description Abell 31 Overview
Abell 31 is a large, faint planetary nebula in the constellation Cancer and is also cataloged as Sh2-290. It consists of ionized gas expelled by a dying star, with an old, diffuse shell that is interacting with and dispersing into the surrounding interstellar medium. Because its light is spread across a broad area and has low surface brightness, it is primarily a target for astrophotographers and observers using sensitive imaging equipment.
help Abell 31 FAQ
How good is Abell 31?
Abell 31 scores 7.02/10 (Good) on Lunoo, making it a well-rated option in the Nebula category.
What are the best alternatives to Abell 31?
See our alternatives page for Abell 31 for a ranked list with scores. Top alternatives include: Abell 46, Abell 74, Abell 20.
How does Abell 31 compare to Abell 46?
See our detailed comparison of Abell 31 vs Abell 46 with scores, features, and an AI-powered verdict.
Is Abell 31 worth it in 2026?
With a score of 7.02/10, Abell 31 is a solid option in Nebula. See all Nebula ranked.
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