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Messier 46 and Messier 47 (and friends)


Messier 46 and Messier 47 (and friends)

See also Messier 46 specifically.

Acquisition:

Bortle 7 skies
Nikon D7000 camera
18-140mm zoom lens at 140mm
Orion AstroView EQ3 with single-axis drive
30s x 50 frames
f/8
ISO 800

Processing:

Siril:

Background extraction
Photometric color calibration
Asinh transformation
Manual histogram adjustment

RawTherapee:

Luminance noise reduction
Luminance curve adjustment
Black point, contrast, saturation adjustment






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