The Crescent Nebula
Click here for a larger version
NGC 6888 - Emission Nebula in Cygnus
Image Processing by Bob Fera
Data acquisition by Eric Coles
PlaneWave CDK-20 20" f/7.7 Corrected Dall-Kirkham Cassegrain
PlaneWave L-500 Mount
Moravian C3-61000 Pro Camera
Chroma Filters
HaOiiiRGB Composite - Ha:240 Oiii:150 R:160 G:90 B:90 minutes
Sub Exposures: Ha:24x10min Oiii:15x10min R:32x5min G:18x5min B:18x5min Binned 2x2
Image acquired with Voyager
Processed in Pixinsight, CCDStack and Adobe Photoshop
Taken July, August 2023 from Sierra Remote Observatories, CA