File:Telescope Cleaning.webm
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| Description |
English: Cleaning of the South African Large Telescope mirrors with dry ice |
| Date | |
| Source | Own work |
| Author | Lengau |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:16, 5 January 2019 | 23 s, 3,840 × 2,160 (11.57 MB) | Lengau (talk | contribs) | User created page with UploadWizard |
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