Lonely Shadow... (possible True Colors; credits: Lunexit)

Caption NASA:"The shadow of Tethys drifts across the face of Saturn. Nearby, shadows of the Planet's Rings form a darkened band above the Equator. This view looks toward Saturn from a vantage point 63° North of the Equator.

The image was taken in visible green light with the Cassini Spacecraft wide-angle camera on Oct. 1, 2008. The view was acquired at a distance of approx 615.000 Km (about 382000 miles) from Saturn.
Image scale is roughly 37 Km (approx. 23 miles) per pixel".