LiF 1A spectra, binned by 0.065 Å and plotted relative to the corrected wavelength for the LSR reference frame. Top: Spectrum from the satellite‐night portion of the data. Bottom: Spectrum from the full data set. The O VI 1032 and 1038 Å and the C II* emission lines appear in both the night‐only and the day+night spectra. The feature at 1031.2 Å in the day+night spectrum may be the second‐order diffraction of an atmospheric emission feature of He I at 515.62 Å. It, like the Earth’s airglow emission lines (crossed circles), appears much brighter in the day+night spectrum than in the night‐only spectrum.