<a href="https://en.wikipedia.org/wiki/Ohm_(crater)" class="extiw" title="en:Ohm (crater)">Ohm</a> crater, on the far side of the moon, showing much of its bright ray system.  Image width is approximately 620 km.  <a href="https://en.wikipedia.org/wiki/Clementine_(spacecraft)" class="extiw" title="en:Clementine (spacecraft)">Clementine</a> UVVIS 750 nm mosaic.
NASA
<a rel="nofollow" class="external text" href="http://jmars.asu.edu">JMARS</a> software