The Moon as <a href="https://en.wikipedia.org/wiki/Apollo_15" class="extiw" title="en:Apollo 15">Apollo 15</a> travels back to Earth. <a href="https://en.wikipedia.org/wiki/Mare_Australe" class="extiw" title="en:Mare Australe">Mare Australe</a> is in the centre. The crater Humboldt is in the lower centre. Near the top on the terminator <a href="https://en.wikipedia.org/wiki/Vallis_Schr%C3%B6dinger" class="extiw" title="en:Vallis Schrödinger">Vallis Schrödinger</a> is visible, with <a href="https://en.wikipedia.org/wiki/Sikorsky_(crater)" class="extiw" title="en:Sikorsky (crater)">Sikorsky</a> crater cutting across it.
NASA (image by <a href="https://en.wikipedia.org/wiki/Apollo_15" class="extiw" title="en:Apollo 15">Apollo 15</a>)
1971
<a rel="nofollow" class="external free" href="http://www.hq.nasa.gov/office/pao/History/alsj/a15/as15-96-13085HR.jpg">http://www.hq.nasa.gov/office/pao/History/alsj/a15/as15-96-13085HR.jpg</a> (<a rel="nofollow" class="external text" href="http://www.lpi.usra.edu/resources/apollo/frame/?AS15-96-13085">other link</a>)