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Here's a shot of a color chart on the moon from Apollo 17 (AS17-137-20900): https://tothemoon.im-ldi.com/data_a70/AS17/extra/AS17-137-20900.small.png https://t

• gowld 1y ago
  Is there a document that explains that color chart? This version shows different shades of colors: https://eol.jsc.nasa.gov/SearchPhotos/photo.pl?mission=AS17&roll=137&frame=20900 https://eol.jsc.nasa.gov/SearchPhotos/photo.pl?mission=AS17&...
  • rtkwe 1y ago
    The first one has been adjusted to bring out the contrast and saturation while the one you link is an original scan. They brought a number of different swatches like that and took a picture of a calibration array at the end to account for the effects of space exposure on the film.
    • pgreenwood 1y ago
      The one I posted is from an original scan.
      • rtkwe 1y ago
        Doesn't mean it hasn't been altered before posting to juice the shadows and make it more vibrant. The one from NASA's site looks like an unaltered scan.
  • pgreenwood 1y ago
    I think we are looking at different scans. See: https://tothemoon.im-ldi.com/about https://tothemoon.im-ldi.com/about