Compare Constellations
Information: The first column shows data points from Campbell, J. Mason (James Mason), 1810-1869 in red. The third column shows data points from Campbell, James, active 1817-1818, Baronet 1818, Lieutenant-General; Governor of the Ionian Islands 1814-1816 in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.