NGC2264 Ha (Sergiy_Vakulenko)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 13 Mon · 14 Mon · 15 S Mon · 16 Mon · B37 · B38 · B39 · Christmas Tree Cluster · Hubble's variable neb · IC 2169 · IC 446 · IC 447 · IC 448 · NGC 2245 · NGC 2247 · NGC 2251 · NGC 2254 · NGC 2259 · NGC 2261 · NGC 2264 · PK201+02.1 · Sh2-273 · The star 13Mon · The star 15Mon · The star 16Mon · VdB77 · VdB78 · VdB79

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NGC2264 Ha

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NGC2264 Ha

Clouds of glowing hydrogen gas fill this skyscape in the faint but fanciful constellation Monoceros, the Unicorn. A star forming region cataloged as NGC 2264, the complex jumble of cosmic gas and dust is about 2,700 light-years distant and mixes emission nebulae excited by energetic light from newborn stars with dark interstellar dust clouds. The telescopic image spans about 5°x4°.

It captures the Cone nebula and Fox Fur Nebula, with its folded skin positioned just below the bright star in the center of the frame - S Mon.

Of course, the stars of NGC 2264 are also known as the Christmas Tree star cluster. The triangular tree shape is seen on its side here. Traced by brighter stars it has its apex at the Cone Nebula. The tree's broader base is centered near S Mon.

To the left of the center of the frame is an object very similar to a comet, which is actually the Hubble variable nebula, or NGC2261, which lies 2500 light-years away. The nebula got its name in honor of the American astronomer Edwin P. Hubble, who was one of the first to study this object. In 1916, Edwin Hubble, analyzing images of the nebula taken at intervals of several years, discovered that the shape and brightness of the nebula change over time. The nebula is interesting in that it is a fan-shaped cloud of gas and dust, which is illuminated by the bright star r Mon, which is located in the above image below, at the base of the nebula. According to astronomers, dense condensations of dust near the star cast shadows and change the illumination of the nebula as they move.

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Status	Advanced success
Started	...
Astrometry.net job	4136206
PixInsight job	LUBO2LAHROQU8FM45ILFO6IOGJQZ26AD
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h38m57s.41
RA (top/left)	06h46m29s.79
RA (top/right)	06h48m15s.47
RA (bottom/right)	06h31m17s.75
RA (bottom/left)	06h29m47s.10

Dec (center)	+09°47′21″.5
Dec (top/left)	+07°01′12″.5
Dec (top/right)	+12°13′23″.3
Dec (bottom/right)	+12°32′43″.7
Dec (bottom/left)	+07°20′29″.0

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NGC2264 Ha

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