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This image is a mosaic of the original data (at left) compared with the results of contrast enhancement (at right). The processing steps performed to create this image were: * A long, narrow high-pass filter is applied in a vertical orientation to help reduce some of the instrument signature. This signature is seen as the streaking that is noticeable in the original data. * A long, narrow low-pass filter is applied in a horizontal orientation to help create an intensity average for the image. * The results of these filtering operations are the stretched to approximate a Gaussian distribution. * The results of the high-pass and low-pass processing steps are averaged together to form the final product. * The image is flipped about the vertical axis to correct for the camera orientation. * The original and processed data are placed together in a mosaic. * The completed image is sized down by a factor of 2, with interpolation, to make the finished result more manageable. Other information available for this image is the following: * Orbit: 239 * Range: 331.07 km * Resolution: 2.5 m/pixel * Image dimensions: 1024 X 9600 pixels, 2.5 km x 24 km * Line time: 0.35 msec * Emission angle: 2.35 degrees * Incidence angle: 66.77 degrees * Phase angle: 68.81 degrees * Scan rate: ~0.15 degree/sec * Start time: periapsis + 375 sec * Sequence submitted to JPL: Mon 04/13/98 16:40 PDT * Image acquired by MOC: Tue 04/14/98 07:02:17 PDT * Data retrieved from JPL: Tue 04/14/98 17:30 PDT
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