 The oldest accurately dated star chart was the result of ancient Egyptian astronomy in 1534 BC . The earliest known star catalogues were compiled by the ancient Babylonian astronomers of Mesopotamia in the late 2nd millennium BC , during the Kassite Period ( ca . 1531 – 1155 BC ) . 
 The oldest accurately dated star chart was the result of ancient Egyptian astronomy in 1534 BC . The earliest known star catalogues <a href='uninflect' title='1'><mark>were</mark></a> compiled by the ancient Babylonian astronomers of Mesopotamia in the late 2nd millennium BC , during the Kassite Period ( ca . 1531 – 1155 BC ) . 
Da oldest accurately dated star chart was the result of ancient Egyptian astronomy in 1534 BC . Tdaearliest known star catalogues was compiled by the ancient Babylonian astronomers of Mesopotamia in thdaate 2nd millennium BC , durin thedassite Period ( ca . 1531 – 1155 BC ) .