Simeis 57 Propeller nebula in Cygnys Ha_RGB

SIMEIS 57 PROPELLER NEBULA IN CYGNYS HA_RGB Telescope or Lens: SkyWatcher 200/1000PDS Camera: ZWO ASI 1600MM Pro Mount: Sky-Watcher AZ-EQ6 GT Guide Scope: Main scope Guide Camera: SX loadstar X2 Software: MaximDL5. CCDStack2, StarTools1.6, PixinsightLE, Fitswork4 Accessories: MPCCIII, SW OAG, ZWO EFW8 Светловодск, Ukraine Light Pollution: Green zone Exposure: 64 x 300" ISO/Gain: 200 - Ha 30 x 180" ISO/Gain: 139 - R 30 x 180" ISO/Gain: 139 - G 30 x 180" ISO/Gain: 139 - B Viewer link: https://deepskyhosting.com/iUEZSHK Author: alexiezkoff