– Date : 2017/10/2
– Site : 강화
– Telescope : Sharpstar 107ph
– Sensor : ZWO ASI 1600mm-c (-15도)
– Guiding : ASI 120mm-s/비축
– Calibration : (dark 10, bias 15, flat X)
– S/W : Pixinght, Photoshop CS6

–  Ha 7x600sec(1bin)/O3 7x300sec(2bin)