About 325 B.C. Aristoteles discovered the open cluster M 41. It was seen again by Hodierna and Flamsteed; see: Messier, C., Catalogue des Nébuleuses et des amas d'Etoiles, Hist. de l'Acad. Sci. 1771, 435-461.
D | N | NI | Y | I | T | Observer | Name | Con | Type | S |
1 | N | 2287 | -325 | E | v | Hodierna 1654? Flamsteed 16.2.1702 |
M 41 | CMA | II3m | 4 |