🇬🇧 – 🇮🇹 In 1764 the astronomer Charles Messier discovered the following open clusters: M23, M24, M25 and M26 (click on the abbreviations for details) Nel 1764 l’astronomo Charles Messier scopre i seguenti ammassi aperti: M23, M24, M25 e M26 (clicca sulle sigle per le schede) In 1990, the asteroid 5261 Eureka was discovered from the Monte Palomar Observatory. ° with…