Full spectrum of the MUSE dataset, extracted at the approximate positions of slit1 from Baldwin et al. (1991; red) and at the optical slit from Osterbrock et al. (1992; blue). The “slit1”-spectrum is shown again in black, multiplied with the factor at the bottom of each panel to highlight fainter lines. We note that the different panels have different absolute scales. Line identifications from the same two references are shown, hydrogen lines are in blue (lines Pa20 to Pa35 are marked but not annotated), helium lines in violet, metal lines in orange, and lines where the sky contribution dominates are gray. Unresolved line doublets and multiplets are marked with “(d)” and “(m)”, respectively. A few faint lines without identification are marked in red.
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