One of the oldest globular clusters in the Milky Way, ~25,000 ly away in Serpens. A true cosmic fossil!

One of the oldest globular clusters in the Milky Way, ~25,000 ly away in Serpens. A true cosmic fossil!
Messier 5 is a bright and rich globular cluster in the constellation Serpens, approximately 24,500 light-years from Earth, and reaches its annual culmination at astronomical midnight and is best observed in mid May.