description Sharpless 2-140 Overview
Sharpless 2-140, also known as S140, is an emission nebula and H II region in the constellation Cepheus, associated with the molecular cloud L1204. Its visible glow comes from gas ionized by young hot stars, while observations at infrared and radio wavelengths examine embedded objects and the surrounding star-forming material. The region is used in studies of clustered and massive-star formation.
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How good is Sharpless 2-140?
Sharpless 2-140 scores 6.84/10 (Fair) on Lunoo, making it rated in the Nebula category. Well-studied massive-star formation and layered cloud structure provide scientific strength, while modest visual distinctiveness limits popular appeal...
What are the best alternatives to Sharpless 2-140?
See our alternatives page for Sharpless 2-140 for a ranked list with scores. Top alternatives include: Sh2-132, Sh2-171, Sh2-140.
How does Sharpless 2-140 compare to Sh2-132?
See our detailed comparison of Sharpless 2-140 vs Sh2-132 with scores, features, and an AI-powered verdict.
Is Sharpless 2-140 worth it in 2026?
With a score of 6.84/10, Sharpless 2-140 is a solid option in Nebula. See all Nebula ranked.
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