深空、觀測記錄 20171027 M42 2017-10-27 admin M42 300s * 13 + 60s *10 HDR, ISO800. Crops to 3600*2400 pixels. FSQ106EDX4, 5D2(mod), STC amf. Vixen SXP, Lacerta M-GEN Kowa100/2.8 guiding. PS PI_HT_DBE