M 27, Dumbbell Nebula

M 27, Dumbbell Nebula

© Geissinger, Rolf

Location: Remseck, “balcony obervatory”, Germany
Date: August 2009
total exposure time: 15h (RGB + OIII + H-alpha)
Scope: CDK 12.5″
Cam: QHY8
Filters: IDAS LPS / Baader OIII 8.5nm / Baader H-alpha 7 nm
Mount: 10micron GM2000
Color developement with Steve Cannistras Bicolor H-alpha / OIII processing

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