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.

Christmas Stargazing

Christmas Sky 2025: What to Observe in the Late December Sky 2025?

~7 min
Astronomical News

Discover the best Christmas sky sights in December 2025: planets, meteors, festive constellations, and more – with easy tips for spotting them.

The Beehive Cluster

Beehive Star Cluster in Cancer: Stars, Location, Mythology

~8 min
Astronomical News

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.

Pleiades near Moon

Can You See the Pleiades Tonight? Learn How to See the M45 Star Cluster

~12 min
Astronomical News

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

Pleiades

Best Deep-Sky Objects By Month: December 2025

~10 min
Astronomical News

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

Best Deep-Sky Objects: Southern Hemisphere

Best Deep-Sky Objects for Beginners: Southern Hemisphere

Infographics

Learn how to see the brightest deep-sky objects of the southern sky. Some are even visible without optics!

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!

Halloween night sky

Stargazing Under the Halloween Night Sky: Uncover Spooky Celestial Wonders

~8 min
Astronomical News

Embrace the spirit of Halloween by exploring the spooky wonders of the cosmos, from demon stars to ghostly nebulae. Get all the cosmic treats this Halloween!

Deep-sky objects in November

Best Deep-Sky Objects By Month: November 2025

~11 min
Astronomical News

Want to see a distant galaxy or nebula with your own eyes? Learn about the best deep-sky objects you can observe in November.

Deep-sky objects in October

Best Deep-Sky Objects by Month: October 2025

~11 min
Astronomical News

See the famous Andromeda Galaxy and many other deep-sky objects this October. Many of them are visible to the naked eye!

Top 12 Deep-Sky Objects of September

Best Deep-Sky Objects by Month: September 2025

~10 min
Astronomical News

Explore the September sky with our guide to the brightest nebulae, star clusters, and galaxies. Get your binoculars and telescopes ready!