授業についてのお知らせ Lecture's Information 【English】 The lectures in the first semester of AY2023 will be given mainly in a hybrid format at NAOJ Lecture Room and online (Zoom). Graduate students outside Sokendai can also join the lectures. Those who hope to enroll in a course are encouraged to pre-register with the following information: name, affiliation, e-mail address, course name, whether you need lec