Each of these lunar phase image sets consists of 361 PNG images rendered against a transparent background at 1-degree intervals of phase from 0 to 360 degrees and in various sizes, as high-resolution, photo-realistic images. 

The phase image sets are provided in four sizes:

DIMENSIONS              APPROX. SIZE
128  x 128 pixels          3.79 meg
256  x 256                12.38 meg
512  x 512                46.43 meg
1024 x 1024              181.56 meg

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Unless otherwise indicated, all rendered images are released under the provisions of the Creative Commons Attribution-ShareAlike 3.0 license.
https://creativecommons.org/licenses/by-sa/3.0/us/legalcode

Jay Tanner - 2017