230111_sh2-290_planetary_nebula_abell_31_-__cdk_reduced_hso.jpg


230111 Abell 31 Planetary Nebula - CDK reduced HOGB
Ha-OIII-Green-Blue image, ASI6200MM PRO, 18.6h exposure time, 6.5h integration time, difficult seeing conditions 1.4"-3.0", lots of subs (65%) rejected
01.03.2023, 13:19:47


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