Triple APOD - May 23, 2025: The Pinwheel Galaxy (M101) By Kevin Lenz
From Kevin:
Shot on the Dwarf3
51,780 seconds exposure time
878 one minute images stacked by siril
Graxpert for gradient removal and denoise
Siril for stretch, star removal/recombine, colour correction, etc.
Images taken west of Calgary over two nights April 4/5/6.
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