  23 11 48.84 +31 01 00.4  18.3 U   19W  15S  U12410    9 1

2011 10 30.0737

Object detected at position end figures 48.73, 00 59.3 (UCAC3). Magnitude 18.1 U +/- 0.5. Limiting magnitude 19.6. Sum of 20 x 60-sec images. Nothing visible at this location on DSS. Observer: R. A. Koff, Bennett, Colorado USA (H09) Image posted at: http://antelopehillsobservatory.org/SNpictures/PSNJ23114884+3101004final.jpg

2011 10 29.9549

CCD magnitude measures taken on October 29, 2011 at 22:55 UT, show the PSN J23114884+3101004 at magnitude +17.2 C (Col Drusciè observatory - telescope Ullrich, Newton 20" - A. Dimai, Italian Supernovae Search Project).

2011 10 29.9759

This object was observed by Federica Luppi with a 0.36-m f/7.9 reflector + CCD + Bessell R filter from Schiaparelli Observatory, Varese, Italy. In a stack of images totalling 21 minutes of exposure time, the object has position end figures 48s.80, 00".6 and magnitude 18.2 (CMC-14 catalogue). Nothing is visible in DSS images. Image posted at URL: http://www.astrogeo.va.it/pub/TOCP/PSN_U12410.jpg

2011 10 29.97

Padova-Asiago Spec ID: SNII few days after explosion

2011 10 30.140

This possible supernova in UGC 12410 was seen with 5 x 600 sec images using a clear filter. Astrometry: RA 23 11 48.81 Dec 31 01 00.4 Photometry: 18.0 +/- 0.2 C These data were collected by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/6298160700/