(A–C) Continuum-subtracted maps. (A) Integrated cube (6908–9158 Å). (B) [C I] λ8272 integrated map. (C) Sum of the integrated maps of the [O II] doublet at 7320 and 7330 Å. Dashed white contours indicate intensity levels. Their spacings are indicated with the whites lines on the colour bars. (D) MUSE spectrum (blue) and HST photometry (orange dots) of V2376 Ori b. HST filter widths are indicated by orange bars. Green lines mark recombination features; other lines are labelled in black.