M77銀河に出現した超新星2018ivc。左はハッブル宇宙望遠鏡が爆発直後に撮影した画像。右はアルマ望遠鏡による観測画像で、爆発からおよそ200日後(右上)と、およそ1000日後(右下)。Credit: 左:Based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data C