In this VIS image, taken by the NASA - Mars Odyssey Orbiter on May, 1st, 2014, and during its 54.911th orbit around the Red Planet, we can see a very dark (---> brown) and (relatively) narrow band of unusually-shaped Sand Dunes that is called Hyperboreae Undae. A large (and, most likely, even quite thick) patch of Residual Water Ice (and Snow, maybe) covers most of the Northern Portion of Hyperboreae Undae, while a thinner patch (still made of Residual Water Ice or Snow) is visible to the lower left (Sx) corner of the frame, towards the South/East of the Main Surface Feature imaged in this picture. No Impact Craters of any shape and size are visible in this area.
Latitude (centered): 82,0738° North
Longitude (centered): 313,5130° East
This image (which is a crop taken from an Original Mars Odyssey Orbiter b/w and Map-Projected frame published on the NASA - Planetary Photojournal with the ID n. PIA 18550) has been additionally processed, magnified to aid the visibility of the details, contrast enhanced and sharpened, Gamma corrected and then colorized in Absolute Natural Colors (such as the colors that a 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.