… and its reprints. They can be identified from the heart that is crossed by a Tycho ray. Cassini’s moon drawing 1679 Paris, Observatoire de Paris, inv. I.1576 Source: Memoires de l’Académie Royale des Sciences, 1692. This is a reproducion of Cassini’s map by Lemonnier, C.P. 1746; Institutions astronomiques, Paris Copy of an original in […]