Astronomy Picture of the Day
February 4, 2016

Portion of the Northern Rim of Toharu Crater
Portion of the Northern Rim of Toharu Crater

Credits: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA and Dr Paolo C. Fienga for the additional process. and color.

This interesting Contextual Image (or "CTX Frame", for short) of the Dwarf Planet 1-Ceres, taken by the NASA - Dawn Spacecraft on December,  24, 2015, shows us a really small portion of the Inner and Outher (highly cratered and eroded) Northern Rim of Toharu Crater. As a matter of fact, the NASA - Dawn Spacecraft had previously imaged a larger portion of Toharu Crater, from its High-Altitude Mapping Orbit. This frame, however, is centered at approx. 43,6 South Latitude and 155° East Longitude. Toharu Crater is roughly 53 miles (such as about 85,295 Km) in diameter.

The original photo shown today was taken during its Low-Altitude Mapping Orbit (or "LAMO", for short) and from an altitude of approx. 240 miles (such as about 386,2416 Km) from the Surface, with a resolution of roughly 120 feet (such as about 36,576 meters) per pixel.

This image (which is an Original NASA - Dawn Spacecraft's b/w and NON Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 20307 - DAWN LAMO Image n. 17) has been additionally processed, extra-magnified to aid the visibility of the details, contrast enhanced and sharpened, Gamma corrected and then colorized (according to an educated guess carried out by Dr Paolo C. Fienga-LXTT-IPF) in Absolute Natural Colors (such as the colors that a normal human eye would actually perceive if someone were onboard the NASA - Dawn Spacecraft and then looked ahead, towards the Surface of 1-Ceres), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team.

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