The Big Dipper and an Iridium satellite flare just above the trees. A purple aurora is at right and the sky is also tinted with green airglow. This is a single frame from a time-lapse sequence, taken with the Canon 5D MkII at ISO 1600 and 24mm lens at f/2 for 30 seconds. Taken from Reesor Ranch, SK, July 12, 2013.
The Big Dipper with a purple aurora from the Reesor Ranch looking northwest to the prairie from Cypress Hills. This is a single frame from a time-lapse movie, taken with the Canon 5D MkII at ISO 1600 and 24mm lens at f/2 for 30 seconds.
