grz image from the tenth data release of the DESI Legacy Survey (DR10) of PSZ2G091 with the 1.8″ ILT radio contours. In the inset, we show a zoomed-in view of R2, with radio contours at 0.4″ resolution. For both radio images, white contours are at the 2.5σ_rms × [1, 2, 4, 8, 16] levels (see Table 3 for the map noise at these resolutions), and the beam sizes are displayed in the lower left corners.