I spent 41 hours imaging the Witches head from my Bortle 5 back yard. This is a combination of Luminance RGB and Ha with a cooled mono 533 and Antlia filters @ FL of 270mm with 60mm aperture through my Askar V.
The AM3 performed really well.
High Res Astrobin here
https://astrob.in/9ixmgl/0/