The Ring Nebula
M57 - Planetary Nebula in Lyra
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
QHY600M Camera
Chroma Filters
LRGB+HaOiii Composite - L:230 R:120 G:120 B:165 minutes Ha:1,140 minutes Oiii:660 minutes
H-alpha and Oiii added from older data taken by Eric with a 16" RC
Sub Exposures: L:46x5min R:24x5min G:24x5min B:33x5min Binned 2x2 Ha:38x30min Oiii:22x30min
Image acquired with Voyager
Processed in Pixinsight, CCDstack and Adobe Photoshop
Taken May 28 - June 5, 2022 from Sierra Remote Observatories, CA