This is the side of tethys that faces away from Saturn. It includes the huge Odysseus basin in the north, and the crater Melanthius with its strange central ridge in the south. The central-peak crater Dolius just barely peeks into sunlight north of Melanthius. Cassini took the two images for this mosaic on Tethys on 21 July 2007 at 7:44 and 7:58 UTC as "ridealong" observations for a thermal infrared map of the moon. Tethys is 1062 kilometers in diameter and was 231,000 kilometers away at the time; the image has a scale of 1.4 kilometers per pixel.