File:Getting ready for coating (ann24005d).jpg

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Captions

Captions

Technicians at ESO’s Paranal Observatory, Chile, watch a mirror segment of the Extremely Large Telescope (ELT) be carefully lowered into a protective box for coating.

Summary[edit]

Description
English: Technicians at ESO’s Paranal Observatory, Chile, watch a mirror segment of the Extremely Large Telescope (ELT) be carefully lowered into a protective box for coating. This includes silver for reflectivity, and nickel chromium and silicon nitride to improve adhesion and prevent tarnishing. Each of the 798 segments that will make up the ELT’s primary mirror will need to be coated, as well as 133 extras, so that segments can be seamlessly removed for frequent re-coating.
Date 14 March 2024 (upload date)
Source
This media was produced by the European Southern Observatory (ESO), under the identifier ann24005d

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Author ESO/F. Carrasco (CHEPOX)
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