2011-06-12 Supernova in M51

M51 with supernova 2011dh.
The supernova is the bright star on the edge of the galaxy to the left of the galaxy core.
Taken by D. Swindells on 2011-06-12 with a Canon EOS1000D set at 1600ISO on a Skywatcher 200PDS Telescope.
18 stacked images of 2-4 minutes each