00850naa#a2200181#i#450# EN\\bibl\84725 20260312025434.4 2712-9640 20250326b2025####ek#y0engy0150####ca RU Auroras during extreme geomagnetic storms: Visual observations of the SAR arc in Irkutsk during the 1859 Carrington event Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2025 4 с. Journal article local Астрономия. Астрофизика. Исследование космического пространства. Геодезия. 52 Геология. Геологические и геофизические науки. 55 Mikhalev Aleksandr Vasilyevich Beletsky Aleksandr Borisovich ras.editorum.ru