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chi Cyg H-alpha Aug/Sep 2016


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About this observation
Andy Wilson
Time of observation
10/09/2016 - 23:00
chi Cyg
Observing location
Altair Astro RC 250
Lhires III spectrograph 2400 l/mm
Astro-Physics AP1200

3 spectra near H-alpha of the Mira type of variable star chi Cyg. The star is on the rise in brightness with the H-alpha emission line making an appearance. The line is associated with a hypersonic shock wave that passes through the star once per cycle.

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