The Big Dipper over Castle Mountain, Banff, on a partly cloudy and dewy night. Taken as part of a 150-frame time-lapse. With the 24mm lens and Canon 5D MkII for 30 seconds at f/2 and ISO 1600.
The waxing gibbous Moon above the blue shadow of the Earth and pink Belt of Venus band, with dark blue crepuscular rays converging on the anti-solar point in the east, at sunset, from the badlands of Dinosaur Provincial Park, Alberta. Part of a 450-frame time-lapse sequence, taken with the Canon 5D MkII and 24mm lens on the Radian motion controller.
The summer Milky Way over the Log Cabin at the Reesor Ranch, July 16, 2013. This is a stack of 5 x 4 minute tracked exposures for the sky + one 4 minute untracked exposure for the ground. Each at f/2.8 with the 15mm lens and Canon 5D MkII at ISO 1600.