EntityQ872678· pop 8· linked from 18 articlesKuffner observatorySign in to saveobservatory in ViennaConnectionsastronomyEntityViennaEntityBlack holeConceptgeographic coordinate systemEntityInternational Standard Book NumberEntityresearchEntityInternational Standard Serial NumberEntityAnschlussEntitybibcodeEntityQ57145Entityrefracting telescopeEntityBřeclavEntitypendulum clockEntityOttakringEntityfolk high schoolEntityastrographEntitymeridian circleEntityInternational Ultraviolet ExplorerEntityheliometerEntitystellar parallaxEntityCategoriesAstronomical observatories in AustriaBuildings and structures in OttakringBuildings and structures in ViennaCommons link from WikidataDouble telescopesEducation in ViennaMuseums in ViennaPublic observatoriesScience and technology in AustriaScience museums in Austria