CI Cyg Rising

[Francois Teyssier]

The luminosity of CI Cyg has increased late 2015
The star is now at mag V ~10.7

Here's H alpha amazing evolution

asdb_cicyg_20151226_712_H alpha.png (19.13 KiB) Viewed 2045 times

Other lines :

http://www.astronomie-amateur.fr/Docume ... 5-2016.pdf

Note that FeVII remains strong
Look at the ratio He I 5875/6678

François