Rosette Nebula in H-alpha (JDJ)

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

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Rosette Nebula in H-alpha

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Rosette Nebula in H-alpha

The Rosette nebula is a flower-shaped HII emission nebula located in Monoceros. The open star cluster NGC 2244 is located at the center of the nebula.

Imaged on Feburary 9th and 13th , 2019 with WO GT81 at F4.7 (382 mm focal length) using Flat6A II field flattener/0.8x reducer, Optolong 12nm H-alpha Filter, and full spectrum modified Nikon D5300.

Calibrated using batch pre-processing (BPP) script using darks, bias, and flats. Extracted red channel. Registered and stacked using StarAlighment and Integration. Total integration time of ~3 hours using 68 subs at ISO400x180 sec. Post-processed in Pixinsight: Cropped, gradient removal with DBE and ABE, MLT noise reduction, stretched using Histogram Transformation Tool, Curves Transformation, TGVDenoise, HDR Multiscale Transform, Local Histogram Equalization, and Morphological Transformation.

Cloudy Nights
DSLR narrowband
Suburban Astrophotography

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Status	Advanced success
Started	...
Astrometry.net job	2560407
PixInsight job	0W3UV7Q94B974CBIHFK2FPJJBPP1VV1E
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h32m28s.17
RA (top/left)	06h28m08s.50
RA (top/right)	06h27m52s.80
RA (bottom/right)	06h36m47s.52
RA (bottom/left)	06h37m04s.23

Dec (center)	+04°57′42″.7
Dec (top/left)	+06°26′58″.5
Dec (top/right)	+03°30′55″.1
Dec (bottom/right)	+03°28′01″.6
Dec (bottom/left)	+06°24′00″.3

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Rosette Nebula in H-alpha

Rosette Nebula in H-alpha

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Rosette Nebula in H-alpha

Rosette Nebula in H-alpha

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