Processed : Dark / flat calibration, sigma reject combine, H-Alpha
R mix, RGB mix, curves adjust, high pass filter
(click on image for full size 1200KB)
Image : NGC 281, H-Alpha
Processed : Dark / flat calibration, sigma reject combine, curves
adjust, high pass filter, noise reduction
(click on image for full size 735KB)
Copyright images and processing Gert Gottschalk.
Copyright Bilder und Verarbeitung Gert Gottschalk.
