Completely processed in PixInsight (attached picture without further PS2 steps):
Emissions nebula [DB2002b] G343.02+2.76 in Scorpius
All pictures have been taken with a SBIG STL-11000M on 400-mm-Hypergraph f/8.3 on K100 mount at Tivoli, Namibia in 2011 and 2014.
24 frames with 20 minutes exposure time in 6 nm H-alpha + [NII]
13 frames with 10 minutes in luminance
7 frames with 10 minutes in red
7 frames with 10 minutes in green
7 frames with 10 minutes in blue
Total 13 hours 40 minutes
Thanks at PI team for the powerful software.
Link to the full size picture (last steps with PS2):
https://astrob.in/399336/0/Clear skies
AstroEdy