Globular clusters are dense, spherical concentrations of hundreds of thousands of very old stars. They orbit the Milky Way in its halo and rank among the oldest objects in the universe.
Caldwell 25 – Intergalactic Wanderer
NGC 2419, also known as the "Intergalactic Wanderer," is a globular cluster located in the constellation Lynx, approximately 270,000 light-years away from Earth. The cluster is best observed around mid-January ...
Caldwell 47
Caldwell 47 is a globular cluster located in the constellation Delphinus, approximately 52,000 light-years from Earth, and reaches its annual culmination at astronomical midnight and is best observed in late July and early August from the Northern Hemisphere ...
Messier 3
Messier 3 is a bright globular cluster in the constellation Canes Venatici, approximately 34,000 light-years from Earth, and reaches its annual culmination at astronomical midnight and is best observed in mid April ...
Messier 5
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 ...
Messier 13 – Hercules Globular Cluster
Messier 13, also known as the Great Globular Cluster in Hercules, is a prominent globular star cluster located in the constellation Hercules, approximately 22,000 to 25,000 light-years from Earth, and is best observed in early June ...
Messier 15 – Pegasus Cluster
Messier 15 is a striking globular cluster located in the constellation Pegasus at a distance of approximately 33,600 light years from Earth; it reaches its annual culmination at astronomical midnight and is best observed mid August ...
Messier 53
Messier 53 is a globular star cluster located in the constellation Coma Berenices, about 58,000 light-years from Earth, and reaches its annual culmination at astronomical midnight and is best observed in mid April ...
Messier 56
Messier 56, a globular cluster in the constellation Lyra located about 32,900 to 33,000 light-years from Earth, reaches its annual culmination at astronomical midnight and is best observed in early July ...
Messier 71
Messier 71, a loosely concentrated globular cluster in the constellation Sagitta about 12,000 to 13,000 light-years from Earth, reaches its annual culmination at astronomical midnight and is best observed mid July ...
Messier 92
Messier 92, a bright and compact globular cluster in the constellation Hercules located about 26,700 to 27,000 light-years from Earth, reaches its annual culmination at astronomical midnight and is best observed in early June ...