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Aratos discovered NGC 2632 (M 44, Praesepe) around 260 B.C., publishd in his work Phainomeina. The cluster in Cancer was later mentioned by Hipparchus.
| D | N | NI | Y | I | T | Observer | Name | Con | Type | S | Author | Title |
| 1 | N | 2632 | -260 | E | v | Hipparchus -130 | M 44, Praesepe, Beehive Cluster | CNC | II2m | 4 | Aratos | Phainomeina |