Nebulae

Deep-Sky Objects

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

Deep-Sky Objects, Stars

SPHERE reveals earliest stage of planetary nebula formation

Deep-Sky Objects

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

Deep-Sky Objects, Galaxies

The Purkinje effect, the White-eyed Pea (IC 4593), and spiral galaxy NGC 5985

Deep-Sky Objects, Stars

A bubbly cosmic celebration

Deep-Sky Objects, Galaxies, Stars

Double stars 32 Camelopardalis and Zubenelgenubi, elliptical galaxy Virgo A (M87), and the Theoretician’s Planetary (IC 3568)

Deep-Sky Objects, Stars

The dreadful beauty of Medusa

Deep-Sky Objects, The Sun

The Real Reality Show: How the Sun Will Die

Deep-Sky Objects, Stars

A grand extravaganza of new stars

Deep-Sky Objects

Open cluster NGC 2439, open cluster NGC 2506, and planetary nebula NGC 2610

Deep-Sky Objects

Open cluster NGC 2421, open cluster NGC 2477, and emission nebula Sharpless 2–311

Deep-Sky Objects

Weird Object: The Boomerang Nebula