You can theoretically do the 22 light-hour trip in 1 hour of subjective time if you travel at 99.9% of light speed. At least if my math is correct (?) Now, if

You can theoretically do the 22 light-hour trip in 1 hour of subjective time if you travel at 99.9% of light speed. At least if my math is correct (?) Now, if the time is measured from standing still, it will take a lot longer. At least at accelerations that a human can survive.