Analysis of the September 23, 1998 flare H .alpha. spectra and filterghrams is presented. Spectra were obtained using multichannel flare spectrograph at the Astronomical Institute in Ondrejov.
Analysis of the September 23, 1998 flare H .alpha. spectra and filterghrams is presented. Spectra were obtained using multichannel flare spectrograph at the Astronomical Institute in Ondrejov. (en)