– Date : 2017/11/11
– Site : South Korea Ganghwa
– Telescope : Sharpstar 107ph
– Sensor : ZWO ASI 1600mm-c (-15도)
– Guiding : ASI 120mm-s/Off-axis guide

–  Ha 8 x 600sec(1bin 4, 2bin 4) / O3 8 x 600sec(1bin 4, 2bin 4 )/ S2 8 x 600sec(1bin 4, 2bin 4)

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

– S/W : Pixinght, Photoshop CS6