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Description: Keck Observatory operates two ten-meter telescopes atop the summit of Mauna Kea Hawai'i.Keeping those telescopes on-sky every night is the summit crew of the Operations Department.This video is dedicated to the guys of the Keck daycrew who make it possible.nnThe video is a combination of two techniques. Many scenes were filmed as standard video then accelerated during editing to allow the motion to become clear. Examples of this are scenes of telescopes slewing and the interferometer delay l