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拍摄日期＝Date Taken:
12/30/2007

地点＝Location:
Suzhou Taihu lake ＝苏州太湖

天气和天空条件＝Sky condition:
Light pollution: Light
Wind speed: Strong
Transparency: Good

设备＝Equipment:
Synda 80ED+Synda  flattener@F8
Synda EQ6 PRO  Mount
Autoguider system: Synscan+Guidemaster+QHY5 Autoguider Camera
Camera：QHY8 Color CCD  Camera
Filter： IDAS LPS2 filter


曝光参数＝Exposure Specs:
224 minutes total
19×10mins & 5min×6 & 2min×2

处理＝Processed with:
MaximDL v4
Regisatr 1.0
Adobe Photoshop CS2

Previous Effort 以前的尝试

拍摄日期＝Date Taken:
10/9/2005

地点＝Location:
上海家中＝through the open window at home in downtown of Shanghai, China

天气和天空条件＝Sky conditon:
Light pollution: very heavy
Wind speed: No
Transparency: Bad

设备＝Equipment:
Huangguang 135mmF2.8 telelens
LXD75 Mount
Motor Driver: QHY EQ5 autoguide driver system+TOUCAM 840K
Camera：QHY2 CCD（3.0 MP color CCD）
Filter：Astronomik 1.25“ Ha filter


曝光参数＝Exposure Specs:
50+14 minutes total
5×10mins +7×2min

处理＝Processed with:
MaximDL v4
Adobe Photoshop CS2