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Spirit Panorama from Low Ridge Haven, sol 811 Suffering from a gimpy wheel and dimming sunlight, Spirit settled into a parked position at "Low Ridge Haven" on sol 807 (10 April 2006). Low Ridge Haven gave Spirit a 10.8-degree tilt toward the north, improving the power output of its solar panels. Even so, it only had power sufficient for one hour of science operations per sol. NASA / JPL-Caltech / Cornell / Jan van Driel