Related terms:
sky survey
magenta and yellow
photographic materials
color separations
thomas sutton
dye coupler
digitized sky survey
color prints
seen three
observatory's
light exposure
large telescopes
glass plates
elsie's
sergei mikhailovich
schmidt telescope
three layers
cottingley fairies
richard ellis
sir arthur conan
tombaugh
Wikipedia sources:
Photographic plate
Lalande 21185
Clyde Tombaugh
Color photography
Field of view
Cottingley Fairies
Palomar Observatory
Context for words:
photographic
plates
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