Here's an image of M57 I took this past summer (at RMSS) with some Ha info acquired this past week with the new filter. 18" f4.5 Newtonian with ST-2000XM ccd camera with Astrodon LRGB filters and an Orion Ha narrowband. 20/50/20/20/20 minutes LHaRGB. Enjoy!
Joe.
Joe.
Attached Image: