NIST physicist Irvine C. Gardner designed a 4-meter long eclipse camera with a 23-centimeter astrographic lens to study a total solar eclipse in 1936. The data gathered with his special camera provided new insight on the sun's corona, prominences and spectra. The camera is shown here being set-up in Siberia, Russia in 1936.
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Created August 08, 2017, Updated August 08, 2017