Keywords: Kao crater Helmert crater AS17-M-2831.jpg Kao above center and Helmert below center on the moon Apollo 17 Mapping camera image rotated and cropped in Gimp <br>The original image is in the public domain because it is a work of the U S Government NASA <br/> Immediate source Lunar and Planetary Institute Apollo Image Atlas<br>Mapping Camera Image Catalog Apollo 17 http //www lpi usra edu/resources/apollo/frame/ AS17-M-2831 AS17-M-2831 created 2014 original 1972 James Stuby based on NASA image<br/> Jstuby wikipedia en Cc-zero Original upload log en wikipedia Kao+crater+Helmert+crater+AS17-M-2831 jpg wikitable - 2014-09-09 00 21 800×1000× 254172 bytes Jstuby Kao crater above center and Helmert crater below center on the moon Apollo 17 Mapping camera image rotated and cropped in Gimp <br>The original image is in the public domain because it is a w Apollo 17 moon photography |