Magnetograms obtained with PHI HRT. Panel a shows the cropped FoV of HRIEUV imposed on top of the HRT view. The blue rectangle shows the location of the spine. Red dashed curves show identified loops used for alignment purposes. The black dashed circle shows a sunspot near the spine. Panel b shows a zoomed-in view of the feature. Panel c shows a PHI zoomed-in view alone. Red dashed circles show the footpoint at the origin of the spine and the footpoint corresponding to the remote brightening.