Wow Paul,
that's a fine image.
In my humble opinion -
It better than this ESO image with an 8.2 metre telescope:
https://www.eso.org/public/images/eso0413a/
It's better than the Capella version with a 600mm telescope:
http://www.capella-observatory.com/I...es/NGC6771.htm
Only Chart32 beats it:
https://www.chart32.de/component/k2/...alaxy-triplett
cheers
Allan