1-157-972 - Oxford Science Archive/Heritage Images

Paris Observatory, France, 1740. Astronomers using telescopes to observe objects in the night sky including Saturn and the Moon. The Paris Observatory opened in 1671, with the Italian-born French astronomer Jean-Dominique Cassini (1625-1712) as its first director. Headpiece from Cassini's tables Astronomiques du Soleil de la Lune.... (Paris, 1740). Astronomers using telescopes to observe objects in the night sky including Saturn and the Moon.