Site testing on La Silla observatory
ESO astronomer Hans-Emil Schuster and a guide during the site testing at La Silla observatory, early 1960s.
Credit:ESO
About the Image
| Id: | hes-guide-cc |
| Type: | Photographic |
| Release date: | 27 March 2013, 11:23 |
| Size: | 2364 x 1592 px |
