NGC6888(Crescent Nebula) 

– Date : 2019/5/11
– Site : South Korea Ganghwa
– Telescope : Sharpstar 65Q

– Mount : Greego-HD17
– Sensor : ZWO ASI 1600mm-c (-15)
– Guiding : ASI 120mm-s/Off-axis guide

– Ha 10 x 600sec / O3 10 x 600sec /  O3 10 x 600sec

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

– S/W : Pixinght