250502 Markarian's Chain - RASA36 RGGBRGGB image, ASI6200MC PRO, 2.8h integration time, 30s subs (341 of 541 subs used), 70% overlap mosaic, ecellent to very good seeing 1.0"-1.3", one night, new moon, calm weather.08.09.2025, 20:36:08