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Apache Point Observatory
Apache Point Observatory in the Sacramento Mountains of New Mexico. The
Sloan Digital Sky Survey's 2.5-meter telescope is on the left. (White
Sands National Monument is visible in the distance, above the
telescope.) The monitor telescope, used for calibrations, is inside the
small dome to the right of center. Optical fibers for spectroscopy are
pre-positioned each day in the building on the right (behind the trees).
The building in the center rolls on rails to cover the 2.5-meter
telescope when it is not in use.
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