WAlpine Astrovillage Lü-Stailas
WBagnoud Observatory
WBleien Radio Observatory
WEschenberg Observatory
WGeneva Observatory
WGnosca Observatory
WGornergrat Kulm Hotel
WHubelmatt Observatory
WJura Observatory
WJura-Sternwarte Grenchen
WKOSMA
WMirasteilas Observatory
WObservatoire Astronomique de Mont-Soleil
WMonte Generoso Observatory
WObservatory Naef Épendes
WNeuchâtel Observatory
WSternwarte Sirius
WSphinx Observatory
WBülach Observatory
WUecht Observatory
WUrania Sternwarte
WZimmerwald Observatory