description Squid Nebula Overview
The Squid Nebula, formally designated OU4, is a faint emission nebula located within the Cepheus OB Association. It’s recognized by its distinctive bipolar outflow structure, resembling a squid's tentacle. This outflow, rich in oxygen emissions, extends over one degree and is associated with several bright O-type stars. Astronomers and amateur observers interested in observing complex nebular structures and stellar associations find it particularly noteworthy.
insights Why this score
Squid Nebula ranks #79 of 577 in the Nebula ranking, behind Thor's Helmet Nebula, ahead of Bow-Tie Nebula.
Squid Nebula is highly prized for rarity, difficulty, and dramatic form within the Flying Bat field.
help Squid Nebula FAQ
How good is Squid Nebula?
What are the best alternatives to Squid Nebula?
How does Squid Nebula compare to Ou4?
Is Squid Nebula worth it in 2026?
explore Explore More
Similar to Squid Nebula
See all arrow_forwardReviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.