The Sun2014 by Alan Friedman

Alan Friedman captured this image on September 7, 2014, using a PGR Grasshopper Express 6 megapixel camera and a 90mm Coronado calcium-K telescope (provided courtesy of Dennis Zywiczynski). Friedman inverted the tonality of the sun's surface so that the cooler regions appear lighter and the hotter regions darker. (
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Tags: sun
Media: photography