Coating of Primary Mirror
Date: 26 September 2004
Satellite: Herschel
Depicts: Primary Mirror
Copyright: EADS Astrium/ P. Dumas
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The Herschel telescope's primary mirror is inspected after it received its thin aluminium coating, which is the working surface of the telescope, in the vacuum chamber at Calar Alto Observatory, Spain.
Last Update: 1 September 2019