Oblique view of Mare Tranquillitatis, on the moon.  The view shows the mare surface about 25 km east of the Apollo 11 landing site (Tranquility Base).
NASA
1969
Apollo Flight Journal, Apollo 10, Photography Index, <a rel="nofollow" class="external text" href="https://www.hq.nasa.gov/office/pao/History/afj/ap10fj/photos/29-p.html">70-mm magazine P</a>, image <a rel="nofollow" class="external text" href="https://spaceflight.nasa.gov/gallery/images/apollo/apollo10/hires/as10-29-4321.jpg">AS10-29-4321</a>