Sh2-86 aka ngc6820 - Nebula in Narrowband and RGB Combined

Sh2-86 - The above image is an SHO image with RGB overlay to recover star colours. The OIII signal was VERY weak but the SII and H-Alpha were strong.
Camera: Moravian G4 w Astrodon Gen II LRGB filters
Scope: Astro-Physics AP155EDF w 4" FF
Mount: SB Paramount MX
Guiding: SBIG ST402ME on Borg 60 guidescope
1414/14 x 10min each for RGB
18 x 20 min H-Alpha, 12 x 20 min OIII, 15 x 20 min SII
Lucknow, Ontario, Canada
July 2023
Images captured with TheSkyX
Session orchestrated by CCD-Commander
Calibration and processing of the RGB and Narrowband in PixInsight
RGB combine with the NB data done two ways all in Photoshop plus some gradient removal from the RGB in Photoshop CC

Click on the image to see it enlarged.

Here is an alternative way of combining the NB with RGB - done as Red (+ H-Alpha and SII) + Green (+ OIII) + Blue (+ OIII)



Here is the pure RGB image:



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