2 spectra are obtained during night of 19 may: 10 Cas and 6-Cep V382
H-alpha spectroscopic observations on 18 may 2018
H-alpha detail high-resolution spectroscopic observations of gam Cas, Phecda and cx Draconis.
H-alpha spectroscopic observations on 17 may 2018
H-alpha spectroscopic observation on 15 may 2018
spectroscopic observations of 2 stars during night on 15 may 2018: 58-nu Cyg, kap Draconis, cx Draconis
H-alpha spectroscopic observation on 26 april 2018
H-alpha spectroscopic observations on 20 april 2018
spectroscopic observations with C11 + L200 spectroscope with 1800 l/mm grating – H-alpha detail of Be-stars. gam Cas, shang-Ching HD20336
H-alpha spectroscopic observations on 19 april 2018
several spectroscopic observations are made on 19 april: gam Cas, VV Cep, kappa Draconis, omi Her, Menkalinan
H-alpha spectroscopic observations on 18 apr.2018
H-alpha detail spectroscopic observations on 17 apr.2018
After some weeks of clouds here i could make again spectroscopic observations with L200 spectroscope and 1800 l/mm grating. Observerd Be-stars are: gam Cas, HD138749 & kap Draconis.