Once I got to the Ultra Space, I had 5 lvl 30 Pokemon, and captured a lvl 100 with my first Ultra Ball.
This isn't specific to the Ultra Space, but in general. I feel like you should have equivalent, or nearly equivalent Pokemon to have a good chance at capturing Pokemon. This would encourage more "grinding" leveling, evolving, etc etc.
I don't see any config variables to adjust this or anything.
It should be based on your 6 Pokemon in your party, and average them or something. And you would need to be within let's say 5-10 levels to have a normal chance at capturing one.
Anybody else have similar thoughts?