Celestial hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  12 Mon  ·  12.31  ·  12.59  ·  13 Mon  ·  130 Elektra  ·  137 Meliboea  ·  14 Mon  ·  14.16  ·  15 S Mon  ·  16 Mon  ·  17 Mon  ·  18 Mon  ·  345 Tercidina  ·  B37  ·  B38  ·  B39  ·  Christmas Tree Cluster  ·  Great Bird Cluster  ·  Hubble's variable neb  ·  IC 2169  ·  IC 446  ·  IC 447  ·  IC 448  ·  Monoceros  ·  NGC 2236  ·  NGC 2237  ·  NGC 2238  ·  NGC 2239  ·  NGC 2245  ·  NGC 2246  ·  And 36 more.
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Monoceros Molecular Cloud Rosette & Cone Nebula, Bi-colour HOO, astrobdlbug
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Monoceros Molecular Cloud Rosette & Cone Nebula, Bi-colour HOO

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Monoceros Molecular Cloud Rosette & Cone Nebula, Bi-colour HOO, astrobdlbug
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Monoceros Molecular Cloud Rosette & Cone Nebula, Bi-colour HOO

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Description

3 Panel mosaic Samyang135mm with longer FL images I aquired in with AT106EDT of Rosette and Cone regions rescaled and combined into final image - same camera ASI1600MM

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. It was independently discovered in the 1880s by Lewis Swift (early 1880s) and Edward Emerson Barnard (1883) as they hunted for comets.

The Christmas Tree Cluster (NGC 2264) is another open cluster in Monoceros. Named for its resemblance to a Christmas tree, it is fairly bright at an overall magnitude of 3.9; it is 2400 light-years from Earth. The variable star S Monocerotis represents the tree's trunk, while the variable star V429 Monocerotis represents its top.

The Cone Nebula (NGC 2264), associated with the Christmas Tree Cluster, is a very dim nebula that contains a dark conic structure. It appears clearly in photographs, but is very elusive in a telescope. The nebula contains several Herbig–Haro objects, which are small irregularly variable nebulae. They are associated with protostars.

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  • Monoceros Molecular Cloud Rosette & Cone Nebula, Bi-colour HOO, astrobdlbug
    Original
  • Final
    Monoceros Molecular Cloud Rosette & Cone Nebula, Bi-colour HOO, astrobdlbug
    B

B

Description: Reprocess to equalize star sizes between panels and use data from latest Rosette narrowband image including colour update

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Monoceros Molecular Cloud Rosette & Cone Nebula, Bi-colour HOO, astrobdlbug

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