Mapping the Great Blue Spot
Jet Propulsion Laboratory https://www.jpl.nasa.gov/ Dec. 17, 2021
This graphic shows a comparison of the observed change in Jupiter's radial magnetic field, over time, as well as the change calculated from the model, assuming eastward drift of the "Great Blue Spot" (GBS).
More information about Juno is at https://www.nasa.gov/juno and https://missionjuno.swri.edu.