Robin L. just posted this:
https://maas.museum/observations/201...r-eta-carinae/
Do any members have spectra from the 2014 period which show the loss of emission lines????
EDIT: I should have said Lo-Res spectra. There are many Hi-res included in the Eta Car 2014.6 Campaign results.
There are some in this this forum, but none I can see which show a complete loss of the Ha.