Zoomed-in image of the CMD of the 72 nearest extreme DR3 HVS candidates of high priority (blue filled squares) and low priority (green dots). Only objects with overplotted open symbols passed the local (lozenges) and global (hexagons) checks of astrometric parameters (see Sects. 3.3 and 3.4). One object lacking G-RP colour is shown on the right. The overplotted crosses are objects with a close next neighbour (NN) in DR3, arrows with different directions indicate conspicuous DR3 flags and parameters (see Sect. 3.1). In addition to objects already labelled in Fig. 17, all other high-priority candidates are also labelled (see text). The upper boarder of the nearby WD region is indicated by the dashed line.