Features of the North Polar Erg (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)

Mars Local Time: 13:14 (Early Afternoon)
Coord. (centered): 80,0° North Lat. and 240,0° East Long.
Spacecraft altitude: 317,9 Km (such as about 198,7 miles)
Original image scale range: 63,6 cm/pixel (with 2 x 2 binning) so objects ~ 1 mt and 91 cm across are resolved
Map projected scale: 50 cm/pixel
Map projection: POLAR STEREOGRAPHIC
Emission Angle: 1,3°
Sun-Mars-Spacecraft (or "Phase") Angle: 78,9°
Solar Incidence Angle: 78° (meaning that the Sun is about 12° above the Local Horizon)
Solar Longitude: 5,9° (Northern Spring)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Dr Paolo C. Fienga - Lunar Explorer Italia