NGC 7380 Wizard Nebula in modified HSO (Aaron Freimark)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: NGC 7380 · PK107-00.1 · Sh2-142 · Sh2-143

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NGC 7380 Wizard Nebula in modified HSO

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NGC 7380 Wizard Nebula in modified HSO

I believe the Wizard is conjuring a spell to make the U.S. President disappear.

For Ha/OIII/SII:

- WeightedBatchProcessing (calibrate only), Subframe Selector, Image Registration, Local Normalization, Image Integration, Drizzle Integration

- EZ Denoise

- Arcsinh Stretch

- EZ Star Reduce

L:

- Duplicate the preprocessed and stretched Ha

- Local Histogram Equalization

- StarNet to remove stars

RGB:

- PixelMath with R: 0.8*Ha + 0.2*SII / G: 0.4*Ha + 0.6*SII /
B: OIII

- StarNet to remove stars to a second image

- LRGB Combination to apply the Luminance L layer (all starless)

- Curves Transformation to slightly increase saturation (all starless)

- Unsharp Mask (all starless)

star_mask:

- SCNR to remove green star halos

- Morphological Transformation to reduce star sizes slightly

RGB:

- Add stars back with PixelMath, K: 1-((1-RGB) * (1-star_mask))

I think this is an improvement over past processing, and I'm happy with it. But there's still room for improvement... star halos left over from StarNet, the image isn't as sharp as it could be, etc. I welcome your comments!

Mid-Hudson Astronomical Association (MHAA)
Northeast Imagers
INDI Users

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Status	Advanced success
Started	...
Astrometry.net job	3999550
PixInsight job	L4UFNLGLFJT7E10ZFXL2KTXM3R01HPTR
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	22h46m52s.20
RA (top/left)	22h49m45s.60
RA (top/right)	22h43m07s.57
RA (bottom/right)	22h44m03s.52
RA (bottom/left)	22h50m32s.11

Dec (center)	+58°02′17″.2
Dec (top/left)	+58°31′49″.9
Dec (top/right)	+58°25′03″.5
Dec (bottom/right)	+57°32′29″.3
Dec (bottom/left)	+57°39′06″.8

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NGC 7380 Wizard Nebula in modified HSO

NGC 7380 Wizard Nebula in modified HSO

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NGC 7380 Wizard Nebula in modified HSO

NGC 7380 Wizard Nebula in modified HSO

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