description Sharpless 2-91 Overview
help Sharpless 2-91 FAQ
What is Sharpless 2-91?
Sharpless 2-91 is a faint planetary nebula in the constellation Cygnus. It is notable for its detailed filamentary structure.
What makes Sharpless 2-91 interesting to astronomers?
The nebula has intricate filaments and a central binary system. Those features make it more structurally complex than a simple, smooth shell.
Where is Sharpless 2-91 located?
It is located in Cygnus, a constellation in the northern sky. The object is faint, so observing it generally requires suitable astronomical equipment.
Is Sharpless 2-91 a galaxy or a nebula?
It is a planetary nebula, not a galaxy. Its visible structure comes from material associated with a dying star system.
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