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.
Stargazing Under the Halloween Night Sky: Uncover Spooky Celestial Wonders
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!
Best Deep-Sky Objects By Month: November 2025
Want to see a distant galaxy or nebula with your own eyes? Learn about the best deep-sky objects you can observe in November.
Can You See the Pleiades Tonight? Learn How to See the M45 Star Cluster
How many stars can be observed in the Pleiades star cluster? 💫 Most stargazers only see six – learn how to spot more!
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: October 2025
See the famous Andromeda Galaxy and many other deep-sky objects this October. Many of them are visible to the naked eye!
Best Deep-Sky Objects by Month: September 2025
Explore the September sky with our guide to the brightest nebulae, star clusters, and galaxies. Get your binoculars and telescopes ready!
Best Deep-Sky Objects by Month: August 2025
Explore the August sky with our guide to the best galaxies, nebulae, and star clusters. Exciting astrophotography targets included!
Milky Way Quiz: Discover the Answers Right Away!
Other Milky Way quizzes: BORING! Star Walk's Milky Way quiz: FUN! Take the challenge and see for yourself.
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!
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!