Daily Archives: January 28, 2010

Prometheus Passing

Cassini's view of Prometheus during a close pass (NASA/JPL/SSI. Edit by Jason Major.)

Cassini’s view of Prometheus during a close pass (NASA/JPL/SSI. Edit by Jason Major.)

Prometheus dips into the F ring

Prometheus, shepherd moon of Saturn’s F ring, is featured in this dramatic image from Cassini taken as it passed by at a distance of 23,000 miles (37,014 km) on January 27, 2010.

This is the closest Cassini has come to Prometheus.

The image above has been extensively cleaned up in regard to CCD pixel noise and cosmic ray hits, which become more pronounced the longer the exposures are. One interesting thing to note is along Prometheus’ upper left lobe the thin shadows cast by Saturn’s F ring can be seen.

View the official image release on the CICLOPS site here, and check out another shot below:

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