Three of Saturn’s moons crowd together off the left edge, or ansa, of Saturn’s rings. Moons visible in this image: Rhea (1,528 kilometers, 949 miles across), largest, near center; Mimas (396 kilometers, 246 miles across), smaller, beneath center; and Helene (33 kilometers, 21 miles across), faintly visible above and to the right of Rhea. Helene has had its brightness increased by a factor of 10. The image was taken with the wide angle camera on March 7, 2005 from a distance of approximately 1.3 million kilometers (799,000 miles) from Saturn and using a combination of spectral filters sensitive to polarized infrared light centered at 1,001 nanometers (1.001 microns). The image scale is 8 kilometers (5 miles) per pixel.

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