Learn how to spot the Pleiades Star Cluster, which is also called Messier 45. This is a very famous star cluster that is easy to find in the night sky. It is located inside Taurus the Bull constellation and has been viewed by humans for thousands of years. Learn the details of the brightest stars of this cluster: Alcyone, Atlas, Electra, Maia, Merope, Taygeta, Pleione, Celaena, and Sterope.