Keywords: Purbach crater 4108 h1.jpg Purbach on the moon Reprocessed Lunar Orbiter 4 image cropped in Adobe Photoshop to show Purbach crater and surrounding terrain The two white spots along the top of the image are artifacts of the original photo The original image should be public domain as it is a work of the U S Government NASA <br/> Immediate source Lunar and Planetary Institute Lunar Orbiter Photo Gallery<br>Lunar Orbiter 4 image 108 h1 http //www lpi usra edu/resources/lunarorbiter/images/preview/4108_h1 jpg created 2013 original image acquired 1967 James Stuby based on NASA image<br/> Jstuby wikipedia en Cc-zero Original upload log en wikipedia Purbach+crater+4108+h1 jpg wikitable - 2013-05-29 02 57 1107×1051× 280458 bytes Jstuby Purbach crater on the moon Reprocessed Lunar Orbiter 4 image cropped in Adobe Photoshop to show Purbach crater and surrounding terrain The two white spots along the top of the image are artifacts of Photos of the Moon by Lunar Orbiter spacecraft |