Maps of observed continua. Left panels: Maps of the observed continua in the blue and red parts of the spectrum (5400 Å and 8150 Å, respectively) in logarithmic scale). Centre panels: Fitted models to the galaxy disc profile (see text for details). Right panels: Residuals between the continuum maps and the disc fitted profile. Orientation is north up, east to the left. The panel sizes are 32 arcsec × 32 arcsec.