Cygnus Wall

The Wall is part of the North American Nebula. Although it is mostly hydrogen, there is enough sulfur and oxygen to make an interesting color image with appropriate processing.

6 x 30 minutes each, 3nm H-a, OIII, and SII filters (9 hours total)
AP 142 at f/7.5 (native)
QSI 583wsg, Astrodon 3nm filters
AP Mach1 mount