spectro-aras.com

Natalia Shagatova and Augustin Skopal propose a monitoring of The recurrent nova RS Oph before its next outburst

http://www.astrosurf.com/aras/novae/Inf ... _supp1.pdf

Send spectra to francoismathieu.teyssier () bbox.fr for inclusion in the database and information letter

All the best,
François

Here's a spectrum of RS Oph taken last night with some clouds with an eShel spectrograph

H Alpha line


H Beta line


And the H Alpha / H Beta together

Very fast variations of the line profiles, especially in Balmer lines.
High cadency monitoring is strongly recommended

François Teyssier