The continuum flux level of the spectrum is dropping as the magnitude fades, V=4.88, 5.44, 6.24 for the 3 spectra below.
In answer to Hugh’s question above about the changes which have been taking place in the Balmer emission lines, I have posted information about this on the ARAS Forum at
http://www.spectro-aras.com/forum/viewtopic.php?f=36&t=2804&start=30#p15940
David
