english: In Europe, it became more widely known as "Octans Hadleianus", in honor of English mathematician John Hadley, who invented the octant in 1730.
non_english: Rasi lintang punika ugi dipunmangertosi kanthi nama "Octans Hadleianus" kangge ngurmati temuanipun Octant, John Hadley, ingkang dipunrancang ing taun 1730.