The northern autumn stars and constellations rising in the east over the Badlands of Dinosaur Provincial Park in Alberta. There was copious green airglow this night, plus some dim aurora to the NE. Capella is at far left. The Pleiades is just rising over the hill. M31 is at centre.
This is a composite of 5 x 4.5 minute exposures, tracked on the Star Adventurer for the sky, plus 4 x 4.5-minute exposures, untracked, for the ground. All with the 15mm lens at f/3.2 and Canon 5D MkII at ISO 1600.
The Amazing Sky 