Rosette Nebula (Benjamin Law)

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

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Rosette Nebula

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Rosette Nebula

My fist picture in 2021.

A total of 14 hours exposure including for about 5 hours data from last night with previous data from 2018. This time I added more colors to the stars and a few hours of Duo Narrowband data to the color CMOS camera.

Inside the nebula lies an open cluster of bright young stars designated NGC 2244. These stars formed about four million years ago from the nebular material and their stellar winds are clearing a hole in the nebula's center, insulated by a layer of dust and hot gas. Ultraviolet light from the hot cluster stars causes the surrounding nebula to glow. The Rosette Nebula spans about 100 light-years across, lies about 5000 light-years away, and can be seen with a small telescope towards the constellation of the Unicorn

Bortle 7 from Southern Ontario

Rosette Nebula; Sky Watcher Evostar 80, 0.8X FR, ASI294MC-Pro; -15C; Total 14 hours exposure (with Duo NB filter: 23x420s 350Gain, 177x180s 400Gain) + 34x300s 150Gain RGB; 20 Darks 20 Flats

Nebula

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Status	Basic success
Started	...
Astrometry.net job	4138487
PixInsight job	n/a
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