NGC 253

Мy processing

CHILESCOPE

Aperture: 500 mm

Focal length: 1900 mm

Focal length with 4" Wynne Corrector: 1800 mm

Focal ratio with 4" Wynne Corrector: f 3.61

All details are at

www.chilescope.com/

FLI ProLine 16803

LRGB: 340-120-110-190

Done