Bannack State Park, Montana
963 seconds, f/4, ISO 100
Canon 5D Mark II, 17-40mm f/4 L
The full moon was out the night I worked in Bannack State Park so I didn't expect to get any stars or star trails in my pictures. But I had located the Big Dipper and roughly guessed at the position of the North Star (Polaris). I was lucky to have the concentric star trails centered over the tree, something I couldn't see until I downloaded the images back home. The light on the land and cabin comes from the full moon.
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