Sunday, February 12, 2012

De Graft Crater


De Graft crater was named for 20th century Ghanaian playwright, poet, and novelist Joe de Graft following MESSENGER's second flyby of the innermost planet. De Graft is a complex crater that hosts numerous bright hollows on its floor. This image is a mosaic of three NAC images taken as a sequence designed to target the crater.

Date acquired: January 23, 2012
Image Mission Elapsed Time (MET): 235766888, 235766929, 235766969
Image ID: 1300010, 1300011, 1300012
Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Center Latitude: 21.90°
Center Longitude: 1.78° E
Resolution: 57 meters/pixel
Scale: De Graft crater is approximately 68 km (42 mi.) in diameter.
Incidence Angle: 73.5°
Emission Angle: 37.1°
Phase Angle: 110.7°

Photo credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

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