Vincent Cheng

 

photographer: Vincent Cheng
Title: Orion Wide field
Image Data:
Location : MeiZhou, CHINA
Date : 20-21,DEC,2014

Camera : CentralDS cooled 5D2 (cooled at -12~-14C)
Telescope/Lens : f/2.8 @ Sigma 50mm f/1.4
Filter : Ha : Astronmik 6nm Ha XL EOS clip-on, color : none
ISO : Ha : 3200, color : 1600
Tracking Mount : VIXEN GP2 Photoguider with DEC motor
Autoguide : none
Total Exposure Time : Ha : 5mins X 26frames, color : 3mins X 21frames
w Dark Frames, Bias Frames
process w PI, PS5