noun
Comet Ikeya-Seki
A famous sungrazing comet discovered in 1965 by Kaoru Ikeya and Tsutomu Seki.
池谷・関彗星は1965年に発見された大彗星です。
Comet Ikeya-Seki is a great comet discovered in 1965.
Standard spelling with interpunct.
Variant without interpunct.
Named after its discoverers, Japanese amateur astronomers Kaoru Ikeya (池谷) and Tsutomu Seki (関).