Bright IR source

Forums Imaging A ring around a red star Bright IR source

Robin Leadbeater

Well the sensor would not have much sensitivity that far into the IR but the star in question is the bright (V mag 6.6) star  V419 Cep / HD203380.  It is spectral class M2i which will be about 3x brighter at 1000nm compared with in the visual so pretty bright where the filter is transparent.