The moon was bright and so clear tonight, and Rupes Recta, also known as the Lunar Straight Wall, was nicely visible. It is visible only when the lighting and angle of the sun is just right.

Celestron C5 Spotting Scope, Skywatcher AZ-GTE, Sony a6000 camera

Raw file processed with DXO 6 photolab 6 and finished in Photoshop