Astronomy Picture of the Day
April 6, 2015

Features of Sisyphi Cavi
Features of Sisyphi Cavi

Credits: NASA/JPL/Arizona State University (ASU) - Credits for the additional process. and color.: Dr Paolo C. Fienga/Lunar Explorer Italia/IPF

In this beautiful VIS image, taken by the NASA - Mars Odyssey Orbiter on May, 18th, 2003, and during its 6.317th orbit around the Red Planet, we can see several Surface Depressions - partly covered by Residual Ice and Frost - located in a (poorly CrateredArea of the Southern Hemisphere (in the Noachis Terra Region and very close to the South Pole) of Mars, known as Sisyphi Cavi.


Latitude (centered): 74,0813° South
Longitude (centered): 351,8610° East
Instrument: VIS


This image (which is a crop taken from an Original Mars Odyssey Orbiter falsely colored and Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 19262) has been additionally processed, magnified to aid the visibility of the details, contrast enhanced and sharpened, Gamma corrected and then re-colorized in Absolute Natural Colors (such as the colors that a normal human eye would actually perceive if someone were onboard the NASA - Mars Odyssey 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.



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