Vincent Cheng
Title: NGC7822
Image Data:
Date 31,OCT,2016
Place Cingjing, Taiwan
Camera : CentralDS Astro A7s (cooled at -1C)
Telescope/Lens : f/4 @ Canon 300mm f/4L non-IS
Filter : Optolong 2″new 7nm NEW Ha, SII, OIII
ISO : 3200
Tracking Mount : Kenko Skymemo S
Autoguide : none
Total Exposure Time : Ha：3mins X 23frames, SII：3mins X 22frames, OIII：3mins X 32frmaes
w Dark Frames, Bias Frames
process w PI, PS CC