"Lookout Pan"

       This is the Spirit Pancam "Lookout" panorama, acquired on sols 410 to 413 (Feb. 27 to Mar. 2, 2005) from a position known informally as "Larry's Lookout" along the drive up Husband Hill. The summit of Husband Hill is the far peak near the center of this panorama and is about 200 meters away from the rover and about 45 meters higher in elevation. The bright rocky outcrop in the near field near the center of the panorama is part of the Cumberland Ridge, and beyond that and to the left is the Tennessee Valley.
      The panorama spans 360 degrees and consists of images obtained in 108 individual pointings and 5 Pancam filters at each pointing. This mosaic is an approximate true color rendering generated using the images acquired through Pancam's 750, 530, and 480 nm filters. The lighting varied considerably during the four sols that it took to acquire this image (partly because of imaging at different times of sol, but also partly because of small sol-to-sol variations in the dustiness of the atmosphere), resulting in some obvious image seams or rock shadow variations within the mosaic. These seams have been smoothed out from the sky parts of the mosaic in order to simulate better the vista that a person would have if they were viewing it all at the same time on Mars. However, it is often not possible or practical to smooth out such seams for regions of rock, soil, rover tracks, or solar panels. Such is the nature of acquiring and assembling large Pancam panoramas from the rovers.
      Spirit's tracks leading back from the West Spur region can be seen on the right side of the panorama. The region just beyond the area where the tracks made their last zig-zag is the area known as "Paso Robles", where Spirit discovered rock and soil deposits with very high sulfur abundances. After acquiring this mosaic (which took several weeks to fully downlink and then several more weeks to process), Spirit drove around the Cumberland Ridge rocks seen here and is now driving up the flanks of Husband Hill, heading towards the summit.

Jim Bell
Pancam PEL
13 April 2005

Image credit: NASA/JPL/Cornell
Image mosaicking: JPL/MIPL (Bob Deen)
Calibration and color rendering: Cornell Calibration Crew and the Pancam team (Jim Bell)

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Image Dimensions: 22348x3997

       This is the stereo anaglyph version of the "Lookout" panorama, taken by the Spirit pancam using the L2 and R2 filters on Sols 410-413.
      This mosaic is in the Cylindrical-Perspective projection, using the Site frame, with special "untilt" processing. The tilt of the rover (roll -14 degrees, pitch +13 degrees) has been removed by special processing of the images, resulting in a flat horizon (thus a more "natural" view) with very little vertical disparity (vertical disparity is one of the main things that gives you a headache when looking at stereo images). Geometric and brightness corrections have been applied. This anaglyph is simply the combination of the L2 and R2 filter images.

Bob Deen

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