Clusters, Nebulae, Galaxies

Deep-sky objects (DSO) are celestial objects that lie outside the Solar System. They comprise galaxies, planetary nebulae, and star clusters. Deep-sky objects appear as fuzzy spots to the naked eye and start to take shape when looked at through binoculars or a telescope. Here, you’ll learn when and how to observe the most famous DSOs.

Bortle Scale of Light Pollution

Understanding the Night Sky: The Bortle Scale

Infographics

Wondering if you can spot that galaxy or nebula from your backyard? 🌌Our infographic has the answers! Here we use the Bortle Scale to illustrate how light pollution affects what you see. Get to know the night sky and enhance your stargazing experience!

Pleiades Star Cluster

The Pleiades: One of the Best Naked-Eye Deep-Sky Objects

~9 min
Astronomical News

How many stars can be observed in the Pleiades star cluster? 💫 Most stargazers only see six – learn how to spot more!

Best Deep-Sky Objects for Beginners (Northern Hemisphere)

Best Deep-Sky Objects for Beginners (Northern Hemisphere)

Infographics

Learn how to see the brightest galaxies, nebulae, and star clusters in the Northern Hemisphere. Perfect for budding astronomers!

Stargazers looking at the Messier objects

Messier Marathon: How to See 110 Deep-Sky Objects In One Night?

~8 min
Astronomical News

Meet the Messier Marathon – a fun stargazing challenge! Discover how to find dazzling galaxies, star clusters, and nebulae in a single night. Are you ready to try?

Top 10 Deep-Sky Objects of March

Top 10 Deep-Sky Objects of March 2024

~5 min
Astronomical News

Learn about bright galaxies, star clusters, and nebulae that you can see in March. Most of the objects are visible in binoculars!

Star clusters visible in March 2022

Star Clusters in March

~2 min
Astronomical News

This March, multiple star clusters will be positioned favorably in the sky. Read this article to learn when and how you can see them.

The Beehive Cluster

The Beehive Cluster (Messier 44): 1000 Stars in Cancer’s Heart

~8 min
Astronomical News

The Beehive Cluster is one of the appealing deep-sky objects for both amateur and professional astronomers. You can find it in the sky, too! Discover when and where to see the cluster and what makes it special.

DSO in February 2024

Top 10 Deep-Sky Objects of February 2024

~6 min
Astronomical News

Learn about galaxies, nebulae, and star clusters that you can see in February 2024. Many of the objects in our list can be observed through binoculars.

NGC 2403

Top 10 Deep-Sky Objects of January 2024

~6 min
Astronomical News

Learn about 9 bright star clusters and 1 spiral galaxy that you can see in the sky in January.

Pleiades

Top 10 Deep-Sky Objects of December 2023

~5 min
Astronomical News

Discover the Andromeda Galaxy, Orion Nebula, Double Cluster in Perseus, and other bright deep-sky objects you can see in December.