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■ Hickson 44 (NGC3185/3087/3090/3093) -Date: April 28, 2020, Tuesday night-April 29, dawn -Location: Yugu-eup, Gongju-si, Chungnam -Telescope (pipe): Skywacher Black Diamond 120ED F7.5 -Trestle (Tripod): ADVANCED VX, PHD2 guiding -Camera (CCD): Canon EOS M6 (ISO 1,600) filter modification, ES 2 inch flattener -Shooting exposure: 12 shots at 4 minutes 30 seconds, 10 shots at Bias-1/4000 seconds, Dark-15 shots (Correction-Basic correction for Photoshop CC 2015, 60% resizing)