Recently I downloaded the pixinsight trial and started reprocessing some older data. This is a combination image of M27 made with my C11 and ED110....
H-alpha 5x1800s (4,5nm custom scientific filter)
OIII 7x1800s (13nm astronomik)
R: 9x300s Baader R
G: 3x300s Baader G
B: 3x300s Baader B