As title, even 1/10000s (yes, not 1/1000s) cannot freeze anything, refer to another post for a short video... even at 14x visual, the solar disc is not circular at all, sunspots keep changing shape.
C5 at prime focus, a great demonstration of extremely poor seeing, 1247:-
1250, C5 at prime focus:-
1258, Ranger at prime focus, Herschel Wedge:-
1304, Ranger at prime focus, SM40/BF10, H-alpha is less affect, also due to smaller image scale:-
H-alpha seems a bit less affected, here is a shot at 1307:-
Ranger/SM40/BF10/2x for the coming two: