Twilight at Saskatchewan River Crossing, Banff, Alberta, Sept 3, 2011, with the waxing crescent Moon in the southwest sky. Taken from the overlook near the Sask River Resort off the Icefields Parkway. Looking toward the Saskatchewan and Howse Rivers, with Mt. Cephren the prominent peak at left. This is a 6-image High Dynamic Range stack of exposures taken at 2/3rd f-stop intervals, using the Canon 7D at ISO 100 and 10-22mm lens at 22mm and f/5.6.
Twilight at Saskatchewan River Crossing, Banff, Alberta, Sept 3, 2011, with the waxing crescent Moon in the southwest sky. Taken from the overlook near the Sask River Resort off the Icefields Parkway. Looking toward the Saskatchewan and Howse Rivers, with Mt. Murchison the prominent peak at left. This is a 6-image High Dynamic Range stack of exposures taken at 2/3rd f-stop intervals, using the Canon 7D at ISO 100 and 10-22mm lens at 22mm and f/5.6.
The type of sky astronomers love to see at a star party — here we see crepuscular rays and a clear twilight over the campground of Starfest 2011 in southern Ontario, Canada. A single exposure of 1/40th sec and ISO 500 with Canon 7D camera.