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Ralf Brown | all galleries >> Pittsburgh Albums >> Digicam Astronomy > Star Trails
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18 November 1999 Ralf Brown

Star Trails

Pittsburgh, PA

A composite of a series of 15-second exposures shows the movement
of the stars due to the earth's rotation. The gaps in the trails are the
result of the camera pausing to wait for its buffer to empty after every
sixth image.


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