European Southern Observatory

The European Southern Observatory (ESO) is a European collaboration that operates telescopes in Chile and other southern hemisphere sites. They include:

• New Technology Telescope (NTT)
• European Southern Observatory Very Large Telescope (ESO VLT)
• ESO 3.6m Telescope
• ESO Schmidt Telescope
• Atacama Large Millimeter Array (ALMA)
• European Extremely Large Telescope (E-ELT)
• VISTA "Visible and Infrared Survey Telescope for Astronomy"
• VLT Survey Telescope (VST)
• Atacama Pathfinder Experiment (APEX)

Sites include La Silla Observatory, Paranal Observatory, and Llano de Chajnantor Observatory.