My bi-colour interpretation of NGC 6164-5.
Not entirely happy with it yet, I may go back right to raw lights and redo the whole thing.
21 hours of Ha and O3 (3nm Astrodons) and 4 inch doublet.
Full resolution:
http://www.astrobin.com/full/195481/0/?real=&mod=
Thank you for looking.
Slawomir