A fairly mild dispay of aurora over the lake at Police Outpost Provincial Park, in southern Alberta, on September 26, 2016, with the stars of Auriga and Taurus rising, including the Pleiades at upper right. The Hyades in Taurus are the most prominent stellar reflections at lower right, in the still water this evening. Capella is the bright star above centre; Aldebaran is at right. This is a stack of 4 x 20 second exposures for the dark ground to smooth noise and one 20-second exposure for the sky and water, all with the 25mm Canon lens at f/2.2 and Canon 6D at ISO 3200. Taken with dark frame LENR on.
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.
