NTT mirror cleaning

The main, 3.54m diameter mirror of the New Technology Telescope on La Silla is being washed, so to remove the dust accumulated on its surface. This very delicate process is performed using a natural sponge, soft soap and distilled water.

Credit:
ESO

Over de afbeelding

Id:ntt-cleaning
Type:Fotografisch
Publicatiedatum:3 december 2009 23:18
Grootte:2912 x 4368 px

Over het object

Naam:New Technology Telescope
Type:Unspecified : Technology : Observatory : Telescope
Categorie:La Silla

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