https://cosmosmagazine.com/space/spotted-first-few-hours-of-a-supernova
"iPTF13dqy (SN2013fs) exploded in a relatively nearby (~160 million light years) spiral galaxy on 6 October 2013 and was detected by the Palomar Transient Factory sky survey a mere three hours after explosion."
"iPTF13dqy (SN2013fs) exploded in a relatively nearby (~160 million light years) spiral galaxy on 6 October 2013 and was detected by the Palomar Transient Factory sky survey a mere three hours after explosion."
