Image : NGC7293 (Helix Nebula)
Processing: HR-merge & (HR)GB combine, high pass &
denoise
(click on image for full size 540kB)
Processing: Only H-Alpha, high pass & denoise
(click on image for full size 550kB)
Processing: Only H-Alpha, high pass, stretch & inverted to show outer
shells
(click on image for full size 1230kB)
Copyright images and processing Gert Gottschalk.
Copyright Bilder und Verarbeitung Gert Gottschalk.
Email : drgert1@yahoo.com
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