Magnetic geometry of 55 Cnc A. From left to right: ZDI models derived from observations from January to May 2023 (subset #1), September 2023 to May 2024 (subset #2), and October 2024 to February 2025 (subset #3). The stellar surface is shown in equatorial projection, with phases of observation indicated as vertical ticks above the top panel. The vector magnetic field is projected onto a spherical frame, with the radial, azimuthal, and meridional components displayed from top to bottom. The field strength is expressed in Gauss.