Titan's North Polar "Hood" (Darkened Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)

Caption NASA:"The Cassini spacecraft examines Titan's north polar hood, the part of the atmosphere of Saturn's largest moon appearing dark at the top of this image. This view looks toward the Anti-Saturn Side of Titan.
North on Titan is up. The South Pole of Titan is going into darkness, with the Sun advancing towards the North with each passing day. The upper layer of Titan's Hazes is still illuminated by Sunlight scattered off the Planet.

The image was taken in Visible Violet Light with the Cassini Spacecraft wide-angle camera on April 19, 2011. The view was acquired at a distance of approx. 137.000 Km (about 85.000 miles) from Titan and at a Sun-Titan-Spacecraft, or Phase, Angle of 18°. Image scale is roughly 8 Km (about 5 miles) per pixel".