Giandomenico Cassini (1625-1712)
Original drawings of the Moon, 1671-1679
Paris, Observatoire de Paris, inv. Ms D-VI-40, f. 52

These drawings are part of the great atlas of the Moon (ca. 60 drawings) produced in collaboration with two artists, Sébastien Leclerc and Jean Patigny. Cassini used black pencil to record on most of the maps the date, time and circumstances in which he made his observations.