Final images with the highest S/N for R CrA b using different approaches for the data processing. Top row: images using principal components from 13 to 35. Bottom row. same as the top row but for principal components between 1 and 13. Shown are the best S/N for Cugno et al. (2019) (left), for the entire dataset using our centering approach with the combination of the AGPM and star positions (middle), and the frame selection using only the star position as reference center (right). The top and bottom rows have different color scales, but the subpanels in each row are consistent.