IC1396 reworked

Shotdate: Aug. 10 2008

Camera: Nikon D300

Optics: Nikkor 60mm f4.0 Micro

ISO: 800

Mount: AstroTrac

 

Older version: www.flickr.com/photos/14721988@N02/3914645359/in/photostr...

 

DeepSkyStacker settings:

 

Stacking mode: Standard

Alignment method: Bicubic

Stacking 10 frames (ISO: 800) - total exposure: 25 mn 2 s

 

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Offset: 56 frames exposure: 1/8000 s

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Dark: 27 frames exposure: 2 mn 31 s

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Flat: 20 frames exposure: 1/8 s

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

.

 

Postprocessing in PixInsight:

 

I worked a bit with this:

 

www.stelleelettroniche.it/en/2013/01/astrophoto/sword-orion/

 

And I took these steps (it's a bit of a read):

 

ChannelExtraction: Processing view: Autosave

Extracting lightness: 100%

 

ATrousWaveletTransform: Processing view: Autosave_L

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

 

HistogramTransformation: Processing view: Autosave

Processing channel #0: Histogram transformation: 100%

Processing channel #1: Histogram transformation: 100%

Processing channel #2: Histogram transformation: 100%

Autosave_L: Masking from swap files...

 

ChannelExtraction: Processing view: Autosave

Extracting lightness: 100%

 

ATrousWaveletTransform: Processing view: Autosave_L

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

 

HistogramTransformation: Processing view: Autosave

Processing channel #0: Histogram transformation: 100%

Processing channel #1: Histogram transformation: 100%

Processing channel #2: Histogram transformation: 100%

Autosave_L: Masking from swap files...

 

ChannelExtraction: Processing view: Autosave

Extracting lightness: 100%

 

ATrousWaveletTransform: Processing view: Autosave_L

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

 

HistogramTransformation: Processing view: Autosave

Processing channel #0: Histogram transformation: 100%

Processing channel #1: Histogram transformation: 100%

Processing channel #2: Histogram transformation: 100%

Autosave_L: Masking from swap files...

 

ChannelExtraction: Processing view: Autosave

Extracting lightness: 100%

 

ATrousWaveletTransform: Processing view: Autosave_L

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

 

HistogramTransformation: Processing view: Autosave

Processing channel #0: Histogram transformation: 100%

Processing channel #1: Histogram transformation: 100%

Processing channel #2: Histogram transformation: 100%

Autosave_L: Masking from swap files...

 

ChannelExtraction: Processing view: Autosave

Extracting lightness: 100%

 

HistogramTransformation: Processing view: Autosave_L

Processing gray channel: Histogram transformation: 100%

Calculating view histograms...

 

ATrousWaveletTransform: Processing view: Autosave_L

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

Calculating view histograms...

 

HistogramTransformation: Processing view: Autosave

Processing channel #0: Histogram transformation: 100%

Processing channel #1: Histogram transformation: 100%

Processing channel #2: Histogram transformation: 100%

Autosave_L: Masking from swap files...

Calculating view histograms...

 

ChannelExtraction: Processing view: Autosave

Extracting lightness: 100%

 

HistogramTransformation: Processing view: Autosave_L

Processing gray channel: Histogram transformation: 100%

Calculating view histograms...

 

HistogramTransformation: Processing view: Autosave

Processing channel #0: Histogram transformation: 100%

Processing channel #1: Histogram transformation: 100%

Processing channel #2: Histogram transformation: 100%

Autosave_L: Masking from swap files...

Calculating view histograms...

 

HistogramTransformation: Processing view: Autosave_clone

Processing channel #0: Histogram transformation: 100%

Processing channel #1: Histogram transformation: 100%

Processing channel #2: Histogram transformation: 100%

Calculating view histograms...

 

ATrousWaveletTransform: Processing view: Autosave_clone

Processing channel #0

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #1

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #2

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

Calculating view histograms...

 

HistogramTransformation: Processing view: Autosave_clone

Processing channel #0: Histogram transformation: 100%

Processing channel #1: Histogram transformation: 100%

Processing channel #2: Histogram transformation: 100%

Calculating view histograms...

 

ImageIdentifier: Processing view: Autosave_clone

id = Final_Color_Stars

 

ImageIdentifier: Processing view: Autosave_clone

id = SM

 

ImageIdentifier: Processing view: Autosave

id = ORG

 

ATrousWaveletTransform: Processing view: SM

Processing channel #0

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #1

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #2

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

Calculating view histograms...

 

PixelMath: Processing view: SM

Executing PixelMath expression: combined RGB/K channels:ORG-SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

ChannelExtraction: Processing view: ORG

Extracting lightness: 100%

 

HistogramTransformation: Processing view: ORG_L

Processing gray channel: Histogram transformation: 100%

Calculating view histograms...

 

HistogramTransformation: Processing view: BLUR

Processing channel #0: Histogram transformation: 100%

Processing channel #1: Histogram transformation: 100%

Processing channel #2: Histogram transformation: 100%

ORG_L: Masking from swap files...

Calculating view histograms...

 

CurvesTransformation: Processing view: BLUR

Curves transformation: 100%

ORG_L: Masking from swap files...

Calculating view histograms...

 

PixelMath: Processing view: ORG

Executing PixelMath expression: combined RGB/K channels:ORG+SM+BLUR: 100%

Rescaling to [0.0000000000,1.0000000000]: 100%

 

ImageIdentifier: Processing view: ITR1_clone

id = ITR1_SM

 

ATrousWaveletTransform: Processing view: ITR1_SM

Processing channel #0

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #1

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #2

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

Calculating view histograms...

 

PixelMath: Processing view: ITR1_SM

Executing PixelMath expression: combined RGB/K channels:ITR1-ITR1_SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

ChannelExtraction: Processing view: ITR1_BLUR

Extracting lightness: 100%

 

HistogramTransformation: Processing view: ITR1_BLUR_L

Processing gray channel: Histogram transformation: 100%

Calculating view histograms...

 

CurvesTransformation: Processing view: ITR1_BLUR

Curves transformation: 100%

ITR1_BLUR_L: Masking from swap files...

Calculating view histograms...

 

PixelMath: Processing view: ITR1_BLUR

Executing PixelMath expression: combined RGB/K channels:ITR1+ITR1_SM+(ITR1_BLUR*1.25): 100%

Rescaling to [0.0000000000,1.0000000000]: 100%

 

StarMask: Processing view: ITR2

Extracting structures: 100%

 

RangeSelection: Processing view: ITR2

Generating range selection mask: 100%

 

ATrousWaveletTransform: Processing view: range_mask

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

Calculating view histograms...

 

ATrousWaveletTransform: Processing view: range_mask

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

Calculating view histograms...

 

ATrousWaveletTransform: Processing view: range_mask

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

Calculating view histograms...

 

PixelMath: Processing view: range_mask

Executing PixelMath expression: combined RGB/K channels:range_mask+star_mask: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

PixelMath: Processing view: ITR2_SM

Executing PixelMath expression: combined RGB/K channels:ITR2-ITR2_SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

ImageIdentifier: Processing view: ITR2_SM

id = ITR2_STAR_MASK

 

ImageIdentifier: Processing view: ITR2_clone

id = ITR2_SM

 

ATrousWaveletTransform: Processing view: ITR2_SM

Processing channel #0

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #1

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #2

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

Calculating view histograms...

 

PixelMath: Processing view: ITR2_SM

Executing PixelMath expression: combined RGB/K channels:ITR2-ITR2_SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

ATrousWaveletTransform: Processing view: ITR2_SM

Processing channel #0

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #1

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #2

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

Calculating view histograms...

 

PixelMath: Processing view: ITR2_SM

Executing PixelMath expression: combined RGB/K channels:ITR2-ITR2_SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

LocalHistogramEqualization: Processing view: ITR2_BLUR

Extracting CIE L* component: 100%

CLAHE: 100%

Importing CIE L* component: 100%

ITR2_STAR_MASK: Masking from swap files...

Calculating view histograms...

 

CurvesTransformation: Processing view: ITR2_BLUR

Curves transformation: 100%

Calculating view histograms...

 

PixelMath: Processing view: ITR2_BLUR

Executing PixelMath expression: combined RGB/K channels:ITR2+ITR2_SM+ITR2_BLUR: 100%

Rescaling to [0.0000000000,1.0000000000]: 100%

 

ATrousWaveletTransform: Processing view: ITR3_clone

Processing channel #0

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #1

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Processing channel #2

À trous wavelet transform: 100%

Inverse à trous wavelet transform: 100%

Normalizing sample values: 100%

Calculating view histograms...

 

ImageIdentifier: Processing view: ITR3_clone

id = ITR3_SM

 

PixelMath: Processing view: ITR3_SM

Executing PixelMath expression: combined RGB/K channels:ITR3-ITR3_SM: 100%

Truncating to [0.0000000000,1.0000000000]: 100%

 

LocalHistogramEqualization: Processing view: ITR3_BLUR

Extracting CIE L* component: 100%

CLAHE: 100%

Importing CIE L* component: 100%

ITR2_STAR_MASK: Masking from swap files...

Calculating view histograms...

 

CurvesTransformation: Processing view: ITR3_BLUR

Curves transformation: 100%

Calculating view histograms...

 

PixelMath: Processing view: ITR3_BLUR

Executing PixelMath expression: combined RGB/K channels:ITR3+ITR3_SM+ITR3_BLUR: 100%

Rescaling to [0.0000000000,1.0000000000]: 100%

 

CurvesTransformation: Processing view: ITR4

Curves transformation: 100%

Calculating view histograms...

 

PixelMath: Processing view: ITR4

Executing PixelMath expression: combined RGB/K channels:(ITR4*1.55)+(Final_Color_Stars*0.45): 100%

Rescaling to [0.0000000000,1.0000000000]: 100%

 

Done