M82 - Supernova 2014J
Messier 82 in Ursa Major, sometimes called the Cigar Galaxy. Supernova 2014J was discovered on January 21st, it is the closest Type 1a supernova for 40 years.
Image captured with an Atik 16-ICS camera on a 303mm f/4 Newtonian telescope. 15x60s exposures unguided with a CLS filter.
Magnitude of the supernova estimated to be around 11.0