M 1 Crab planetary nebula HRGB

M 1 CRAB PLANETARY NEBULA HRGB Telescope or Lens: Sky-Watcher Apochromatic 80/521 mm Black Diamond ED Camera: ZWO ASI 1600MM Pro Mount: Sky-Watcher AZ-EQ6 GT Guide Scope: SW ED-80BD Guide Camera: SXLoadstarX2 Software: Maxim DL5, CCDStack2, StarTools 1.4, Pixinsight LE, Fitswork 4 Accessories: MPCC Mark III, Atik Filterwheel, SW offaxis guider. Светловодск, Ukraine Light Pollution: Green zone Exposure: 30 x 180" ISO/Gain: 139 - R 30 x 180" ISO/Gain: 139 - G 30 x 180" ISO/Gain: 139 - B 84 x 300" ISO/Gain: 200 - Ha Viewer link: https://deepskyhosting.com/ef4lqB0 Author: alexiezkoff