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These two images, a wide angle camera image (top) and a narrow angle camera image (bottom), of Saturn's rings were taken after the successful completion of the orbit insertion burn when the spacecraft had crossed the ring plane and was looking upwards at the lit face of the rings.
The images show details of the mysterious F ring that lies at a distance of approximately 140,200 kilometers (88,000 miles) from Saturn. The bright core of the F ring is clearly visible in the upper right-hand corner of the narrow angle camera view, and is approximately 50 kilometers (31 miles) across. Wispy, ribbon-like features interior to the main ring are clearly visible inside the orbit of the F ring. These are most likely due to the perturbing effect of the small moon Prometheus that orbits just inside the region. The wide angle camera view also caught a fortunate glimpse of dimly lit Prometheus (86 kilometers, 53 miles wide) interior to the F ring, near the left side of the frame.
Cassini was approximately 157,000 kilometers (97,600 miles) above the ringplane when the images were obtained. Image scale in the wide angle camera image is approximately 9 kilometers per pixel; image scale in the narrow angle camera image is approximately 940 meters per pixel.
The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini-Huygens mission for NASA's Office of Space Science, Washington, D.C. The imaging team consists of scientists from the US, England, France, and Germany. The imaging operations center and team lead (Dr. C. Porco) are based at the Space Science Institute in Boulder, Colo.