Between 22:19:59 UTC and 22:22:32 UTC Opportunity’s Pancam takes three images with narrowband filters in the three basic colors, from which it was possible to derive this extraordinary true-color image of these Martian rocks.
Note the rock in the lower left, greenish-blue on one side reddish at the top; not that the others are any less important, quite the contrary!
Unprocessed (raw) RGB HD image: https://image.ibb.co/iBOV2H/Oppy_Sol5049_02.jpg
Original BN images:
Red (735nm with 20nm bandwidth)
22:19:59 UTC
13:26:48 LTST https://mars.nasa.gov/mer/gallery/all/1/p/5049/1P576406562EFFD225P2352L2M1.HTML
Green (535nm with 20nm bandwidth)
22:22:18 UTC
13:29:03 LTST https://mars.nasa.gov/mer/gallery/all/1/p/5049/1P576406701EFFD225P2352L5M1.HTML
Blue (432nm with 32nm bandwidth)
22:22:32 UTC
13:29:17 LTST https://mars.nasa.gov/mer/gallery/all/1/p/5049/1P576406715EFFD225P2352L7M1.HTML
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