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.

Pleiades near Moon

Where Are the Pleiades Tonight? Meet the Seven Sisters Star Cluster

~16 min
Astronomical News

Find the Pleiades star cluster tonight: here’s where to look in the sky, when the Seven Sisters are visible, how to spot them from your location, and when the Moon passes nearby.

Beehive Star 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.

Coolest Space Objects in November

Deep-Sky Objects in November 2026: Best Observing and Astrophotography Targets

~12 min
Astronomical News

Learn about the best deep-sky objects you can observe and photograph in November — some of them are visible even to the naked eye!

Halloween Night Sky

Halloween Night Sky: Spooky Stargazing

~9 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!

Astrophotography Targets in October

Best Astrophotography Targets by Month: October Deep Sky Objects

~9 min
Astronomical News

Discover the best October astrophotography targets, from bright galaxies and nebulae to star clusters, with practical tips for observation and photography.

Seestar S50 Pro tested under city skies.

Seestar S50 Pro Review: Performance Under City Skies

~8 min
Astronomical News

We tested the Seestar S50 Pro under city skies on galaxies, nebulae, planets, the Moon, and more. See our results and impressions.

Coolest Space Objects in September

Best September Astrophotography Targets: Brightest Galaxies, Star Clusters & Nebulae

~14 min
Astronomical News

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

Coolest Space Objects in August

Best August Astrophotography Targets: Brightest Messier Objects & More in August

~14 min
Astronomical News

Explore the best astrophotography targets in the August sky, including galaxies, nebulae, and star clusters. Learn tips for capturing them!

Astronomy With Binoculars: Best Night-Sky Objects to See

Best Night-Sky Objects to See With Binoculars

~19 min
Astronomical News

Learn what you can see with binoculars: the Moon, Jupiter, Andromeda Galaxy, Orion Nebula, star clusters, comets, satellites, and more.

Coolest Space Objects in July

Best July Astrophotography Targets: Deep-Sky Objects to Capture This Month

~12 min
Astronomical News

Discover the best July astrophotography targets: bright nebulae, galaxies, and star clusters to capture this month, with tips for beginners.