Ikeya-Seki, Comet (C/1965 S1)
A member of the Kreutz family of sun-grazing
comets that was visible in broad daylight during October 1965 and displayed
a tail 60° long at maximum; its nucleus split into three parts at perihelion.
It was discovered independently in September 1965 by the Japanese amateur
astronomers Kaoru Ikeya (1943–) and Tsutomu Seki (1930–).
||0.008 AU (1.2 million km)