M 51, Whirlpool Galaxy

M 51, Whirlpool Galaxy

© Paquette, Andre

M51 – The Whirlpool Galaxy

OTA: Planewave CDK 12.5
Camera: Apogee U16M
Mount: Celestron CGE Pro
Filters: Baader LRGB, Astrodon HA
Guided with MetaGuide

Exposures:
L: 200min @1×1
RGB: 40min each @2×2
HA: 240min @2×2

Processing:
Mostly home-grown software for calibration
Aligning done with MaximDL
DDP done with ImagesPlus
Photoshop used for color combine and HA enhancement.

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