CTIO's Main Platform

Watch the night pass at Cerro Tololo Inter-American Observatory (CTIO) in Chile. From this view of the observatory's Main Platform, four telescopes are visible, namely (from left to right) the Curtis Schmidt Telescope, the Víctor M. Blanco 4-meter Telescope, the SMARTS 1.5-meter Telescope, and the SMARTS 0.9-meter Telescope.