Elling Carlsen Carlsen made his first voyage out of Hammerfest in Finnmark, Norway. In 1859, Carlsen discovered the island group that would later be named Kong Karls Land in the Svalbard archipelago in the Arctic Ocean. Although Carlsen is credited with the finding, the islands may have been first sighted by the whaler Thomas Edge in 1617. In 1863, Carlsen completed the first circumnavigation of Spitsbergen. During a voyage to the Arctic Ocean in 1871, Carlsen discovered the lodge of Willem Barentsz on the north-eastern shore of the archipelago of Novaya Zemlya. This winter camp had been used as shelter by Barentsz
Novaya Zemlya effect gradient. The sunlight must bend to the Earth's curvature at least 400 km to allow an elevation rise of 5° for sight of the solar disk. The first person to record the phenomenon was Gerrit de Veer, a member of Willem Barentsz's ill-fated third expedition into the north polar region in 1596–1597. Trapped by the ice, the party was forced to stay for the winter in a makeshift lodge on the archipelago of Novaya Zemlya and endure the polar night. On January 24, 1597, De Veer and another crew member claimed to have seen the Sun appear above the horizon,