Tour the SDSS Site

Move your mouse over the image below to tour Apache Point Observatory.

SDSS Main Telescope Photometric Telescope Support Building Telescope Enclosure Instrument Room ARC 3.5m Telescope White Sands National Monument

This photo shows the Sloan Digital Sky Survey observing site at Apache Point Observatory in the Sacramento Mountains of New Mexico. The site is about 9150 feet above sea level. The combination of height and distance from civilization makes for dark nights with clean air and great seeing.