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拍摄日期＝Date Taken:
9/30/2008

地点＝Location:
Suzhou Taihu lake ＝苏州太湖

天气和天空条件＝Sky conditon:
Light pollution: Heavy
Wind speed: Light
Transparency: Bad

设备＝Equipment:
Equinox120ED @ F6.6 With Borg DGL 0.85X Reducer@Flattener
Synda EQ6 PRO  Mount
AutoGuider system: Guidemaster+QHY5
Camera：QHY3 CCD（KAF6303E）
Filter：Astronomik 2“ Ha filter


曝光参数＝Exposure Specs:
135 minutes total
9×15mins

处理＝Processed with:
MaximDL v4
Adobe Photoshop CS2