Christopher AstroSky 16 inch dob 12.5 inch build for my dad. http://s1232.photobucket.com/u...%20inch%20truss%20II
DIY Astro Chair http://s1232.photobucket.com/u.../diy%20astro%20chair
Norme 150mm MCT f/13, 31% CO Yellow Zone "People say I'm in denial. I disagree."
Quote: ...It is interesting to watch the details change in just over an hours time. The shadow started out just on the edge and ended up around where I sketched it maybe a little more. I could also tell the changes in the clouds/festoons. When I finished one part of the sketch then came back to check it later it had already changed some.
I know some observers probably just have a quick look then move on to something else, but if you spend a little more time on Jupiter it changes and there aren't many objects that you can do this on. The moon terminator maybe...