Reconstructed maps of the large-scale field of AU Mic showing the radial, azimuthal and meridional components in spherical coordinates (left, middle and right columns, units in G), for season 2023A, 2023B, 2024A and 2024b (top to bottom rows, respectively). These maps, derived from the Stokes IV LSD profiles of Fig. C.1 using ZDI, are displayed in a flattened polar projection down to latitude −60°, with the north pole at the center and the equator depicted as a bold line. Outer ticks mark the phases of observations. Positive radial, azimuthal, and meridional fields point outwards, counterclockwise, and polewards, respectively.