更新情報 : 1つの小惑星が命名されたので、小惑星のページを更新しました。
(18400) Muramatsushigeru = 1992 WY3
Discovery: 1992-11-25 / T. Seki / Geisei / 372
Shigeru Muramatsu (b. 1951) is a Japanese amateur astronomer living in Imabari City, Ehime
Prefecture. He dedicates his time to outreach programs, holding public talks and observing sessions.