Hello, When i try to dock a fuel tanker at my space station, i go to line up the prograde marker with the target on the navball. However, when i go to do this, the prograde marker moves very fastly around the navball, its the same with the retrograde marker. This is very difficult as i cant determine where the prograde marker actually is on the navball, making docking very difficult. Any help would be appreciated. Thank You Michael