Bortle 6-7 skies
Nikon D7000 camera
Nikkor 18-140mm zoom at 60mm
Camera tripod
3.0s x 27 frames for each image
f/5.6
ISO 1600
Processing:
Siril:
Histogram auto-stretch
Color correction
Green Noise Reduction
Background extraction
GIMP:
Chroma and luminance denoising (G'MIC-Qt plugin)
Duplicate layer -> despeckling, subtraction
Color curves and saturation adjustments
Very approximate overlapping of two images
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