NGC 2237 The Rosette Nebula in Monoceros (Harri Heikkinen)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: NGC 2239 · NGC 2244 · NGC 2252 · Rosette nebula · The star 12Mon

NGC 2237 The Rosette Nebula in Monoceros, Harri Heikkinen

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NGC 2237 The Rosette Nebula in Monoceros

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NGC 2237 The Rosette Nebula in Monoceros

The Rosette Nebula (NGC 2237, Caldwell 49) has been in my bucket list for a while. After last year's failed attempt this time had more suitable focal lenght scope, plus managed to get way more subs over two nights. It was also the first light of a new Altair 0.8x focal reducer which gave much better flat field than the old WO 0.8x reducer used previously.

Seeing did not cooperate much either of the nights, so had to discard a lot of subs due to some thin clouds or haze. Thus the image is far from perfect but I'm happy that something came out of it after all.

Modified Canon 1100d @ ISO 1600, ToupTek Toupcam G-1200KPB mono guidecamera. Lights: 46x180" + 14x120". Calibration: 40 flats, 20x180" + 20x120" darks, 20 dark flats, 20 bias.

Thanks for watching and clear skies!

Suburban Astrophotography
Broadband under Bortle 7/8/9
Imaged with APT
Beginners AP
"Nordish by nature"

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NGC 2237 The Rosette Nebula in Monoceros

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