Hi,
With ngc 6995 i made my fourth processing in narrow band.
https://www.flickr.com/photos/137933566@N06/30870166388/in/datetaken/Setup:
Telescope: TS 100 mm
Focal Length: 580 mm.
Camera: Atik 460
Mount: NEQ 6.
Filters: Ha and O III.
Exposure:
Ha: 18 x 600 seconds.
O III: 24 x 600 seconds.
Capture: APT.
Processing: Pixinsight.
Palette:
Red: Ha.
Green: O III.
Blue: O III x 0.7 + Ha x 0.3