250515_m101_pinwheel_galaxy_-_cdk17_hlrgb.jpg


250515 M101 Pinwheel Galaxy - CDK17 HLRGB
HLRGB image, ASI6200MM PRO, 7.0h exposition time (855 subs selected from 2227 in four nights), good to excellent seeing (1.1"-1.4"), full moon.
17.05.2025, 18:49:51


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