Astrolabe returned to Marseille on 25 March 1829. Second Voyage under the command of Jules Dumont d'Urville Dumont wanted to do further exploration of the Pacific Ocean, however King Louis-Philippe ordered that the second expedition aim for the South Magnetic Pole and to claim it for France; if that was not possible, Dumont's expedition was asked to equal the most southerly latitude of 74°34'S achieved in 1823 by James Weddell. Thus France became part of the international competition for polar exploration, along with the United States and the United Kingdom. Astrolabe and Zélée sailed from Toulon on 7 September 1837. After reaching the South Orkney Islands, the expedition headed directly to the South Shetland Islands and the Bransfield Strait. In spite of thick fog they located some land only sketched on the maps, which Dumont named Terre de Louis-Philippe (now called Graham Land), the Joinville Island group, and Rosamel Island (now called Andersson Island). As most of the crew had obvious symptoms of scurvy, at the end of February 1838, Dumont accepted that he was not able to continue further south, and he continued to doubt the actual latitude reached by Weddell. He therefore directed the two ships towards Talcahuano, in Chile, where he established a temporary hospital for the crew members affected by scurvy. The ships then sailed to the Marquesas Islands then to Hobart in Australia on the way south. The expedition followed the coast of Antarctica then carried out experiments to determine the approximate position of the South magnetic pole. They sighted the schooner of the United States Exploring Expedition commanded by Charles Wilkes, but due to poor communication, contact was not made. On 1 February 1840, Dumont decided to turn to the north heading for Hobart, which the two ships reached 17 days later. They were present for the arrival of the two ships of James Ross’s expedition to Antarctica. On 25 February 1840, the ships sailed towards the Auckland Islands, where they carried out magnetic measurements. The expedition returned via New Zealand, the Torres Strait, Timor, Réunion, Saint Helena and finally Toulon, returning on 6 November 1840. Legacy The Astrolabe Subglacial Basin in Antarctica bears her name, as do the Astrolabe Glacier, the Astrolabe Needle, Astrolabe Island, Great Astrolabe Reef (off Kadavu island, Fiji) and Astrolabe Reef (New Zealand). Notes, citations, and references Notes Citations References (in French) (in French) (in French) L'Astrolabe et la