🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPolskiTiếng ViệtTürkçe한국어中文日本語EntityQ7660067· pop 14· linked from 370 articlesSydney Observatoryastronomical observatory in Sydney, New South Wales, AustraliaConnectionsPort JacksonEntityFort DenisonEntityCategories1858 establishments in AustraliaAstronomical observatories in New South WalesBuildings and structures in SydneyEvent venues in New South WalesLighthouses in New South WalesMeteorological observatoriesMilitary installations in New South WalesMuseums in SydneyNew South Wales State Heritage Register sites located in Millers PointScience museums in AustraliaTime balls