SST/CRISP mosaic and context SDO/HMI-derived SHARP magnetic field of NOAA AR 12723. Upper left: Ca II 8542 Å line core image. Upper right: Milne-Eddington inferred photospheric B_r magnetic field from Fe I 6173 Å observations by SST/CRISP. Lower left: chromospheric radial magnetic field B_r from the spatially regularised WFA. Lower right: same as the upper right panel, but from SDO/HMI. The line-of-sight magnetic field maps have been clipped to ±1.5 kG and are all reprojected and mapped to cylindrical equal-area (CEA) coordinates. The mapping to CEA precludes any direct comparison by coordinate of features in the top left panel vs. the other panels. The white boxes in the top left panel indicate narrow regions of interest (ROIs) selected for (non-)LTE inversion and are indicated (approximately, i.e. without mapping distortion) by cyan boxes in the top right and bottom left panels. The dashed green box in the top right panel highlights the FOV selected for the magnetohydrostatic simulation, while the purple contour in the lower right panel traces the SST mosaic field of view.