Jump to content

  •  



- - - - -

NGC 869 and 884 (Double Cluster in Perseus)


NGC 869 and 884 (Double Cluster in Perseus)

Acquisition:

Bortle 7 skies
Nikon D7000 camera
18-140mm zoom lens at 140mm
Orion AstroView EQ3 with single-axis drive
30s x 80 frames
f/8
ISO 800

Processing:

Siril:

Background extraction
Generalized hyperbolic transformation
Manual histogram adjustment
Photometric color calibration

RawTherapee:

Chroma and luminance denoising

GIMP:

Luminance curve adjustment
Saturation
Black point
Sharpness






    Cloudy Nights LLC
    Cloudy Nights Sponsor: Astronomics