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NGC 262 (also known as Markarian 348) is the largest known spiral galaxy, [5] located in the constellation Andromeda. [1] It is a Seyfert 2 spiral galaxy located 287 million light years away. [2] It was discovered on 17 September 1885 by Lewis A. Swift. [4] According to A.M. Garcia, NGC 262 is a member of the NGC 315 Group (also known as LGG 14).
Nebula Maximum dimension (in light-years/parsecs) Type Notes NGC 262 Halo Cloud 1,300,000 ly (400,000 pc) [1] H I region: Spiral nebula surrounding NGC 262, which is one of the largest known galaxies. Leo Ring: 650,000 ly (200,000 pc) [2] HVC: A large ring of cold gas that formed from a collision of two galaxies. [3] Magellanic Stream
Map of the Vela Molecular Ridge. The Vela Molecular Ridge appears as a sequence of bright and dark nebulae, located on the northwestern side of Vela.The main sequence of nebulae that compose it is located a few degrees northwest of the star Lambda Velorum, while some dark ramifications also extend south of it, reaching the central areas of the constellation.
NGC 2626 is a reflection nebula, emission nebula, and absorption nebula in the constellation Vela. [ 4 ] [ 5 ] It is mostly illuminated by B1 star CD-40 4432 and ionized by the O8 quadruple star system HD 73882 , together with other stars.
Sharpless 101, Cygnus Star Cloud 105: Crescent Nebula: Sh2 105, NGC 6888, Sharpless 105, Caldwell 27 106: Celestial Snow Angel: Sh2-106, Celestial Snow Angel 117: North America Nebula: NGC 7000, Caldwell 20 125: Cocoon Nebula: IC 5146, Caldwell 19 140: Sh2-140: Sh2-140 155: Cave Nebula: Sh2-155, Caldwell 9 158: NGC 7538: Sh2-158, NGC 7538 162 ...
The Cone Nebula is an H II region in the constellation of Monoceros. It was discovered by William Herschel on December 26, 1785, at which time he designated it H V.27. The nebula is located about 830 parsecs or 2,700 light-years from Earth. The Cone Nebula forms part of the nebulosity surrounding the Christmas Tree Cluster.
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Objects in NGC 3603 and later in Cygnus OB2 were proposed as intermediate massive versions of the bright proplyds found in the Orion Nebula. The proplyd-like objects in Cygnus OB2 for example are 6 to 14 parsec distant to a large collection of OB stars and have tail lengths of 0.11 to 0.55 parsec (24,000 to 113,000 au).