Given that video is 7.5 hours start to finish, and Parker is moving at several hundred thousand mph relative to that vortex, is it on the order of the diameter of the sun?
Link??
186,000 km/h will cover the sun’s diameter in 7.5 hours.
https://www.wolframalpha.com/input?i=%28diameter+of+sun%29%2...
Meanwhile, Parker is supposed to be moving substantially faster when close to the sun.