Here are a couple of Mars images. All were taken using a ToUCam,
stacked and sharpened in Registax. Scope: Tak CN-212 at f/12.4 with
2.5x barlow (so... f/31).
http://www.regulusastro.com/regulus/photos/text/mars_112505.html
http://www.regulusastro.com/regulus/photos/text/mars_112105.html
~johnb