PSN J09450355+6415366 2011 11 18.21 * 09 45 03.55 +64 15 36.6 16.2 U 2E 16N G11-12-23 9 1
2011 11 19.3160
Object detected at position end figures 03.36, 34.5 (UCAC3). Magnitude 15.3 U +/- 0.2. Limiting magnitude 18.4. Average of 15 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/PSNJ09450355+6415366final.jpg
2011 11 19.11707
This object was observed by Federica Luppi and Luca Buzzi from Schiaparelli Observatory, Varese, Italy. In a stack of images totalling 9 minutes of unfiltered exposure time, the object has position end figures 03s.40, 35".0 and magnitude 15.1 (PPMXL catalogue). Image posted at URL:http://www.astrogeo.va.it/pub/TOCP/PSN_G11-12-23.jpg
2011 11 20.512
This possible supernova in PGC 27923 was seen with 7 x 600 sec images using a luminance filter Astrometry: RA 09 45 03.47 Dec 64 15 35.0 Photometry: 15.6 +/- 0.05 L These data were collected by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/6372205161/
2011 11 20.08
Asiago-Padova Spectroscopic ID: Type Ia SN about 9 days before the B band maximum