I noticed these two prominent dark nebulae in a wide field Ha mosaic I was doing about a week ago and decided to take a closer look at 700 mm. The nights have been frustratingly clear with poor seeing and windy, so guiding was hit and miss- in the end this was completed over 4 nights. I think I actually prefer the Ha image on its own but the final version is in HaRGB.
Details:
Askar 103Apo
ASI 533MC Pro & MM Pro
UV/IR cut approx 4 hours of 60s
6nm Ha approx 3 hours of 300s
Image on Astrobin
here.