📅 9 September 1892
Edward Emerson Barnard found a fifth moon of Jupiter.
📅 9 September 1892
Amalthea was much fainter than the four large moons seen by Galileo.
📅 9 September 1892
Barnard's observation was the last major satellite discovery made visually rather than from photographs.
📅 9 September 1892
The new moon orbits closer to Jupiter than the four Galilean moons.