Rosette Ha-RGB (Jared Willson)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 12 Mon · LBN 943 · LBN 948 · LBN 949 · 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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Rosette Ha-RGB

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Rosette Ha-RGB

The Rosette Nebula, also known as Caldwell 49 and as NGC 2237, is located at a distance of roughly 1,600 parsecs or 5,200 light years in the constellation Monoceros. It is approximately 130 ly in diameter. NGC 2244 is the open cluster residing in the core of the Rosette, and the hot, young O-type stars within NGC 2244 is the source of the UV light making the Rosette fluoresce. The nebula has an estimated mass of 10,000 suns. The hollow area at the core of the 'donut' of the Rosette is caused by radiation pressure from, primarily, two of the O-type stars, HD 46223 and HD 46150. The radiation from these stars is clearing out core of the nebula.

This image was obtained over the course of seven nights in December 2021 while trying to avoid clouds and high winds. Most of the data are H-Alpha since the moon was full during much of the imaging run, This H-Alpha data was supplemented with one night of RGB data. The Rosette covers about 1.5 degrees of sky, so I needed a two panel mosaic to capture the entire field of view presented here.

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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Mix of multiple sources
Other
Unknown

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.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
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	5352365
PixInsight job	ZTZ6501R51ZB6C47ED5NWA4RRUCSNX4L
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h31m53s.11
RA (top/left)	06h27m27s.66
RA (top/right)	06h27m35s.63
RA (bottom/right)	06h36m17s.81
RA (bottom/left)	06h36m11s.19

Dec (center)	+04°57′04″.1
Dec (top/left)	+05°47′57″.2
Dec (top/right)	+04°03′46″.4
Dec (bottom/right)	+04°06′02″.8
Dec (bottom/left)	+05°50′13″.3

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Rosette Ha-RGB

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Rosette Ha-RGB

Rosette Ha-RGB

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