Rosettes are Red - Bicolour NGC 2237 (Andy 01)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: NGC 2239 · NGC 2244 · Rosette nebula · The star 12Mon

Rosettes are Red - Bicolour NGC 2237, Andy 01

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Rosettes are Red - Bicolour NGC 2237

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Rosettes are Red - Bicolour NGC 2237

Would the Rosette Nebula by any other name look as sweet? The bland New General Catalog designation of NGC 2237 doesn't appear to diminish the appearance of this flowery emission nebula. 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 Monoceros.(text>Apod)

Bicolour test image - I will add S2 & RGB stars when the skies over Australia eventually clear up again. We have poor seeing due to lingering Bushfire smoke!

2 hrs 3nm Ha 600 sec subs

3 hrs 3nm O3 600 sec subs

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Newtonian 10" f4 CF + QSI 683

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Rosettes are Red - Bicolour NGC 2237

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