IC2118 The Witch Head (OSC + Hα - 4 cameras)
望远镜：Askar FRA500、Askar SQA55
相机：Canon EOS Ra、ZWO ASI2600MM Pro、ZWO ASI4400MC Pro、ZWO ASI6200MC Pro
赤道仪：iOptron GEM45、ZWO AM3N
滤镜：Antlia 3nm Narrowband H-alpha 2"
附件：Askar F3.9 Reducer for FRA400/500
作者：Nico Carver
