CICLOPS: Cassini Imaging Central Laboratory for OPerationS
A Dark Duo

A Dark Duo
PIA 07663

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  Epimetheus (113 kilometers, 70 miles across, at right) and Janus (179 kilometers, 111 miles across, at left) are lit here by reflected "greylight" from Saturn. The Sun brightens only thin slivers of the moons' surfaces.

A few large craters on Janus are visible in the dim light of Saturn.

The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Nov. 29, 2005 a distance of approximately 1.1 million kilometers (700,000 miles) from both moons. Resolution in the original image was 7 kilometers (4 miles) per pixel. The image has been magnified by a factor of two and contrast-enhanced to aid visibility.

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.

For more information about the Cassini-Huygens mission, visit and the Cassini imaging team home page,

Credit: NASA/JPL/Space Science Institute
Released: December 29, 2005 (PIA 07663)
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