Messier 16, Eagle Nebula in narrowband

Frames :
SII : 5 x 25m 2 x 20m
Ha: 7 x 10m , 4 x 25 m
OIII: 9 x 25m, 3 x 20m
Mix = R= S, G=0.50 H + 0.50S , B =O
Frames :
SII : 5 x 25m 2 x 20m
Ha: 7 x 10m , 4 x 25 m
OIII: 9 x 25m, 3 x 20m
Mix = R= S, G=0.50 H + 0.50S , B =O