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-01 |
| Type: | Photographic |
| Release date: | 3 December 2009, 23:19 |
| Size: | 4368 x 2912 px |
About the Object
| Name: | New Technology Telescope |
| Type: | • Unspecified : Technology : Observatory : Telescope • Unspecified : People : Scientist • X - La Silla |
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