observatory Synonyms

lookout station observation tower lookout lookout tower observatorium Papeete spectrograph atmospheric station coronagraph coelostat catbird seat spectroheliograph Mauna Loa lookout man observation post observation dome bleachers gazebo radio telescope observatories monitor mirador lighthouse landmark heliostat guard cosmology cosmography conning tower commentator building bridge belvedere beacon astronomer orrery outlook astronomical telescope watchtower watchman watcher watch vigil uranography tower spotter spectroscope sentry sentinel scout