Orion Nebula Complex in H-alpha (JDJ)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 the01 Ori · 42 c Ori · 43 the02 Ori · 44 iot Ori · 45 Ori · De Mairan's nebula · Great Nebula in Orion · Hatysa · IC 430 · M 42 · M 43 · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1981 · NGC 1982 · NGC 1999 · Sh2-279 · Sh2-281 · The star 42Ori · The star 45Ori · The star θ1Ori · The star θ2Ori · The star ιOri · VdB42 · VdB44

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Orion Nebula Complex in H-alpha

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Orion Nebula Complex in H-alpha

Over the past few months, I revisited the Orion Nebula Complex with my new imaging setup consisting of a WO GT81 APO refractor and full-spectrum modified Nikon D5300 DSLR. This time I imaged with a 12nm H-alpha filter. I plan to combine this narrowband data with OSC RGB data...

M42/M43/Running Man Nebulas imaged on January 14&15, 2019 with WO GT81 at F4.7 (382 mm focal length) using Flat6A II field flattener/0.8x reducer, Optolong 12nm Hydrogen Alpha Filter, and full spectrum modified Nikon D5300. Stacked using PI for a total integration time of ~3.5 hours using 180 sec subs at ISO 400. Calibrated using batch pre-processing (BPP) script using darks, bias, and flats. Registered and stacked using StarAlighment and Integration. Post-processed in Pixinsight: Cropped, gradient removal with DBE, MLT noise reduction, stretched using Histogram Transformation Tool, Curves Transformation, TGVDenoise, HDR Multiscale Transform, Local Histogram Equalization, and Morphological Transformation to shrink stars.

The refractors!
Cloudy Nights
DSLR narrowband
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Orion

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Status	Advanced success
Started	...
Astrometry.net job	2486964
PixInsight job	GR8TETVGZBXXWKBUVXE4ESDSBDO1C9DS
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h35m14s.78
RA (top/left)	05h31m04s.40
RA (top/right)	05h30m28s.17
RA (bottom/right)	05h39m27s.33
RA (bottom/left)	05h39m59s.23

Dec (center)	-05°23′28″.7
Dec (top/left)	-03°39′17″.4
Dec (top/right)	-07°02′00″.9
Dec (bottom/right)	-07°07′43″.6
Dec (bottom/left)	-03°44′55″.3

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Orion Nebula Complex in H-alpha

Orion Nebula Complex in H-alpha

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Orion Nebula Complex in H-alpha

Orion Nebula Complex in H-alpha

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