M12 Globular Cluster Messier 12 Post Author:ScottH Post published:May 23, 2014 Post Category:Messier List / Star Clusters Post Comments:0 Comments Messier 12 is located in the constellation of Ophiuchus (pronounced O – fee – u – cus). I was initially discovered by famed comet hunter Charles Messier in 1764. Under fairly dark skies this cluster of stars can be seen with binoculars. You Might Also Like Leo Trio March 13, 2009 The Pleaides October 19, 2008 Messier 3 June 11, 2015 Leave a Reply Cancel replyCommentEnter your name or username Enter your email Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.