Following the recent detection of Saturnian radio bursts by NASAs Cassini spacecraft that indicated a rare and powerful atmospheric storm, Cassini imaging scientists have spotted the storm in an unlikely fashion: they looked for it in the dark.
When lightning-generated radio noise from the storm was detected by Cassini on January 23, the spacecraft was at a place in its orbit where it was unable to image the sunlit side of Saturn. Instead, imaging scientists searched for the southern hemisphere storm in images of the planets night side. Fortunately, the small amount of sunlight reflecting off Saturns rings and illuminating the night side is enough to make features in the atmosphere visible.
Images showing the storm can be found at http://ciclops.org, http://saturn.jpl.nasa.gov and http://www.nasa.gov/cassini.
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