NGC 869 and 884 (Double Cluster)

Acquisition:

Bortle 6-7 skies
Nikon D5600 camera
18-140mm zoom lens @ 140mm
iOptron CEM26 mount
30s x 140 frames
f/8
ISO 400

Processing:

SiriL:

During registration: 2X drizzle
After stacking:
Background extraction
Generalized hyperbolic transformation
Histogram manual adjustment
Photometric color calibration

RawTherapee:

Luminance and chrominance noise reduction

GIMP:

Levels
Luminance curve
Temperature reduction
Slight saturation increase
Very slight sharpening