Relative flux in the NIR continues to increase

Forums Spectroscopy Is Betelgeuse heading for another deep fade? Relative flux in the NIR continues to increase

#584131
Hugh Allen
Participant

Betelgeuse is disappearing into the twilight but it’s still possible to get good spectra. I captured my latest spectrum yesterday evening with the star just 19deg above the western horizon. The relative brightness in the near infrared is continuing to increase…