2015/04/14 Hong Kong Sai Kung
Camera : Canon EOS 40D (mod)
Lens : Nikon 14-24mm f/2.8
ISO : 1600
Total Exposure Time : 120s × 3 frames
Foreground : 180s f/2.8
Filter : Astronomilk CLS
Mount : Astrotrac TT320X-AG
Process : Dark Frame,Bias Frame,PI,PS,DSS