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Object name / Catalog Number: M57, Ring Nebula
Camera (specific model): DSI-II Pro
Number of Exposures & Exposure length: L = 47 x 4 min, RG = 12 x 2 min, B = 9 x 4 min
Scope: Model, Aperture and F ratio: 10" LX200R @ F4
Filters used: Schuler Ha and RGB
Image Capture Software: Envisage
Processing software: AIP4WIN, PS-CS
Guide camera/scope (if guided imaging used): DSI-Pro/ED-80/PHD Guiding
Other (optional): Ha as Luminance, LL(Ha+R)GB
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