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The Rosette Nebula (also known as Caldwell 49) is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter.
NGC 2244 (also known as Caldwell 50 or the Satellite Cluster) is an open cluster in the Rosette Nebula, which is located in the constellation Monoceros. This cluster has several O-type stars, super hot stars that generate large amounts of radiation and stellar wind. The age of this cluster has been estimated to be less than 5 million years.
The Rosette Nebula (NGC 2237, 2238, 2239, and 2246) is a diffuse nebula in Monoceros. It has an overall magnitude of 6.0 and is 4900 light-years from Earth. The Rosette Nebula, over 100 light-years in diameter, has an associated star cluster and possesses many Bok globules in its dark areas.
The Rosette Nebula, an example of a Strömgren sphere In theoretical astrophysics , there can be a sphere of ionized hydrogen (H II) around a young star of the spectral classes O or B . The theory was derived by Bengt Strömgren in 1937 and later named Strömgren sphere after him.
(Part of the Rosette Nebula) Diffuse nebula [1] Monoceros: 06 h 32 m [1] +05° 07′ [1] 9 2261: Hubble's Variable Nebula Diffuse nebula: Monoceros: 06 h 39 m 10 s +08° 44′ 09″ 2264: Christmas Tree Cluster, Snowflake Cluster and the Fox Fur Nebula. Open cluster: Monoceros: 06 h 40 m 52 s +09° 52′ 37″ 3.9 2266: Open cluster: Gemini: 06 ...
The Rosette Nebula is an example of an unusual shape that an elephant trunk can assume. It has a double helix structure instead of the normal straight column. [ 10 ] The double helix is caused by the presence of magnetic fields and electric currents lined up along the trunk axis of the trunks.
Hubble's Variable Nebula: Nebula: 2.5 Monoceros - C47 NGC 6934 Globular Cluster: 57 Delphinus: 8.9 C48 NGC 2775 Spiral Galaxy: 55,000 Cancer: 10.3 C49 NGC 2237: Rosette Nebula: Nebula: 4.9 Monoceros: 9.0 C50 NGC 2244: Satellite Cluster [9] Open Cluster: 4.9 Monoceros: 4.8 C51 IC 1613 Irregular galaxy: 2,300 Cetus: 9.3 C52 NGC 4697 Elliptical ...
HD 259431 lies in the northern portion of Monoceros, between Orion and Canis Minor, along with the spectacular Rosette Nebula and NGC 2264 region. It is half a degree from the faint IC 447 reflection nebula. HD 259431 is seen against NGC 2247, a small reflection nebula and star-forming region. It has been considered to be the illuminating ...