› Forums › Variable Stars › Nova in Perseus › H alpha falling
7 May 2018 at 12:40 am
#579445
![](https://britastro.org/wp-content/uploads/2016/11/picture-146-1478110706-80x80.jpg)
Participant
Tonight’s spectrum (in absolute flux) compared with previous spectra. Although the H alpha line remains strong in the spectrum relative to the continuum, when expressed in absolute flux the line intensity has fallen significantly over the past 4 days.
Robin