Messier 39

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What Wikipedia says

Messier 39 or M39, also known as NGC 7092, is an open cluster of stars in the constellation of Cygnus, sometimes referred to as the Pyramid Cluster. It is positioned two degrees south of the star Pi Cygni and around 9° east-northeast of Deneb.

Excerpt from the Wikipedia article “Messier 39”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Christian van Endern, CC BY-SA 3.0, via Wikimedia Commons.