Reprocessed Lunar Orbiter 2 image rotated and cropped in GIMP. The original image is in the public domain because it is a work of the U.S. Government (NASA).
Immediate source: Lunar and Planetary Institute, Lunar Orbiter Photo Gallery Lunar Orbiter 2, image 033, med [1]
{{Information |Description = Oblique view of [[Birkeland (crater)]], on the far side of the moon. |Source = Reprocessed [[Lunar Orbiter 2]] image rotated and cropped in GIMP.<br>The original image is in the public domain because it is a work of the U.S...