NIRCam imaging and NIRSpec/PRISM spectrum of LRD-204851 at z_sys = 5.482. Top row: τhree NIRCam RGB cutouts at the native resolution, all shown with a common linear stretch. The left panel uses three continuum filters; the middle panel highlights [O III]+Hβ; and the right panel highlights Hα+[N II] in green. The target is a compact red point source in F460M, but shows a remarkably elongated blue continuum extension from southeast to northwest, as well as complex structures in optical emission lines. Bottom: NIRSpec/PRISM spectrum (MSA shuttle is shown in the inset). The blue and red solid lines show the rest-UV and rest-optical continuum power laws, respectively. The characteristic “V-shaped” continuum identifies LRD-204851 as an LRD, and higher-resolution spectra confirm that its Hα emission includes a broad component with FWHM > 1000 km s⁻¹ (J. Matthee et al. 2024; I. Juodžbalis et al. 2026; J. Matthee et al. 2026); these spectra are not shown here.