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NGC 7789 (Caroline's Rose) wide-field view


NGC 7789 (Caroline's Rose) wide-field view

Acquisition:

Bortle 7 skies
Nikon D5600 camera
18-140mm zoom lens @ 140mm
iOptron CEM26 mount
60s x 127 frames
f/8
ISO 400

Processing:

SiriL:

Background extraction
Photometric color calibration
Generalized hyperbolic transformation (twice)

RawTherapee:

Black point
Contrast
Luminance noise reduction

GIMP:

Slight temperature reduction
Levels
Luminance curve






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