description Sharpless 2-199 Overview
Sharpless 2-199, also catalogued as Westerhout 5 (W5) and popularly known as the Soul Nebula, is an emission nebula and H II region in the constellation Cassiopeia, approximately 7,500 light-years from Earth. It is an active star-forming region within the Perseus Arm of the Milky Way and contains the young open cluster IC 1848. The nebula is part of a complex of neighboring interstellar clouds sometimes called the "Heart and Soul" nebulae, with the Heart Nebula (IC 1805) located nearby. It was catalogued by astronomer Stewart Sharpless in his 1959 survey of H II regions.
help Sharpless 2-199 FAQ
What is Sharpless 2-199 more commonly known as?
Sharpless 2-199 is popularly known as the Soul Nebula. It is also officially catalogued as Westerhout 5 (W5).
Where is the Soul Nebula located?
The nebula is located in the constellation Cassiopeia, approximately 7,500 light-years from Earth. It resides within the Perseus Arm of the Milky Way galaxy.
What type of astronomical object is Sharpless 2-199?
It is an emission nebula and an H II region, meaning it consists of ionized gas glowing with light. It is particularly notable for being a highly active star-forming region.
How does the Soul Nebula relate to the Heart Nebula?
The Soul Nebula is often mentioned alongside the nearby Heart Nebula (IC 1805) due to their physical proximity in space. Both are massive stellar nurseries located in the Perseus Arm of the Milky Way.
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