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January 22, 2012

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Gullies on a Southern Crater Wall (EDM)

Credits: NASA/JPL/University of Arizona - Credits for the additional process. and color.: Elisabetta Bonora/Lunar Explorer Italia/IPF

Mars Local Time: 15:40 (Middle Afternoon)
Coord. (centered): 46,7° South Lat. and 279,3° East Long.
Spacecraft altitude: 249,0 Km (such as about 155,2 miles)
Original image scale range: 49,8 cm/pixel (with 2 x 2 binning) so objects ~ 1 mt and 49 cm across are resolved
Map projected scale: 50 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 0,8°
Phase Angle: 81,6°
Solar Incidence Angle: 81° (meaning that the Sun was about 9° above the Local Horizon at the time that the picture was taken)
Solar Longitude: 135,9° (Northern Summer/Southern Winter)
Credits: NASA/JPL/University of Arizona

This frame has been colorized in Absolute Natural Colors by (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Mars Reconnaissance Orbiter and then looked down, towards the Surface of Mars), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team.