Ok, I see it now, thanks Mumble.

My problem is that on my screen there are a few lines missing from your graph which makes a few of the squares bigger than they are supposed to be. Since this was the case and I did not take them into account, I did see it the last time I looked. I just counted 22 due to the squares themselves.
Who said it has to be a planet?
I guess it does not have to be a planet, although I am unsure as to why you wouldn't want it to be. I do not own DA so I do not fully understand if you could use starbases to increase production of a mining colony. Unless I realized somewhere during game play that a particular point in space would be constantly contested, I do not think I would build 24 military starbases which would overlap at a single point. Unless again, I am missing a vital use of a starbase. Maybe using a resource starbase as your center, but it would have to be awfully important for me to spend that kind of cash.
