Tycho Brahe in front of his house in Copenhagen. Tycho Brahe left Hven in 1597, bringing some of his instruments with him to Copenhagen, and entrusting others to a caretaker on the island. Shortly before leaving, he completed his star catalogue giving the positions of 1,000 stars. After some unsuccessful attempts at influencing the king to let him return, he finally acquiesced to exile, but he wrote his most famous poem "Elegy to Dania" in which he chided Denmark for not appreciating his genius. The instruments he had used in Uraniborg and Stjerneborg were depicted and described in detail in his book
Ven (Sweden) The latter is located at the south-western coast just beneath the old church "Sankt Ibb". This coast is known as "Backafall." The island was historically under Danish rule. Danish astronomer Tycho Brahe (1546–1601) built two observatories there, Uraniborg and Stjerneborg, during 1576–1596. The observatories were built by the inhabitants of the island with Tycho Brahe as their Lord. The Swedish took over control in 1658, as the rest of Scania was ceded to Sweden by the Treaty of Roskilde. The island was not specifically mentioned in the treaty, and according to the Danes it was not part of Scania, but