Comparison of the H_α profile of the two AAOmega 2dF spectra of XMMSL1 J0619-65 taken on 2012-12-03 (blue) and 2013-10-18 (green). Both spectra have been normalised to their respective continua. The dotted lines represent fits of a multi-component (very broad, broad and narrow lines) model (see text). The lower panel shows the difference spectrum produced when subtracting the normalised 2012-12-03 profile from that of 2013-10-18.