astronomyblog: SEST at night The 15m Swedish-ESO…

astronomyblog:

SEST at night

The 15m Swedish-ESO Submillimetre Telescope (SEST) is designed to observe at sub-millimetric wavelengths (almost radio waves). It was built in 1987 on La Silla. The SEST has been decommissioned in 2003, with the beginning of operations at the new APEX telescope on Chajnantor.

Credit: ESO/H.Zodet