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.
The Pleiades: One of the Best Naked-Eye Deep-Sky Objects
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 by Month: July 2025
Discover the best deep-sky objects to observe in July – from colorful nebulae to distant galaxies and star clusters. Perfect for stargazing and astrophotography!
Beehive Star Cluster in Cancer: Stars, Location, Mythology
Bright, beautiful, and easy to spot — the Beehive Cluster is a must-see. Learn how to find this star cluster and what makes it special.
Best Deep-Sky Objects by Month: June 2025
Explore the best deep-sky objects you can see in June. Beautiful nebulae and star clusters await!
Milky Way Galaxy: All You Need To Know
How many stars are in the Milky Way? What is at its center? How do we know what it looks like? Read this article to answer these and more questions.
List of 15 Brightest Star Clusters
Find here the 15 brightest star clusters you can see without any special equipment. Observing deep-sky objects is easier than you think!
Best Deep-Sky Objects by Month: May 2025
Learn about the 15 deep-sky objects that you can see in May 2025. Many of them can be observed through binoculars!
Best Deep-Sky Objects by Month: April 2025
Here are the galaxies, nebulae, and star clusters that you can see in April 2025. Most of them can be observed through binoculars!
Top Star Clusters in March: Pleiades, Wishing Well, Beehive
This March, multiple star clusters will be positioned favorably in the sky. We’ve picked the best for you – learn how to see them!
Messier Marathon 2025: How to See 110 Deep-Sky Objects In One Night?
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?