Sol 4816, August 11, 2017. Following a 10.5-meter (35-foot) drive downslope, Opportunity used the Navcam to shoot a semi-panorama looking back uphill. (Click image to enlarge it.)
From the Opportunity Status Report through Sol 4814: “…Opportunity is located in Perseverance Valley on the west rim of Endeavour crater and has resumed normal science activities post-conjunction… Since winter is now approaching, energy levels are dropping. Sol 4812 (August 6, 2017) was used as a recharge sol for the rover with no activity other than short wake ups for communication. On Sol 4813 (August 7, 2017), Opportunity drove for the first time since conjunction, however the drive stopped short after 11 feet (3.5 meters) when the rover encountered some difficult terrain while turning. The next sol was used to bump the rover about 4 feet (1.2 meters) to get it away from the challenging rocky outcrop…” [More at link]