● PUBLISHED 28 MAY 2026

LRGB-stretched.xisf

@pascalleclech

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FILTERS 3 TYPED

B Baader RGB B CMOS-optimized 110 nm G Baader RGB G CMOS-optimized 90 nm R Baader RGB R CMOS-optimized 95 nm

INTEGRATION 5 h 03 m · 423 subs

L 241 × 30 s 2 h 01 m
R 60 × 60 s 1 h 00 m
G 60 × 60 s 1 h 00 m
B 62 × 60 s 1 h 02 m

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ACQUISITION RECORD

Captured	05 Jul 2024
Camera	ZWO ASI533MM PRO
Focal	1466.3 mm · f/7.22
RA / Dec	18ʰ 2ᵐ 41ˢ · -22° 58′ 3″
Telescope	C8 EDGE HD
Pixel scale	0.52″/px
Acquisition window	28 Jun 2025 → 05 Jul 2025

PROCESSING

PixInsight 1.9.2 · 12 steps · 33s compute

Channel Combination Composition 1.0s

Combine R/G/B channels into a color image

colorSpace

RGB
inheritAstrometricSolution

true

enabled id
true R
true G
true B
Image Identifier Bookkeeping 0.0s

id

RGB
Script Bookkeeping

information

ImageSolver 6.3.1
SpectroPhotometric Color Calibration Color calibration 12s

Calibrate color from star spectra (SPCC)

applyCalibration

true
narrowbandMode

false
narrowbandOptimizeStars

false
whiteReferenceSpectrum

[9002 values]
whiteReferenceName

K0V Star
redFilterTrCurve

[146 values]
redFilterName

Baader R
greenFilterTrCurve

[110 values]
greenFilterName

Baader G
blueFilterTrCurve

[136 values]
blueFilterName

Baader B
redFilterWavelength

656.3
redFilterBandwidth

3.0
greenFilterWavelength

500.7
greenFilterBandwidth

3.0
blueFilterWavelength

500.7
blueFilterBandwidth

3.0
deviceQECurve

[596 values]
deviceQECurveName

Sony IMX411/455/461/533/571
broadbandIntegrationStepSize

0.50
narrowbandIntegrationSteps

10
catalogId

GaiaDR3SP
limitMagnitude

12.00
autoLimitMagnitude

true
targetSourceCount

8000
psfStructureLayers

5
saturationThreshold

0.75
saturationRelative

true
saturationShrinkFactor

0.10
psfNoiseLayers

1
psfHotPixelFilterRadius

1
psfNoiseReductionFilterRadius

0
psfMinStructureSize

0
psfMinSNR

40.00
psfAllowClusteredSources

true
psfType

PSFType_Auto
psfGrowth

1.25
psfMaxStars

24576
psfSearchTolerance

4.00
psfChannelSearchTolerance

2.00
neutralizeBackground

true
backgroundReferenceViewId

backgroundLow

-2.80
backgroundHigh

2.00
backgroundUseROI

false
backgroundROIX0

0
backgroundROIY0

0
backgroundROIX1

0
backgroundROIY1

0
generateGraphs

true
generateStarMaps

false
generateTextFiles

false
outputDirectory
BlurXTerminator Sharpening (AI) 6.4s

AI deconvolution & detail recovery

ai_file

BlurXTerminator.4.mlpackage
correct_only

false
correct_first

false
nonstellar_then_stellar

false
lum_only

false
sharpen_stars

0.00
adjust_halos

0.00
nonstellar_psf_diameter

5.86
auto_nonstellar_psf

false
sharpen_nonstellar

0.15
NoiseXTerminator Noise reduction (AI) 2.6s

AI noise reduction

ai_file

NoiseXTerminator.2.mlpackage
enable_color_separation

false
enable_frequency_separation

false
denoise

0.30
denoise_color

0.90
denoise_lf

0.9
denoise_lf_color

0.9
frequency_scale

5.0
iterations

2
detail

0.15
NoiseXTerminator Noise reduction (AI) 1.7s

AI noise reduction

ai_file

NoiseXTerminator.2.mlpackage
enable_color_separation

false
enable_frequency_separation

false
denoise

0.30
denoise_color

0.90
denoise_lf

0.9
denoise_lf_color

0.9
frequency_scale

5.0
iterations

2
detail

0.15
NoiseXTerminator Noise reduction (AI) 1.6s

AI noise reduction

ai_file

NoiseXTerminator.2.mlpackage
enable_color_separation

false
enable_frequency_separation

false
denoise

0.30
denoise_color

0.90
denoise_lf

0.9
denoise_lf_color

0.9
frequency_scale

5.0
iterations

2
detail

0.15
Dynamic Crop Geometry 0.0s

Crop / rotate the frame

refWidth

3007
refHeight

3007
outWidth

2657.00
outHeight

2665.00
centerX

0.54822082
centerY

0.47472564
width

0.88360492
height

0.88626538
angle

0.0000000000
scaleX

1.00000000
scaleY

1.00000000
optimizeFast

true
interpolation

Auto
clampingThreshold

0.30
smoothness

1.50
gammaCorrection

false
xResolution

72.000
yResolution

72.000
metric

false
forceResolution

false
red

0.000000
green

0.000000
blue

0.000000
alpha

1.000000
noGUIMessages

false

Histogram Transformation Stretch 0.2s

Non-linear brightness stretch

c0	m	c1	r0	r1
0.00000000	0.50000000	1.00000000	0.00000000	1.00000000
0.00000000	0.50000000	1.00000000	0.00000000	1.00000000
0.00000000	0.50000000	1.00000000	0.00000000	1.00000000
0.02671855	0.00975513	1.00000000	-0.05000000	1.00000000
0.00000000	0.50000000	1.00000000	0.00000000	1.00000000

LRGB Combination Composition 7.6s

Blend a luminance layer with RGB color

mL: 0.500
mc: 0.400
clipHighlights: true
noiseReduction: true
layersRemoved: 4
layersProtected: 2
inheritAstrometricSolution: true

enabled	id	k
false		1.00000
false		1.00000
false		1.00000
true	masterLight_BIN_1_3008x3008_EXPOSURE_30_00s_FILTER_L_mono_fastIntegration_3__autocrop_masterLight_BIN_1_3008x3008_EXPOSURE_30_00s_FILTER_L_mono_fastIntegration_3__aut	0.64000

Curves Transformation Adjustment 0.0s

Per-channel tone / saturation curves

Rt

AkimaSubsplines
Gt

AkimaSubsplines
Bt

AkimaSubsplines
Kt

AkimaSubsplines
At

AkimaSubsplines
Lt

AkimaSubsplines
at

AkimaSubsplines
bt

AkimaSubsplines
ct

AkimaSubsplines
Ht

AkimaSubsplines
St

AkimaSubsplines

R curve · 2 points

G curve · 2 points

B curve · 2 points

K curve · 4 points

A curve · 2 points

L curve · 2 points

a curve · 2 points

b curve · 2 points

c curve · 2 points

H curve · 2 points

S curve · 2 points

● CELESTIAL OBJECTS · 1

COMMENTS 0

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