Messier 25 is an open cluster in the southern constellation of Sagittarius. The first recorded observation of this cluster was made by 1745 by Philippe Loys de Chéseaux. Two decades later it was included in Charles Messier's Messier Catalogue
Messier 25 is an open cluster in the southern constellation of Sagittarius. The first recorded observation of this cluster was made by 1745 by Philippe Loys de Chéseaux. Two decades later it was included in Charles Messier's Messier Catalogue