The Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) experiment (martian spacecraft)
NASA
<a rel="nofollow" class="external free" href="http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=1996-062A-01">http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=1996-062A-01</a>