The Lunar Orbiter probe series collected clips of analog video, which were stitched together on Earth to make maps. This was done by hand in the 60’s but later the video was digitized and newer maps were made by machine processes in the Lunar Orbiter Image Recovery Project from 2007 to 2014.
The initial maps were not high quality, because of changing perspective and a wide field of view images had to be distorted to stich them together, and nothing worked over large areas ... Read even more
