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Star Trails over Columbia Icefields

By: Alan Dyer

 

Region: Americas

Site: Jasper National Park - Canada

Spot: Columbia Icefields

Date: 2014 September 6

The stars setting into the west over the Columbia Icefields and Athabasca (left) and Stutfield (right) glaciers, and Snowdome peak. I shot this under very clear skies and a bright waxing gibbous Moon off frame at left. I shot this from the moraine at the upper parking lot.
This photo composite is a stack of 100 frames, each 20 seconds at f/2.8 with the 16-35mm lens at 22mm and Canon 5D MkII at ISO 1000. One frame was selected for the foreground, to ensure sharp shadows. Two other frames supply the point-like stars at the beginning and end of the trails. Stacked with Advanced Stacker Plus actions in Photoshop.

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