Astronomy Picture of the Day
February 24, 2015

Features of Pettit Crater
Features of Pettit Crater

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

In this highly suggestive VIS image, taken by the NASA - Mars Odyssey Orbiter on December, 9th, 2002, and during its 4.375th orbit around the Red Planet, we can see a large and dark Dunefield located on the Floor of Pettit Crater.

Pettit Crater is an ancient Impact Crater found in the Amazonis Quadrangle of Mars, and centered at 12,39° North Latitude and 173,87° West Longitude. It is approx. 92,49 Km (such as about 57,436 miles) in diameter and it was so named after Dr Edison Pettit, an American Astronomer who was born in the town of Peru, Nebraska - USA - on September, 22, 1890, and died on May, 6, 1962.

Latitude (centered): 11,6651° North
Longitude (centered): 185,8910° East
Instrument: VIS

This image (which is a crop taken out of an Original Mars Odyssey Orbiter falsely colored and Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 19211) 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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