Sol 4779, July 4, 2017. As Opportunity continued its examination of the trough that aligns with Perseverance Valley, it drove 30 meters (99 feet) to the northeast. There it parked and took a Navcam three-frame composite looking generally east. Note the number of wheel tracks showing the rover’s path as it has surveyed the terrain at the head of the valley. (Click image to enlarge it.)
Opportunity raw images, its latest mission status, location map, and atmospheric opacity, known as tau.