Home › Forums › Imaging › A ring around a red star › Bright IR source
19 June 2020 at 4:14 pm
#582665

Participant
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.
Robin