description Sh2-206 Overview
Sh2-206, also designated as NGC 1491, is an H II region and bright emission nebula located in the constellation Perseus. It was discovered by the astronomer William Herschel in 1790 and is located roughly 11,000 light-years from Earth. The nebula is ionized and illuminated by the ultraviolet radiation of a central, massive star, creating a glowing cloud of hydrogen gas. It is studied by astronomers and observed by astrophotographers interested in deep-sky objects within the Milky Way.
help Sh2-206 FAQ
What is Sh2-206 also called?
Sh2-206 is also designated NGC 1491. It is a bright emission nebula and H II region in the constellation Perseus.
Where is Sh2-206 located?
Sh2-206 is located in the constellation Perseus. It is roughly 11,000 light-years from Earth.
Who discovered NGC 1491?
The nebula was discovered by William Herschel in 1790. Modern catalogues also identify it as Sh2-206.
Why does Sh2-206 shine?
Sh2-206 is an ionized emission nebula illuminated by energetic stars. Its ionized gas produces the bright glow associated with an H II region.
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