Spectrum of source ID: 197590 (bold line), ID: 788 in the catalogue of Letarte et al. (2002). This star has been spectroscopically classified as an M-type giant, but also shows CN features. Above is plotted the spectrum of an M1 III star, from the catalogue of Kacharov et al. (2012) for comparison. Below is plotted the average C3.2 spectrum. The TiO and CN bandheads, and other molecular and atomic features, have been marked.