en PortalulTauTV. Images of a hunting party with the Swedish King Oscar II, Prince Christian, Prince Gustav, Prince Valdemar and Prince Georg. Hveen is an island in the strait 'Øresund' between Denmark and Sweden. The island was under Danish rule until 1658. It is mainly know as the site where the Danish astronomer Tycho Brahe made his internationally acclaimed observations in the years 1576-1597.