Cassini’s view of Dione & Tethys on April 4, 2015 Abril 8, 2015 Por Observando el Espacio Compártelo: Cassini captured this image of Dione and Tethys on April 4, 2015 usando sus filtros CL1 y CL2. Below is a vine that uses several images that Cassini captured. The vine shows Dione near the center, with Tethys passing behind the south pole of Dione. Compártelo: