Star Clusters

Deep-Sky Objects

Globular cluster NGC 6441, globular cluster NGC 6496, and the Cat’s Eye Nebula (NGC 6543)

Deep-Sky Objects, Stars

Buried in the heart of a giant

Deep-Sky Objects, Stars

Web Extra: Tour 10 autumn binocular highlights

Deep-Sky Objects

Globular cluster NGC 6397, emission nebula NGC 6559, and globular cluster NGC 6287

Deep-Sky Objects, Galaxies

Open cluster NGC 6416, globular cluster NGC 6380, and spiral galaxy NGC 6384

Deep-Sky Objects

Open cluster IC 4665, the Box Nebula (NGC 6445), and globular cluster NGC 6539

Deep-Sky Objects, Stars

Two odd couples

Deep-Sky Objects, Robotic Spaceflight, Stars

Hubble catches a stellar exodus in action

Deep-Sky Objects, Stars

The Very Large Telescope discovers new kind of globular star cluster

Deep-Sky Objects, Stars

ALMA discovers proto super star cluster

Deep-Sky Objects

Weird Object: Omega Centauri

Deep-Sky Objects, Galaxies

Open cluster NGC 3572, spiral galaxy NGC 3511, and elliptical galaxy NGC 3610