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Cassini sights the far-off wispy canyons of Dione, and reveals an interesting dichotomy between the bright wisps and the bright south polar region at bottom. The view looks toward the trailing hemisphere on Dione (1,123 kilometers, 698 miles across). North on the moon is up. The image was taken with the narrow angle camera on Sept. 20, 2005, through a filter combination sensitive to polarized green light. The image was acquired from a distance of approximately 2.1 million kilometers (1.3 million miles) from Dione and at a Sun-Dione-spacecraft, or phase, angle of 64 degrees. Resolution in the original image was 12 kilometers (8 miles) per pixel. The image has been magnified by a factor of two to aid visibility. |