2017 Solar Eclipse

A timelapse composite of the August 2017 solar eclipse over North America

Eleven photos, each approximately seven minutes apart, capture the progression of the solar eclipse on 21 August. Passing clouds resulted in slight variations between images—visible in the 5th and 7th exposures—but cleared as totality approached.

The photographs were taken from the Fults Hill Prairie Nature Preserve near Prairie du Rocher, Illinois (100 km south of St. Louis). I used my Sony RX100, fitted with deconstructed eclipse glasses to serve as a solar filter. The final, unfiltered frame of totality is a 1/60 second exposure at f/5.6, ISO 125.

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