VLT/ZIMPOL ADI reduced images of MWC 758 processed with PCA (5 modes) in the Cnt_Ha (left) and B_Ha (center) filters. The ASDI image (B_Ha-Cnt_Ha) processed with PCA (5 modes) is displayed in the right panel. North is up and East to the left. The red circle shows the position at a separation of 111 mas, and a PA of 165.5°, where the companion candidate was detected by Reggiani et al. (2018) in the L′ -band.