TY JOUR TI Scientific goals of optical instruments of the National Heliogeophysical Complex KW airglow KW photometer KW diffraction spectrometer KW Fabry—Perot interferometer KW all-sky camera KW stereoscopy KW horizontal wind KW vertical wind KW meteors KW atmospheric electricity KW artificial modification of the ionosphere JO Solar-Terrestrial Physics AU Vasilyev, R.V. AU Artamonov, M.F. AU Beletsky, A.B. AU Zorkaltseva, O.S. AU Komarova, E.S. AU Medvedeva, I.V. AU Mikhalev, A.V. AU Podlesny, S.V. AU Ratovsky, K.G. AU Syrenova, T.E. AU Tashchilin, M.A. AU Tkachev, I.D. PY 2020 IS 6 PB INFRA-M Academic Publishing LLC.