The Whirlpool Galaxy
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M51 - Spiral Galaxy in Canes Venatici
Image Processing by Bob Fera
Data acquisition and calibration by Eric Coles
PlaneWave CDK-20 20" f/7.7 Corrected Dall-Kirkham Cassegrain
PlaneWave L-500 Mount
QHY600M Camera
Chroma Filters
LRGB Composite - L:300 R:120 G:120 B:120 minutes
Sub Exposures: L:60x5min R:24x5min G:24x5min B:24x5min Binned 2x2
Image acquired with Voyager
Processed in Pixinsight, CCDstack and Adobe Photoshop
Taken May 2022 from Sierra Remote Observatories, CA