| areo.info / MER / Opportunity / | Sol 1858 Sol 1857 Sol 1856 |
| Sol 1857 local noon on Opportunity landing site was 2009-04-15 05:12 UTC on Earth. | last modified: 2016-01-31 21:44 UTC |
| All Mars images derived from original data published by NASA and JPL on Marsrover Image Gallery and exploratorium.edu. | |