Deep Sky

Hunting Bright Variable Stars in M5 and M13

Globular clusters are packed with variable stars, some of which are easy to see and follow in amateur telescopes. We explore M5 and M13, two of the season's finest.

Clusters

Astrophotography: Tips & Techniques

Star Clusters: The Low Hanging Fruit of Astrophotography

Star clusters are a terrific way to practice your astrophotography fundamentals!

Stellar Science

When a Star and a Binary Meet

What happens in the extreme environments of globular clusters when a star and a binary system meet? A team of scientists has new ideas about how these objects can deform, change their paths, spiral around each other, and merge.

Explore the Night with Bob King

Gobs of Globs — Tour 16 Spring Globular Clusters

Chandeliers of the galaxy, these distant stellar swarms fire our sense of wonder. Hop on and we'll tour 16 of season's finest!

Cast of Sparkling Characters

Explore the Night with Bob King

Palling Around With Palomar Globular Clusters

The intriguing Palomar globular clusters will challenge observers with modest to large telescopes, while providing a satisfying ramble around the galactic halo.

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