Jpl's Bird's-eye View Of Rimrock Outcrop, Sol 652 to 663 |
Jpl's Bird's-eye View Of Rimrock Outcrop, Sol 652 to 663 |
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![]() Member ![]() ![]() ![]() Group: Members Posts: 531 Joined: 24-August 05 Member No.: 471 ![]() |
http://marsrovers.jpl.nasa.gov/gallery/pre.../20060104a.html - Bird's-Eye View of Opportunity at 'Erebus'
-------------------- - blue_scape / Nico -
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#2
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2998 Joined: 30-October 04 Member No.: 105 ![]() |
QUOTE "as seen by the eye on Mars" colors have to take into account... Let's change that to "as photographed on Mars with a digital camera white-balanced to whatever". This is equation confused by the unknown variable of human visual perception. You sit at your computer: the glow on your desk does not look bluish. Look around the room. It does not have the brownish tint of tungsten lighting. Go into the kitchen. You don't perceive the greenish fluorescent lamp hues. Go outside in late afternoon; you won't notice the warmish tones of the afternoon lighting. Get a digital camera, set the White Balance from 'auto' to 'daylight' or get a camera and put a roll of Ektachrome slide film in it. Photograph all those scenes. Develop/download and compare what the camera sees with what you saw. What do you see? --Bill -------------------- |
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