Monday, May 10, 2010

Photography's Longest Exposure

six months. thats right, six whole months. Taken by photographer Justin Quinnell, he strapped the camera to a telephone pole overlooking the Gorge, where it was left between December 19, 2007 and June 21, 2008--the Winter and Summer solstices. (That's a 15,552,000 second exposure.)

This image was captured on a pin hole camrea made from an empty soda can with a 0.25mm aperture, and a single sheet of photographic paper.

Called 'solargraph', the photo shows the sun's luminescent trails change of course caused by the Earth's orbit. The lowest arc is the first day of exposure on Winter solstice, while the top curves were captured mid-Summer, while the dotted lines are the days where it was forecast.


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