2-701-533 - Heritage Space/Heritage Images

Comet Ikeye-Seki, 1965. Ikeye-Seki, (1965f), was a long-period comet discovered independently by Kaoru Ikeya and Tsutomu Seki. It passed just 450,000 km above the Sun's surface, and was clearly visible in the daytime sky. Sometimes known as the Great Comet of 1965, it was one of the brightest comets seen in the last thousand years.