NGC6823 in SHO palette, with Ha as Luminance layer as according to gamechanging approach of Nik Szymanek approach to Sulphur-II Luminance Compositing.
Data retrived from Telescoplive network, IC Astronomy Observatory of Spain, Officina Stellare ProRC 700, CCD Proline FLI PL16803.
Astrobin: https://www.astrobin.com/ka5817/B/