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Announcements
- Closure for Year-end and New Year Holidays (December 16, 2024)
- Announcement of Summer Vacation
- Closure for Year-end and New Year Holidays (December 15, 2023)
- Subaru Telescope Observations Suspended (updated on March 5, 2024)
- Closure for Year-end and New Year Holidays (December 16, 2022)
- Loss of USB flash drive (December 2, 2022)
- Caution on spoofed emails (October 13, 2022)
- NAOJ staff members tested positive for novel coronavirus (COVID-19) (July 21, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (July 7, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (June 27, 2022)
- NAOJ staff members tested positive for novel coronavirus (COVID-19) (June 13, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (June 8, 2022)
- Graduate student tested positive for novel coronavirus (COVID-19) (May 31, 2022)
- NAOJ staff members tested positive for novel coronavirus (COVID-19) (May 19, 2022)
- Graduate student tested positive for novel coronavirus (COVID-19) (May 13, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (May 2, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (April 25, 2022)
- Statement from the NAOJ Director General on the Situation in Ukraine (April 21, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (April 19, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (April 14, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (April 11, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (April 4, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (March 31, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (February 2, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (January 31, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (January 28, 2022)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (January 14, 2022)
- Closure for Year-end and New Year Holidays (December 24, 2021)
- Theft and Loss of a Laptop PC that Contains Personal Information incident in the Republic of Chile (December 23, 2021)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (August 30, 2021)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (August 10, 2021)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (January 26, 2021)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (January 8, 2021)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (January 5, 2021)
- Closure for Year-end and New Year Holidays (December 24, 2020)
- NAOJ staff member tested positive for novel coronavirus (COVID-19) (August 19, 2020)
- Partial Solar Eclipse (June 21, 2020)
- Regarding the preventive actions for the novel coronavirus (February 22, 2020)
- Closure for Year-end and New Year Holidays (December 23, 2019)
- Dr. Norio Kaifu, Former Director General of NAOJ, Passes Away (April 16, 2019)
- Closure for Year-end and New Year Holidays (December 18, 2018)
- Happy Holidays Twitter Campaign, 2018 (December 10, 2018)
- Dr. Yoshihide Kozai Former Director General of NAOJ Passes Away (February 13, 2018)
- Closure for Year-end and New Year Holidays (December 26, 2017)
- Announcement of Close for the Year-end and New Year Holidays (December 22, 2016)
- Announcement of Close for the Year-end and New Year Holidays (December 25, 2015)
- Astrophysicist Yoshio Fujita Passes Away (January 15, 2013)