Comet C/2023 A3 Tsuchinshan-ATLAS over Michigan Medicine, October 14, 2024 Year 2024 Month October Day 14 Rights Held By Kai Petainen Copyright Creative Commons (Attribution, Non-Commercial, Share-alike) Photo Subjects Kai Petainen Collection University of Michigan Hospital Nightscape Comets Michigan Medicine Kai Petainen Huron Towers Apartments