H alpha prominent in spectrum again

Forums Variable Stars Nova in Cas H alpha prominent in spectrum again

#583022
John Coffin
Participant

The H alpha line has become very prominent again and the P Cygni profile has disappeared. There appear to be emission lines for Fe II, He I and [O I]. The spectrum was recorded around midnight on 18th/19th August with an Alpy 600 and the resolution is ~ 550.