Sol 4786, July 11, 2017. The Pancam took a series of shots looking down the channel of Perseverance Valley. The round feature in the right foreground may be a small and much eroded impact crater. Click image (5.4 MB) to enlarge it.
The mission’s current Status Report notes, “Opportunity is in ‘Perseverance Valley’ on the west rim of Endeavour Crater. The rover has arrived at the location within the valley where she will spend the approximately three-week solar conjunction period…” [More at link]
Opportunity raw images, its latest mission status, location map, and atmospheric opacity, known as tau.