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Ernie Mastroianni | all galleries >> Astrophotography >> Solar system > Saturn, April 18, 2010
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Saturn, April 18, 2010

Saturn's rings are nearly edge-on and three of its moons are visible. From left are Dionne, Rhea and Tethys. All three are slightly dimmer than 10th magnitude. This is a stack of about 800 frames from a total of 1200 images taken with a DMKAFO3 monochrome firewire camera and a 10-inch Newtonian with a Brandon 2.4x barlow. It was taken from my suburban Milwaukee back yard under moderate seeing conditions.


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