Chapter Ii. 145

Frederick II. patronizes Tycho--And resolves to establish him in Denmark--Grants him the Island of Huen for Life--And Builds the splendid Observatory of Uraniburg--Description of the Island, and of the Observatory--Account of its Astronomical Instruments--Tycho begins his Observations--His Pupils--Tycho is made Canon of Rothschild, and receives a large Pension--His Hospitality to his Visitors--Ingratitude of Wittichius--Tycho sends an Assistant to take the Latitude of Frauenburg and Konigsberg--Is visited by Ulric, Duke of Mecklenburg--Change in Tycho's fortunes,