A layer of Ha added on top of RGB to bring out the emission regions in red.

Object ID M81 Bode’s Nebula
Details 2020-03-22 21:17 – 22:23 UT
Telescope 250mm f4.8 Newtonian
Camera Atik 460EX
Baader Ha and RGB filters
Exposure(s) 10x180s each RGB 2×2
8x300s Ha 2×2
Capture APT
Processing APP, Photoshop