More Image Processing - Still Learning

I was playing around with Paint Shop, and there is an excellent noise reduction filter in it.  With it, one can sharpen quite a bit more, and use the noise filter to get rid of some of the finer artifacts.  I was working with this image:

This image is posted down the blog a ways, you might recognize it.  I was talking about the focus on the telescope.

After doing some noise reduction and sharpening, I ended up with this image:

I also did a little contrast enhancement and a few other things I dont remember now, but it is a good deal sharper and detailed than the original.