description Sharpless 2-129 Overview
Sharpless 2-129, commonly known as the Flying Bat Nebula, is a large emission nebula located in the constellation Cepheus. It is an H II region cataloged by astronomer Stewart Sharpless, characterized by glowing ionized gas surrounding hot, young stars. The nebula is notable for containing Ou4, also known as the Giant Squid Nebula, a distinct bipolar outflow discovered in 2011 that appears in blue OIII emissions. Astrophotographers frequently target this region due to its complex structure and faint, sprawling outer details.
help Sharpless 2-129 FAQ
What is the common name for the nebula Sharpless 2-129?
Sharpless 2-129 is commonly known by astronomers and astrophotographers as the Flying Bat Nebula. It is a large emission nebula characterized by its distinct, sprawling shape.
Where is the Flying Bat Nebula located in the night sky?
The nebula is located in the northern constellation of Cepheus. This constellation is visible in the northern hemisphere and contains several other famous deep-sky targets.
What type of astronomical object is Sharpless 2-129?
It is classified as an H II region, which is a vast cloud of glowing ionized gas surrounding hot, young stars. The intense ultraviolet radiation from these stars causes the surrounding hydrogen gas to emit a striking red glow.
Who cataloged the Flying Bat Nebula?
The nebula was cataloged by the American astronomer Stewart Sharpless in his famous 1959 catalog of H II regions. His catalog systematically identified hundreds of emission nebulas across the Milky Way galaxy.
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