Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J11071919+4622462

PSN J11071919+4622462   2012 12 04.1685*  11 07 19.19 +46 22 46.2  17.7 U    6W  14S  P33672    B 1

2012 12 04.9604

Astrometry on a stack of 3 images of this possible supernova provided end figures of RA: 19.22s and Dec: 46.3" while photometry gave mag. 17.7 unfiltered. 35cm f/6 SCT and SXVR H9. Observational data provided by Ron Arbour, Pennell Observatory, South Wonston, U.K. IAU 979.

2012 12 5.424

L. Elenin (Lyubertsy, Russia) and I. Molotov (Moscow, Russia) confirm an apparent supernova PSN J11071919+4622462. 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 Dec. 5.424. Object located at 11h 07m 19s.27 +/- 0".06, +46d 22' 46".5 +/- 0".05 (UCAC-4) with magnitude 18.0U (mag. limit ~19.4m). Nothing is visible at this position on the POSS and POSSII images. Image of PSN J11071919+4622462 available at http://spaceobs.org/images/TOCP/PSNJ11071919+4622462-20121205.png

2012 12 05.419

This possible supernova in MCG +8-20-89 was detected with 7 x 15 min images using a luminance filter Astrometry: RA 11 07 19.25 Dec 46 22 45.5 Photometry: 18.19 +/- 0.07 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@N02/8247892481/

2012 12 09.23542

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 19s.23, 45".6 and magnitude 17.0. Image posted at URL: http://www.astrogeo.va.it/pub/TOCP/PSN_P33672.jpg