Observatorium Regium Belgicum[1] (Francogallice Observatoire royal de Belgique, Nederlandice Koninklijke Sterrenwacht van België) est observatorium astronomicum Ucclae ab anno 1890 situm. Anno 1826 a Gulielmo I rege Nederlandiae consilio Adolphi Quetelet conditum est.
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Nexus externi
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