Clusters
Dense swarms of stars bound by gravity, from young open clusters to ancient globulars.
M5: Globular Cluster in Serpens
One of the oldest and largest globular clusters in the Milky Way, its blazing core surrounded by a vast swarm of red giants and blue stars.
11h 25m • 2024, 2026
M13: The Great Globular Cluster in Hercules
One of the most spectacular globular clusters in the northern sky, a dense sphere of several hundred thousand ancient stars resolved right down to its core.
6m • 2023
M22: The Great Sagittarius Cluster
One of the nearest globular clusters to Earth, set against the dense star fields of the Milky Way toward the galactic center.
6h 10m • 2023
M45: The Pleiades
The famous Seven Sisters open cluster, its hot blue stars wrapped in delicate wisps of reflection nebula.
7h 15m • 2022