NGC 2237 -- Rosette Nebula (Richard Beck)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 12 Mon · NGC 2237 · NGC 2238 · NGC 2239 · NGC 2244 · NGC 2246 · NGC 2252 · Rosette A · Rosette B · Rosette Nebula · Sh2-275 · The star 12Mon

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NGC 2237 -- Rosette Nebula

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NGC 2237 -- Rosette Nebula

From Wikipedia:

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.

The complex has the following New General Catalogue (NGC) designations:

NGC 2237 – Part of the nebulous region (Also used to denote whole nebula)

NGC 2238 – Part of the nebulous region

NGC 2239 – Part of the nebulous region (Discovered by John Herschel)

NGC 2244 – The open cluster within the nebula (Discovered by John Flamsteed in 1690)

NGC 2246 – Part of the nebulous region

The cluster and nebula lie at a distance of 5,000 light-years from Earth and measure roughly 130 light years in diameter. The mass of the nebula is estimated to be around 10,000 solar masses.

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The first amateur image I saw of this nebula is one Gary Imm shared with several of our former colleagues after a luncheon for one who was retiring. That image is not posted on Astrobin because he has others he likes better.

I opted to go narrowband only for this target. I processed SHO, HOS, Jon Rista's TriColor Natural and HOO versions. After looking at all of them, I opted to post the SHO version. I believe it best depicts the three channels.

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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	4155791
PixInsight job	PTRGEBYDE8W93PU6A0A4IS3OVR4RLPNS
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h31m52s.50
RA (top/left)	06h35m33s.43
RA (top/right)	06h28m00s.93
RA (bottom/right)	06h28m12s.13
RA (bottom/left)	06h35m43s.58

Dec (center)	+04°58′56″.9
Dec (top/left)	+05°45′50″.9
Dec (top/right)	+05°42′35″.0
Dec (bottom/right)	+04°11′52″.3
Dec (bottom/left)	+04°15′10″.3

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NGC 2237 -- Rosette Nebula

NGC 2237 -- Rosette Nebula

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NGC 2237 -- Rosette Nebula

NGC 2237 -- Rosette Nebula

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