Craters Ptolemaeus, Alphonsus, and Arzachel

Posted by DaveMitsky
on Thursday, February 12, 2009

by Dave Mitsky

This is an eyepiece projection photo that I took with the ASH 17" f/15 classical Cassegrain and a Pentax K1000 SLR camera. Ptolemaeus is the large crater at the top of the picture. Rupes Recta or the Straight Wall, which also has the nickname of the Scimitar, is to the lower left of center.

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