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Grand Tetons and autumn sunrise by Wayne Finehout
This was an early morning shot made just before sunrise. Exposure was 47 seconds ISO 100 with a Nikon D700, 28-70 mm f/2.8 Nikkor at f/22 with focal length 28mm. Used Lee ND .9 and .6 filters to lengthen exposure time.
The exposure was long enough to make the clouds appear to streak across the frame.