Home›1092 disestablishments›伊斯法罕天文台🌐中文Englishفارسی中文EntityQ55614652· pop 5· linked from 6 articles伊斯法罕天文台Available in 5 languagesUkrainianUrduWestern Panjabiفارسیvia Wikidata sitelinks · CC0ConnectionsOmar KhayyámEntityPersianEntityCategories1092 disestablishments11th century in Iran11th century in the Seljuk EmpireAstronomical observatories in IranBuildings and structures completed in 1074Iran articles missing geocoordinate dataIsfahan