
Trifid Nebula, showing both hydrogen-alpha (red) emission, and dust reflection (blue) nebulosity. Taken at Oregon Star Party, with Canon 60Da and 8″ f/4 AstroTech AT8IN newtonian with coma-corrector.

Trifid Nebula, showing both hydrogen-alpha (red) emission, and dust reflection (blue) nebulosity. Taken at Oregon Star Party, with Canon 60Da and 8″ f/4 AstroTech AT8IN newtonian with coma-corrector.