M63 = NGC 5055

Taken By: Samara4
When taken: May 30, 2013
09:19:55 UTC
RA: 13h15'51" DEC: 4201'37"
Filter: RGB Exposure time: 300 secs.

2013 05 05.750
Discovered by M. Tsuboi, Hiroshima, Japan, on a frame (limit mag.= 17.9) using 0.25-m f/4.7 reflector + unfiltered CCD, which was confirmed on a survey frame taken on 2013 May 1.773 UT (limit mag.= 18.6) as a star of mag.= 15.9, who writes nothing is visible at this location on a frame taken on 2013 April 30.534 UT (limit mag.= 18.6). Discovery image is posted at http://tenku.dee.cc/PSN/NGC5055130506-02.jpg and pre-discovery image is also put at http://tenku.dee.cc/PSN/NGC5055130502-02.jpg.
2013 05 06.548
No supernova mag ]17 : http://www.k-itagaki.jp/images/ngc5055.jpg

Catalogue of Seyfert Galaxies (Lipovetsky+, 1988)