Reduced Fabry‐Pérot map of IRAS 20551−4250. North is to the left; east is to the bottom. Top left, continuum map; top right, Hα emission map; and bottom left, Hα velocity map. Light shading is blueshifted relative to systemic; dark shading is redshifted. Bottom right, Hα velocity dispersion map. Dark regions represent high velocity dispersion.