Blue Horsehead Nebula
Borg 55FL astro-graph, ASI2400MC Pro, 15x600 seconds unfiltered (RGB).
Callibration, stacking, background correction, star correction, and conversion to non-linear rendering in AstroPixelProcessor. Cropped for aesthetics in MacOS Photos. The Blue Horsehead Nebula is a galactic cloud reflecting bright blue light from young hot stars that illuminate it.