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CI Cyg Rising

Posted: Sun Apr 17, 2016 5:37 pm
by 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
asdb_cicyg_20151226_712_H alpha.png (19.13 KiB) Viewed 2046 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