Supernova SN2011fe in M101 with a 40cmNewtonian @ F/4
Image made with the 20cm F/2.75ASA Astrograph on 25 July, 2012. It is a combination of three minute exposures.
3 x R, 3 x G, 6 x B, 3 x G and 6 x Lum with QSI583wsg and Astronomik filters. This is a cropped image, clik for the full field.
The supernova is still visible after nearly a year as a faint blue star.