Left: first moment map of the IRAM 30 m ¹²CO(2–1) data cube. Center: second moment map of the same data cube. Right, top panel: zoom into the dashed box on the first moment map of the APEX ¹²CO (3–2) data cube to enhance the spectral resolution. Right top and bottom panels: first and second moment maps of the APEX ¹²CO(3–2) data cube into the dashed box shown in the right and middle panels, respectively. The color bar of the left figure is centered on the velocity of IC443 in the local standard of rest, v_LSR = −4.5 km s⁻¹.