Copyright 2021.HyunWoo Kim All right reserved.
Photographer : Hyunwoo Kim
DATE : 11~16 Nov 2021
Place : Yeongwol (Bortle 4), Gimpo (Bortle 5)
Telescope : SDT80 (FL 384mm/F4.8)
Tripod & Mount : IEQ45
Guide scope/camera : ZWO mini guide scope / ASI 120mm mini
Camera : 1600mm pro (-20 deg)
Filter : Optolong HaRGB
Exposure : Total 12.31 hours
Optolong Ha filter :180s x 30 (gain 200), 300s x 113 (gain 200)
Optolong R filter : 180s x 13 (gain 135)
Optolong G filter : 180s x 12 (gain 135)
Optolong B filter : 180s x 3 (gain 135)
Software : Pixinsight