Inspection of the primary mirror under UV light
![](https://cdn.sci.esa.int/documents/33622/35366/1567218478689-CTRL_PROP_CU1_001_410.jpg)
Date: 14 February 2009
Satellite: Herschel
Depicts: Inspection of the primary mirror under UV light
Location: Clean room of the S1B building at CSG, Kourou, French Guiana
Copyright: ESA-CNES-ARIANESPACE / Optique Vidéo du CSG
Last Update: 1 September 2019