Comparison between the JWST-MIRI (red) and iSHELL (black) data within the wavelength region of 4.9–5.1 µm, to highlight the differences in flux and resolution. The iSHELL observations are offset by 0.75 Jy. The vertical lines at the top of the plot indicate the positions of the ¹²CO υ = 2−1 (teal) and ¹³CO υ = 1−0 (orange) transitions, to highlight the main contributors of the secondary CO emission peaks visible in this wavelength region.