EntityQ525762· pop 17· linked from 70 articlesPerth ObservatorySign in to saveConnectionsPerthEntitystandard timeEntitylist of observatory codesEntityMount ElizaEntitygeographic coordinate systemEntityasteroidEntityInternational Standard Book NumberEntityWestern AustraliaEntitylongitudeEntitySouthern HemisphereEntitytideEntitydigital object identifierEntityHalley's CometEntityastronomerEntityseismologyEntityInternational Astronomical UnionEntityobservatoryEntitybibcodeEntityminor planetEntityepochEntityCategories1896 establishments in AustraliaAstronomical observatories in Western AustraliaBickley, Western AustraliaEducation in Western AustraliaFederation style architectureGeorge Temple-Poole buildingsHeritage places in Perth, Western AustraliaMinor-planet discovering observatoriesState Register of Heritage Places in the City of KalamundaTourist attractions in Perth, Western AustraliaWest Perth, Western Australia