%0 Journal Article %T Auroras during extreme geomagnetic storms: Visual observations of the SAR arc in Irkutsk during the 1859 Carrington event %A Mikhalev, A.V. %A Beletsky, A.B. %K carrington event, auroras, SAR arc, mid-latitude airglow %J Solnechno-Zemnaya Fizika %D 2025 %N 11 %P 4 %I INFRA-M Academic Publishing LLC.