ING photo release
6 May, 2018
The ESO Wendelstein Laser Guide Star Unit
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A sodium laser beam is launched from the ESO Wendelstein
Laser Guide Star Unit (WLGSU) as part of laser guide star
field tests
for validating the European Extremely Large Telescope (E-ELT) laser guide star baseline performance. The WLGSU is located 40 metres from the William Herschel Telescope (WHT), and is used together with CANARY adaptive optics system on the WHT. Credit: Obs.de Paris/Lisa Bardou. Larget format: [ JPEG ].
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