The LhiresIII spectrograph has a built-in neon lamp for calibrating stellar spectrum. Taking one neon spectra before and after stellar exposition is highly recommended in high resolution spectrography cause of the mechanical instability of this "at telescope...

Comparaison entre les poses unitaires brutes, les spectre 1D et neon. Comparaison between raw spectrum , 1D spectra and neon, LhiresIII, Atik314L+, Binning 2X2, slit 35µm, R=15000 960s exposure Raw spectra, and 1D spectra (Name, AD, Dec, Mv, Spectral...