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Messier 8 (Lagoon Nebula)


Messier 8 (Lagoon Nebula)

Acquisition:
Bortle 6-7 skies
Nikon D7000 camera
Orion Apex 102mm telescope, 1300mm focal length
Orion AstroView EQ3 with single-axis drive
30s x 48 frames
f/12.7
ISO 1600

Processing:
Siril:

Background color correction
Photometric color calibration
Asinh histogram transformation
GIMP:

Chroma denoising (G'MIC-Qt plugin)
Decompose into RGB channels
Luminance denoising on red and blue channels
Recomposing RGB channels
Color curves/black point/saturation to taste






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