Mercury - Mariner 10
Photomosaic including Copley ray crater, Mercury
Mariner 10 photomosaic of SW Discovery quadrangle, Mercury.
The bright-rayed crater at the upper left is Copley, diameter
30 km, centered at 37.5 S, 85.5 W. The mosaic was made from
images taken during the first two flybys. North is up.
(Mariner 10, Atlas of Mercury, Fig. 11-C)