Throughout an 11-year solar cycle, the Sun's magnetic field flips and active regions migrate from mid to low latitudes. Here is an example that shows the evolution of the magnetic field at the solar surface -- as observed by two different satellites, NASA's Solar Dynamics Observatory and NASA/ESA's Solar and Heliospheric Observatory, over 24 years (roughly two solar cycles):
In these notebooks, you can interactively browse through years of solar magnetic field data; you can also view these visualizations at the Helioseismic and Magnetic Imager Polar Field website. These notebooks plot data using mpld3 and altair, both Python libraries for data visualization. Both these libraries build upon D3, a JavaScript library for data visualization.