G St-Onge, JB Desrosiers - Journal of the Royal …, 2024 - search.ebscohost.com
Abstract On 2023 May 19, Koichi Itagaki detected Supernova 2023ixf in the galaxy Messier
101 (NGC 5457), which lies at~ 21 million ly away in the constellation of Ursa Major. It was …