#TopicOfTheDay: The #Messier #Catalogue is a list of 110 astronomical objects compiled by French astronomer Charles Messier in the 18th century.
The catalogue consists of a diverse range of astronomical objects, from star clusters and nebulae to galaxies. For example, Messier 1 is a supernova remnant, known as the Crab Nebula, and the great spiral Andromeda Galaxy is M31.









