Very high resolution Lunar photography with a 20" telescope ( www.flickr.com )
Last year, I had my mirrors tested optically because I was never 100% content with even my "sharpest" results - there was always a feeling that there was an unnecessary bit of blur in the raw data....
![](https://mbin.grits.dev/media/cache/resolve/entry_thumb/ac/0e/ac0ea9c8af16f674c65189076271f75f4209dc9682445b756e12a642b1609d0d.jpg)