M17 or the Swan Nebula

Alluna RC16, AFFC

HaLRGB 120:50:50:50:70 minutes

SBIG STX16803 FW7 + external guider. (AstroDon 50mm HaLRGB Filters)

Processing in MaxImDL, Pixinsight and Photoshop CC 2019

Images copyright P & L Ward 2019 all rights reserved

Can you see all 26 grey scales above?