Sol 4120, August 27, 2015. After the Rock Abrasion Tool (RAT) removed the surface layer on Pvt. Robert Frazer6, Opportunity’s Microscopic Imager moved in for a close-up view. The image at right is a four-frame composite. Click to enlarge.
Pvt. Robert Frazer is the name of an outcrop on Marathon Valley’s floor. Each separate target on the outcrop receives a sequential ID number, hence Pvt. Robert Frazer6.
Opportunity raw images, its latest mission status, a location map. and atmospheric opacity, known as tau.