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!

Guess the Nebula!
Nebulae are giant clouds of interstellar dust and gas. They can take all kinds of unusual shapes, and astronomers often give them quite unexpected names. In this fun quiz, you'll need to guess the nebula's name by its photo. Let's see how many you can guess right!

Deep-Sky Objects of February 2023
From this article, you’ll learn more about deep-sky objects. The list of galaxies and star clusters visible in February is included!

Best Deep-Sky Objects in January 2023
Learn about several bright star clusters and one spiral galaxy that you can see in the sky in January.

November Deep-Sky Objects: Top-5
Want to see a distant galaxy with your own eyes? Learn about the deep-sky objects you can observe in November.

Visible Galaxies and Star Clusters in October 2022
Can you see the Andromeda Galaxy from Earth? Yes, you can! Check out our list of galaxies and star clusters you can observe this October.

The Andromeda Galaxy (Messier 31) – Giant Galaxy Gazing on Moonless Nights
The Andromeda Galaxy is the closest big neighbor of our Milky Way. 🌌This September, you can see it even with the naked eye! Check the article to learn how.

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!

Deep-Sky Objects in July 2022
The Tweedledee star cluster is in the sky. 🤡 Find out what other deep-sky objects can be seen with the naked eye this month!

Deep-Sky Objects in June 2022
This June, observe faraway star clusters and see the Moon meeting deep-sky objects! Read on not to miss the beauty. 🌌