description NGC 7139 Overview
NGC 7139 is a faint planetary nebula in the constellation Cepheus. It has a roughly circular appearance and a low surface brightness, making it more difficult to observe than compact, brighter planetary nebulae. The nebula lies approximately 3,300 light-years from the Sun and represents the expelled outer layers of a star that has reached a late stage of stellar evolution.
help NGC 7139 FAQ
How good is NGC 7139?
NGC 7139 scores 5.06/10 (Mediocre) on Lunoo, making it rated in the Nebula category.
What are the best alternatives to NGC 7139?
See our alternatives page for NGC 7139 for a ranked list with scores. Top alternatives include: IC 289, Jones-Emberson 1, NGC 6772.
How does NGC 7139 compare to IC 289?
See our detailed comparison of NGC 7139 vs IC 289 with scores, features, and an AI-powered verdict.
Is NGC 7139 worth it in 2026?
With a score of 5.06/10, NGC 7139 is a solid option in Nebula. See all Nebula ranked.
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