This 360-degree mosaic of images from the navigation camera on NASA's Mars Exploration Rover Opportunity shows the view from the western rim of "Santa Maria" crater on the the 2,454th Martian day, or sol, of Opportunity's work on Mars (Dec. 19, 2010). South is at the center, north at both ends.
The crater is about 90 meters (295 feet) in diameter. This view is presented as a cylindrical projection.
NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Exploration Rover Project for the NASA Science Mission Directorate, Washington.