With a 158 kilometers of diameter Ptolemaeus may be spotted just using 10x magnification, through binoculars or telescopes. Small craters may be observed inside, but only using high power telescopes. In this image one of them is clearly visible and another smaller one may be guess to the West.

by Anonymous on 2009-05-04 10:25:42 [Original Size] - [Next Image] - [Author's gallery]