(H-Alpha R)-GB Image : NGC7000 (North America Nebula)
Exposure and processing: Dither guiding, dark & flat calibration,
Poisson sigma reject, H-Alpha & R mix, HR-GB combine,
minimum filter, wavelet sharpening, levels, curves.
Click on image for full size version (1750KB)
H-Alpha Image : NGC7000 (North America Nebula)
Exposure and processing: Dither guiding, dark & flat calibration,
Poisson sigma reject,
minimum filter, wavelet sharpening, levels, curves.
Click on image for full size version (830KB)
Taken at the del Valle site.
Copyright images and processing Gert Gottschalk.
Copyright Bilder und Verarbeitung Gert Gottschalk.
Email : drgert1@yahoo.com
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