– Date : 2020. 6. 20
– Site : South Korea  Ganghwa
– Telescope : SP 300mm F2.8

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

– Ha 20 x 120sec / O3 20 x 120sec

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

– S/W : Pixinght