“Tsuchinshan-ATLAS Comet” was discovered in 2023 and will pass out of the solar system if it misses its closest approach to the earth in October 2024. Therefore, we held an observation event on October 19 under the title of “A Meeting to Watch a Comet That Will Never Return. If conditions were good, we were expected to be able to observe it in the western evening sky. But...
　But On that day, to my surprise, it was a downpour. Although observation was not possible, a lecture by comet researcher Hiroki Akisawa was held as scheduled. He shared the latest information on comets.