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Credit: NASA/JPL/Cornell

Transit of Deimos across the Sun as seen from Mars Exploration Rover Opportunity on March 4 2004. Times in the table below are Martian local solar time as given by JPL.

Original filename: http://marsrovers.jpl.nasa.gov/gallery/all/1/p/039/1P131641507ESF0544P2666R8M1.JPG [4]

The timestamp built into the filename is 131641507 seconds since the J2000.0 epoch ([5]), or March 4 2004 03:04:02.816 UTC (the three-decimal-digit precision is of course not real).

• Opportunity image gallery: Sol 39 archive copy at the Wayback Machine (small images of the March 4 2004 transit are near the bottom of the page).