Today's image is a view of Ahmad Baba, a classic Mercurian peak-ring basin. Ahmad (Ahmed) Baba was a West African writer who lived from 1556-1627. The Malian city of Timbuktu is home to the Ahmed Baba Institute, a library and research center named in his honor. The Institute is home to over 18,000 ancient manuscripts.
Date acquired: December 14, 2011
Image Mission Elapsed Time (MET): 232373246
Image ID: 1136317
Instrument: Wide Angle Camera (WAC) of the Mercury Dual Imaging System (MDIS)
WAC filter: 7 (748 nanometers)
Center Latitude: 58.43°
Center Longitude: 231.7° E
Resolution: 250 meters/pixel
Scale: The basin's main ring is about 126 km (78 mi.) in diameter.
Incidence Angle: 71.5°
Emission Angle: 0.5°
Phase Angle: 71.0°
Photo credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
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