M57 (Ring Nebula) in (Ha+R)G(OIII+B)

M57 (RING NEBULA) IN (HA+R)G(OIII+B) Telescope or Lens: SW300/1500 Camera: ZWO ASI 1600MM-Cool Mount: iOptron CEM70 Guide Scope: SW300/1500 Guide Camera: ZWO120-mini Software: NINA, ASTAP, MaxIm DL 6.11, FITStacker, PhotoShop Новое Дубовое, Россия Exposure: 1200 x 10" ISO/Gain: 200 - Ha 1200 x 10" ISO/Gain: 200 - OIII 1200 x 10" ISO/Gain: 200 - R 1200 x 10" ISO/Gain: 200 - G 1200 x 10" ISO/Gain: 200 - B Viewer link: https://deepskyhosting.com/qlR06V3 Author: Alexander Zaitsev