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Cassini captures Janus in the foreground, with Dione in the distance beyond.
The image was taken two hours after PIA09842, in which Cassini imaged Dione beyond the rings.
Janus is 179 kilometers (111 miles) across. Dione is 1,123 kilometers (698 miles) across. North on the moons is up.
The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Jan. 17, 2008. The view was obtained at a distance of approximately 1.2 million kilometers (766,000 miles) from Janus and 1.6 million kilometers (970,000 miles) from Dione. Image scale is 7 kilometers (5 miles) per pixel on Janus and 9 kilometers (6 miles) per pixel on Dione.
The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini-Huygens mission for NASA's Science Mission Directorate, Washington, D.C. The imaging team consists of scientists from the US, England, France, and Germany. The imaging operations center and team lead (Dr. C. Porco) are based at the Space Science Institute in Boulder, Colo.