File:Mayall 4-meter primary blank (noao-04580).tiff

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Captions

Captions

Four meter mirror on grinding table shortly after arrival at Kitt Peak. Some areas were polished clear by Corning for inspection. Note the many hexagonal sections of quartz glass that were fused together to form this very large mirror.

Summary

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Description
English: Four meter mirror on grinding table shortly after arrival at Kitt Peak. Some areas were polished clear by Corning for inspection. Note the many hexagonal sections of quartz glass that were fused together to form this very large mirror. Glynn Pickens and Mark Hanna both appear (Hanna twice) in this multiple exposure picture. Photograph by John Lutnes.
Date 30 June 2020, 21:53 (upload date)
Source Mayall 4-meter primary blank
Author John Lutnes/NOIRLab/NSF/AURA/
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current08:55, 15 August 2023Thumbnail for version as of 08:55, 15 August 20232,331 × 1,877 (6.61 MB)OptimusPrimeBot (talk | contribs)#Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/original/noao-04580.tif via Commons:Spacemedia

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