An interesting time to be practising "Spectroscopy 101"
Report states:
Currently this is the faintest the star has been during our 25+ years of continuous monitoring and 50 years of photoelectric V-band observations. The light variations are complicated and arise from pulsations as well from the waxing and waning of large super-granules on the star's convective surface.
http://www.astronomerstelegram.org/?read=13341