Vincent Cheng September 1, 2018/in User Gallery /by liyun Photographer: Vincent ChengTitle: NGC7822Image Data:Date 31,OCT,2016Place Cingjing, TaiwanCamera : CentralDS Astro A7s (cooled at -1C)Telescope/Lens : f/4 @ Canon 300mm f/4L non-ISFilter : Optolong 2″new 7nm NEW Ha, SII, OIIIISO : 3200Tracking Mount : Kenko Skymemo SAutoguide : noneTotal Exposure Time : Ha:3mins X 23frames, SII:3mins X 22frames, OIII:3mins X 32frmaesw Dark Frames, Bias Framesprocess w PI, PS CC http://www.centralds.net/cam/wp-content/uploads/2018/09/7822s.jpg 2727 1825 liyun http://www.centralds.net/cam/wp-content/uploads/2020/02/c-logo5.png liyun2018-09-01 20:47:132018-09-01 20:51:18Vincent Cheng