Mosaic of The Lobster Claw, Bubble, Northern Lagoon in Pure SHO

The idea behind this two panel Mosaic in to represent SHO palette with just a minor touch of pulling back the green channel (Ha.)

 

(All 120 sec Subs)

Upper Frame

Filter Subs Hrs

S2 111 3.7

Ha 61 2.0

O3 96 3.2

TOT 268 8.9

 

Lower Frame

Filter Subs Hrs

S2 144 4.8

Ha 67 2.2

O3 140 4.7

TOT 351 11.7

 

PixInsight Processing

 

NonLinear Processing

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DBE - Division -> Subtraction

Linear fit S2, O3 to Ha

Channel Combination

Invert > SCNR on Green to remove Magenta

Color Calibration

Background Neutralization

 

Mosaic Processing

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Noise Exterminator AI on both images

EZSoftStretch on both images

Used Process from @WindyCityAstro YouTube for Mosaicing

- Register Union Mosaic

- Drop Registered on Originals

- Saved registered for:

- GradientMergeMosaic

- DynamicCrop

 

Linear Processing SHO

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AutomaticBackgroundExtraction

SCNR Green Max Neutral 35%

Removed Stars with Starnet++ V2

Curves - Slight S-curve

LocalHistogramEqualization - Kernel Radius = 25

LocalHistogramEqualization - Kernel Radius = 75

LocalHistogramEqualization - Kernel Radius = 125

MultiscaleLinearTransform to sharpen

Added stars back in with PixelMath

 

Done