description Sharpless 2-220 Overview
Sharpless 2-220, commonly known as the California Nebula, is a massive emission nebula located in the constellation Perseus. It was discovered by astronomer Edward Emerson Barnard in 1884 and formally cataloged as NGC 1499. The nebula derives its popular name from its distinctive shape, which closely resembles the geographic outline of the state of California. Its glowing hydrogen gas is energized by the intense ultraviolet radiation emitted by the nearby highly luminous star Xi Persei, making it a popular target for wide-field astrophotography.
help Sharpless 2-220 FAQ
What is the common name for the nebula Sharpless 2-220?
Sharpless 2-220 is widely known by astronomers as the California Nebula. It earned this nickname due to its glowing shape resembling the geographical outline of the state of California.
Who discovered the California Nebula (Sharpless 2-220)?
The nebula was discovered by the American astronomer Edward Emerson Barnard in 1884. It is officially cataloged in the New General Catalogue as NGC 1499.
In which constellation is Sharpless 2-220 located?
The California Nebula is located in the northern constellation of Perseus. It is an emission nebula that glows brightly due to the ionizing radiation from nearby stars.
What type of astronomical object is Sharpless 2-220?
Sharpless 2-220 is classified as an emission nebula. It consists of a massive cloud of glowing gas and cosmic dust situated hundreds of light-years away.
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