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

About the Image

Id:ntt-cleaning
Type:Photographic
Release date:3 December 2009, 23:18
Size:2912 x 4368 px

About the Object

Name:New Technology Telescope
Type:Unspecified : Technology : Observatory : Telescope
Category:La Silla

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