Astronomy Picture of the Day
December 23, 2014

Features of Antoniadi Crater
Features of Antoniadi 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 beautiful VIS image, taken by the NASA - Mars Odyssey Orbiter on May, 29th, 2002, and during its 2.020th orbit around the Red Planet, we can see a really small portion of the Floor of the Impact Crater named Antoniandi. Antoniadi is a large Impact Crater located in the truly dark Martian Region known as Syrtis Major Planum; it is centered at about 21,5° North Latitude and 299,2° West Longitude.

Antoniadi Crater is approx. 394 Km (such as about 244,674 miles) in diameter and it was so named after Eugène Michael Antoniadi, a Greek astronomer who spent most of his life in France. He was born on March, 1st, 1870 in Costantinopolis and died in Paris on February, 10, 1944.

Latitude (centered): 19,1696° South
Longitude (centered): 61,8854° East
Instrument: VIS

This image (which is an Original Mars Odyssey Orbiter false colors and Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 18989) 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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