CICLOPS: Cassini Imaging Central Laboratory for OPerationS
Dione 'Rev 158' Raw Preview #4

Dione 'Rev 158' Raw Preview #4
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  This raw, unprocessed image of Dione was taken on December 12, 2011 and received on Earth December 12, 2011. The camera was pointing toward Dione at approximately 107564 kilometers away, and the image was taken using the CL1 and CL2 filters. The image has not been validated or calibrated. A validated/calibrated image will be archived with the Planetary Data System in 2012.

The Cassini Solstice Mission is a joint United States and European endeavor. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL. 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 Solstice Mission visit, and

Credit: NASA/JPL-Caltech/SSI
Released: December 12, 2011
Image/Caption Information

Alliance Member Comments
Robert (Dec 31, 2011 at 10:03 PM):
This is a rare image of Janus (left) and Prometheus together with Dione, because of their closeness together and the level of detail. From what I've seen in the "imaging diary" it's been 6 years since Janus and Prometheus appeared in such detail together (search for pia08192), though both of them were imaged separately in higher detail in 2009 and 2010.