Modelling Mrk 1044’s AGN spectrum in the Hβ–[O III] region (left) and Hα–[N II] region (right). To reproduce the observed spectrum (black) we use a multi-Gaussian model for Hβ (blue), [O III] (green), Fe II (purple), Hα (blue, right panel) and [N II] (red). The best-fit spectrum is shown as a red line and well reproduces the prominent emission lines, including the blue shoulder of the [O III] narrow line.