Tony Hallas reached deep to capture this image of M57 using his Stellarvue SVX180T. 

According to Tony, " Two events have changed the way that I do astrophotography ... the advent of the Stellarvue 180mm f/7 and the new 3.7 micron back illuminated CMOS cameras. The air spaced triplet that is meticulously manufactured here in the United States finally has a camera that can resolve this high level of sharpness and color correction. Everyone knows that refractors are ideal for imaging wide field targets .... I wanted to see what these modern telescopes and cameras can do with small objects so I chose a planetary nebula ... M57 the Ring Nebula. Specifically ... I wanted to see how the system picked up the very faint detail surrounding the nebula. Judge for yourself looking at the final result ... the superior contrast and sharpness of this large refractor complimented the 3.7 micron pixels perfectly. This is an RGB + H-a + OIII composite using a ZWO 2400 mono and Chroma filters. A total of 9 hours of exposures from my home in Foresthill, CA. Reduction was with CCDStack and all processing was done with PS CC and various plug-ins".