Janus

Original NASA caption:"The Roman god Janus is usually depicted with two faces (nota: "Giano Bifronte"), one looking forward and one behind. Janus is captured here by Cassini, showing two faces of its own.
This view shows a sliver of Janus's dayside, plus much of the dark side. Part of the darkened terrain to the left is lit dimly by reflected light from Saturn, revealing craters there.
North on Janus is up in this image. A brightly sunlit view of Janus (181 Km, or 113 miles across) can also be seen in PIA07529.
The image was taken in visible green light with the Cassini spacecraft narrow-angle camera on Aug. 2, 2005, at a distance of approx. 541.000 Km (about 336.000 miles) from Janus and at a Sun-Janus-spacecraft, or phase, angle of 147°. Resolution in the original image was 3 Km (about 2 miles) per pixel.
The image has been contrast-enhanced and magnified by a factor of two to aid visibility".