Reconnaissance Orbiter shows the Mars Exploration Rover Opportunity near the rim of Victoria Crater. Victoria is an impact crater about 800m (half a mile) in diameter at Meridiani Planum near the equator of Mars. Opportunity is the dot at the centre of the zoomed image. (Nasa/JPL/UA)
This is the view from the rover.
Check out the astronomy picture of the day. Careful, it's a big picture.