TY JOUR TI Spectral and photometric characteristics of mid-latitude auroras during the magnetic storm of March 17, 2015 KW geomagnetic storm KW mid-latitude aurora KW spectrum of mid-latitude aurora KW 557.7 and 630.0 nm emissions JO Solar-Terrestrial Physics AU Mikhalev, A.V. AU Beletsky, A.B. AU Vasilyev, R.V. AU Zherebtsov, G.A. AU Podlesny, S.V. AU Tashchilin, M.A. AU Artamonov, M.F. PY 2018 IS 4 PB INFRA-M Academic Publishing LLC.