Mike I'd like to see a list of your settings that you are using for capture. And what settings you're using for processing. I'm assuming that you are capturing in K3ccdtools and processing in Registax, would that be right?
Jupiter looks slightly out of focus, if thats so, then that would certainly be affecting how much detail you can bring out. How many times do you need to move your dob to do consecutive avies. What I'm thinking is, if you focus on jupiter at the start, everytime you raise your altitude then the atmosphere is getting thinner. Changing the refactive characteristic of the atmosphere, and changing your overall focal length. If you assume the astmosphere is a lense. Others who have tracking can make longer avies, though in shorter time than you,without having to focus. This may be because the change in Atm thickness is less over the shorter time. IMHO anyway
What does this all mean? Time to get tracking
Same thing with Saturn only more of a problem with lower altitude. How low is saturn in altitude there?
What does this mean? Time to move further north to get better seeing
(when the clouds clear)
I guess that means moving to queensland, say on the sunshine coast, and getting a Losmandy mounted 5" Tak (G-11 of course).
You could probably be able to find someone to give you a hand to set it up.
Seriously though Mike, are you using a Hartman or focusing aid? How low is Saturn, and what settings? Maybe we can eliminate something and help you get shots you're really happy with.
Still say it though. Class of your own.
Good ones