– Date : 2017/4/22
– Site : 홍천
– Telescope : GSO rc6″(x0.8)
– Sensor : ZWO ASI 1600mm-c (-20도)
– Guiding : QHY5 mono / 90mm(f900)
– Calibration : (dark 15, bias 15, flat X)

– S/W : Pixinght, Photoshop CS6

– m13 : LRGB  35x30sec(2bin)+5x15sec(2bin)