Velocity field (moment 1) for NGC 5068. Pixels with an H I column density below N_H I = 5.9 × 10¹⁸ cm⁻² (S/N = 3) are masked. The colourbar in the bottom of the image indicates the velocity of the gas, the grey contours are spaced 10 km s⁻¹ apart with the black contour indicating the systemic velocity, v_sys = 667 km s⁻¹. The dotted magenta ellipse is centred on the optical centre of the galaxy and represents the optical size of the galaxy.