| areo.info / MER / Opportunity / | Sol 4857 Sol 4856 Sol 4855 |
| Sol 4856 local noon on Opportunity landing site was 2017-09-21 15:54 UTC on Earth. | last modified: 2017-10-01 13:34 UTC |
| All Mars images derived from original data published by NASA and JPL on Marsrover Image Gallery and exploratorium.edu. | |