Chi Cyg Spectrum
Date: August 9, 2014
Location: VCO, Victoria, BC
Optics: Meade 14 on Paramount ME
Camera: Canon EOS 500D
Spectroscope: SA 100
Processing: Software RSpec Version 1.7
This is the spectrum of the giant red star Chi Cygnus. The spectrum shows several absorption lines of titanium oxide (TiO), a single sodium D-line (Na I) and a small absorption line of zirconium dioxide (ZrO). The Hydrogen Balmer series is absent or very weak in this type of star.