The northern summer Milky Way over the Saskatchewan Summer Star Party in Cypress Hills, Saskatchewan, Canada, August 18, 2012. Taken with the Canon 5D MkII at ISO 800 and 15mm lens at f/4 for a stack (mean combined) of four 5 minute exposures, all tracked. The ground is from only one of those expoures (the gorund is masked out in the other layers).
The Amazing Sky 