Bruce Murray Space Image Library
Triton's crescent in color (high-pass filtered)
Filed under pretty pictures, amateur image processing, Voyager 1 and 2, Triton, Neptune's moons, global views
High-pass filtering of a digital image emphasizes small-scale details over large-scale variations in color (such as those caused by the way that solar illumination changes from Triton's bright limb to its dark terminator).
NASA / JPL / Ted Stryk
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
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Original image data dated on or about August 26, 1989
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