Cassini got its best-ever view of Saturn's moon Helene on June 18, 2011, when it approached to within 7,000 kilometers. Helene is a co-orbital moon of Dione. The sunlit face is mostly the side of the moon that always faces Saturn, and is covered with strange gully-like features.
NASA / JPL-Caltech / SSI / animation by Emily Lakdawalla
Original image data dated on or about June 18, 2011.