Cutouts (1° × 1°) in Galactic coordinates of the IRIS and Planck maps centred on the source PHZ G095.50−61.59, after the various steps of the cleaning processing. First row: original maps at 5′ plus the Planck 5′ CMB template. Second row: maps after CMB cleaning. Third row: maps at 857, 545, 353, and 217 GHz after Galactic cirrus cleaning. Fourth row: excess map at 545 GHz. For the last two rows, the colour scale has been chosen so that positive residuals appear in red and negative residuals in blue. Units are expressed in MJy sr^-1, except for the CMB 5′ template map, which is expressed in μK_CMB.