C2012 C1
Comet ISON was discovered in 2012 by two Russian astronomers, Vitali Nevski and Artyom Novichonok, while they were analyzing images from the International Scientific Optical Network's (ISON) telescope in Kislovodsk, Russia. The comet was named after the organization that discovered it, and it quickly gained attention from astronomers around the world due to its unique characteristics.