Light and Darkness on Japetus (possible Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)

Caption NASA:"Light and Dark Terrain covers the Surface of Saturn's moon Japetus; Lit Terrain seen here is on the area between the Saturn-facing Side and Trailing Hemisphere of Japetus. North is up and rotated 4° to the right.

The image was taken in Visible Light with the Cassini Spacecraft narrow-angle camera on Dec. 1, 2009. The view was obtained at a distance of approx. 1,4 MKM (about 870.000 miles) from Japetus and at a Sun-Japetus-Spacecraft, or Phase, Angle of 100°.
Image scale is roughly 8 Km (approx. 5 miles) per pixel".