The
Messier objects are a set of astronomical object catalogued by
Charles Messier in his catalogue of Nebulae and Star Clusters.
The first edition covered 45 objects numbered M1 to M45.
Some of the most famous Messier objects are:
- M1: The [Crab Nebula]?
- M13: The [Hercules Globular Cluster]?
- M31: The [Andromeda Galaxy]?
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