<a href="https://en.wikipedia.org/wiki/Lacus_Perseverantiae" class="extiw" title="en:Lacus Perseverantiae">Lacus Perseverantiae</a> on the Moon.
James Stuby based on NASA image
<p>Oblique <a href="https://en.wikipedia.org/wiki/Apollo_17" class="extiw" title="en:Apollo 17">Apollo 17</a> Mapping camera image, cropped in Gimp to show Lacus Perseverantiae and surrounding terrain, facing south.<br>The original image is in the public domain because it is a work of the U.S. Government (<a href="https://en.wikipedia.org/wiki/NASA" class="extiw" title="en:NASA">NASA</a>).<br></p>
<b>Immediate source</b>: Lunar and Planetary Institute, Apollo Image Atlas<br>Mapping Camera Image Catalog, Apollo 17, <a rel="nofollow" class="external text" href="http://www.lpi.usra.edu/resources/apollo/frame/?AS17-M-1631">AS17-M-1631</a>