Messier 4 (NGC 6121) is a standout globular cluster, shining at a remarkable magnitude of +5.8 and spanning an impressive 26 arcminutes across the sky. This makes it one of the largest globular clusters visible in the Messier catalogue. Despite its grand appearance, Messier 4 is relatively close, situated at a distance of approximately 7,200 […]
Read the full story![](https://i1.wp.com/astronomynow.com/wp-content/uploads/2024/06/m4-BLOCK.jpg?w=1200&resize=1200,0&ssl=1)