| areo.info / MER / Opportunity / | Sol 3821 Sol 3820 Sol 3819 |
| Sol 3820 local noon on Opportunity landing site was 2014-10-23 04:22 UTC on Earth. | last modified: 2016-01-31 21:48 UTC |
| All Mars images derived from original data published by NASA and JPL on Marsrover Image Gallery and exploratorium.edu. | |