This is the left-eye half of a stereo pair of mosaics created from navigation camera images acquired by NASA's Mars Exploration Rover Spirit during Spirit's sol 153, on June 8, 2004. It is presented in a cylindrical-perspective projection. Spirit is pointing toward the base of the "Columbia Hills."
See PIA06049 for 3-D view and PIA06051 for right eye view of this left eye cylindrical-perspective projection.