The Milky Way over Chief Mountain at Police Outpost Provincial Park, in southern Alberta, on September 26, 2016. This is a stack of frames from the start of a time-lapse sequence with the western sky still blue with evening twilight. The ground is a stack of 8 exposures, mean combined to smooth noise, while the sky is from one exposure, the first in 400 in the time-lapse. Each exposure is 20 seconds at f/2.5 with the 20mm Sigma lens and Nikon D750 at ISO 6400.
The summer and autumn Milky Way over Chief Mountain at Police Outpost Provincial Park, in southern Alberta, on September 26, 2016. Mars is just below M8 the Lagoon Nebula here. This is a stack of frames from the start of a time-lapse sequence with the western sky still blue with evening twilight. The ground is a stack of 8 exposures, mean combined to smooth noise, while the sky is from one exposure, the first in 400 in the time-lapse. Each exposure is 20 seconds at f/2.5 with the 20mm Sigma lens and Nikon D750 at ISO 6400.
The Milky Way over the distant Prince of Wales Hotel from Driftwood Beach, in Waterton Lakes National Park, September 24, 2016. Being at the end of the season, the hotel is closed and dark. The bright star at centre is Altair in Aquila. This is a stack of 4 x 30 second exposures, mean combined, to smooth noise, and one 30 second exposure for the sky, all with the Sigma 20mm lens at f/2.5 and Nikon D750 at ISO 6400.
