description Sharpless 2-112 Overview
Sharpless 2-112 is an HII emission nebula located in the constellation Cygnus, cataloged by American astronomer Stewart Sharpless in his 1959 survey of galactic nebulae. As a star-forming region, its ionized hydrogen gas emits a distinct red glow when energized by nearby massive, hot stars. The nebula is situated in the direction of the Orion Arm of the Milky Way galaxy. It remains a common observation target for amateur astrophotographers using specialized hydrogen-alpha filters.
help Sharpless 2-112 FAQ
What type of nebula is Sharpless 2-112?
Sharpless 2-112 is an H II emission nebula. It is a star-forming region where ionized hydrogen produces visible emission.
Where in the sky can Sharpless 2-112 be found?
The nebula is located in the constellation Cygnus. It is part of the catalog of galactic emission nebulae studied in the Milky Way.
Why does Sharpless 2-112 appear red?
Its red glow comes from ionized hydrogen gas energized by nearby massive stars. That emission is characteristic of an H II region.
Who catalogued Sharpless 2-112?
American astronomer Stewart Sharpless included it in his 1959 survey of galactic nebulae. The object is identified by the Sharpless catalog designation Sh 2-112.
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