chiaroscurography: Surface of the Moon, photographed by Apollo 15 mapping mission, 31st July 1971.
The bright crescent at top left is the illuminated rampart of Timocharis Crater (named for the ancient Greek astronomer). The twin craters at top right are Feuillée (above, named for 18th century French explorer and scientist Louis Feuillée) and Beer (below, named for 19th century Prussian financier and astronomer Wilhelm Beer). All of the above are within the Mare Imbrium (Sea Of Rains); this image is centred around 24°N 11°W. [AS15 0425]
Image credit: NASA/JSC/ASU.