The Whirlpool Galaxy

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



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