Headphone nebula (Jones-Emberson 1) which is a 14.5 mag planetary in Lynx...
5 x 5 min Red for the stars
5 x 5 min Green for the stars
5 x 5 min Blue for the stars
5 x 30 min OIII
18 x 15 min OIII
5 x 30 min Ha
18 x 15 min Ha
OIII and Ha Narrowband filters used for Tone mapping just the nebula using PixelMath (Red = Ha, Green = 15% Ha + 85% OIII, Blue = OIII)
Total integration time = 15.25 hours