Celestial hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  15 S Mon  ·  B39  ·  Christmas Tree Cluster  ·  NGC 2264  ·  Sh2-273  ·  The star 15Mon
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NGC 2264 - Cone Nebula and Christmas Tree Cluster, Paul Ricker
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NGC 2264 - Cone Nebula and Christmas Tree Cluster

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NGC 2264 - Cone Nebula and Christmas Tree Cluster, Paul Ricker
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NGC 2264 - Cone Nebula and Christmas Tree Cluster

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Description

The Cone Nebula and Christmas Tree Cluster (NGC 2264), a star-forming region about 830 pc away in Monoceros. The Cone is the upward-pointing triangle near the bottom, while the Tree is inverted with its tip touching the tip of the Cone. The nebulosity just to the right of the bright star S Monocerotis is called the Fox Fur Nebula, though it's not obvious to me why.

HaRGB, with H alpha and R combined using Lighten in Photoshop.

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NGC 2264 - Cone Nebula and Christmas Tree Cluster, Paul Ricker