– Date : 2020/04/25

– Site : South Korea  Ganghwa
– Telescope : GSO 6RC

– Mount : Greego-HD17
– Sensor : ZWO ASI 1600mm-c (-15)
– Guiding : ASI 120mm

– L 50 x 120sec / R,G,B 20 x 120sec

– Calibration : (dark 10, bias 15, flat X)

– S/W : Pixinght