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OP: "This is my most advance moon photograph EVER it consist of 81000 images and over 708GB of data." (see comments.)
(mander.xyz)
From the other place: https://www.reddit.com/r/space/comments/1dmibwd/this_is_my_most_advance_moon_photograph_ever_it/
Pics too good to miss. :)
They didn't. What they did was take 81,000 images and then filter through, them taking the best images of each region of the Moon and then averaging and compositing those.
It isn't 81k images stitched together. It's 81k images taken in the hopes of getting enough with perfect clarity to create the composite.