Messier 45 or The Pleiades (Open Cluster)
Contents
Image: Messier 45 - Pleiades
Pleiades star cluster with names of the main stars Atlas,
Pleione, Alcyone, Merope, Sterope I, Sterope II, Maya,
Taygete, Calaeno and Electra
Credit: K. R. Carr/Stellarium
Overview
The Pleiades (Messier 45), or Seven Sisters, are a star cluster in the constellation of Taurus. It is the most prominent and easiest star cluster to find being easily visible to the unaided eye, indeed most people can see at least seven stars without binoculars or telescopes.