cross section of an astronomical observatory 
Querschnitt durch eine Sternwarte 
prime focus observing capsule 
Primärfokuskabine 
light 
Licht 
prime focus 
Primärfokus 
observation post 
Beobachtungsposten 
Cassegrain focus 
Cassegrain-Fokus 
telescope 
Teleskop 
primary mirror 
Hauptspiegel 
hour angle gear 
Stundenwinkelantrieb 
flat mirror 
ebener Spiegel 
telescope base 
Podest 
horseshoe mount 
Hufeisenmontierung 
polar axis 
Polachse 
secondary mirror 
Sekundärspiegel 
laboratory 
Labor 
coudé focus 
Coudé-Fokus 
interior dome shell 
innere Kuppelhülle 
exterior dome shell 
äußere Kuppelhülle 