Lod (top) and Bok (bottom) craters on Mars.  Mosaic of two Viking 1 images from camera A (4A51 and 4A53).  Clear filter was used for these images.  Resolution is about 40 m/pixel.  Despeckled, contrast and brightness adjusted, and rotated so that approximate north is at top.<br><p>Emission Angle: 15<br>
Incidence Angle: 65<br>
Latitude: 20.8<br>
Longitude: 328.4<br></p>
Phase Angle: 61
James Stuby based on NASA images
<a rel="nofollow" class="external text" href="https://pilot.wr.usgs.gov/">PILOT</a>, Planetary Image Locator Tool, USGS Astrogeology Science Center