Topics | NAOJ: National Astronomical Observatory of Japan

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November 10, 2025

NAOJ and KASI Sign ALMA Collaboration MoU Amendment

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November 6, 2025

Hawai`i County Mayor’s Delegation Visits NAOJ

The Hawai`i County Mayor’s Delegation and their hosts at NAOJ. Mayor Alameda, fourth from left, and Mr. Nishimoto, fifth from left.

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November 5, 2025

Professor Mareki Honma Wins Nishina Memorial Prize

Left: Professor Mareki Honma. Right: Image of the black hole at the center of M87 captured by the EHT.

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September 12, 2025

Announcing the "Pokémon Astronomical Observatory" Special Exhibition to Explore the Mysteries of the Universe and Pokémon

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September 10, 2025

Subaru Telescope and the 0.5-meter Solar Optical Telescope aboard “Hinode” have been registered as “Essential Historical Materials for Science and Technology”

Subaru Telescope and Solar observing satellite “Hinode”

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June 24, 2025

NAOJ Researchers Contribute to Launch of Vera C. Rubin Observatory

One of the first look images released from the Vera C. Rubin Observatory

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April 15, 2025

NAOJ Researchers Receive the 2025 Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology

Award winners at the awards ceremony. From left to right: Dr. Hiramatsu, Dr. Kataoka, Dr. Fujii, Dr. Kikuchi, and Dr. Agata.

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March 17, 2025

200 MHz Solar Radio Telescope and Main Building of Temporary International Latitude Observatory Recognized as Japan Astronomica

The Mitaka 200 MHz Solar Radio Telescope (left) and the main building of the Temporary International Latitude Observatory (now the Kimura Hisashi Memorial Museum) (right), which have been recognized as Japan Astronomical Heritage.

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March 17, 2025

Awards of the Astronomical Society of Japan related to NAOJ

Viewing Mitaka stereoscopic images at the 4D2U Dome Theater at NAOJ Mitaka Campus.

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February 25, 2025

Subaru Telescope Observes Near Earth Asteroid 2024 YR₄

Asteroid 2024 YR<sub>4</sub> (marked by the crosshairs) as observed by the Subaru Telescope around 21:00 on February 20, 2025 (HAST).

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January 16, 2025

First Solar Images from Sunrise-Ⅲ

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January 10, 2025

Prime Focus Spectrograph on the Subaru Telescope to Begin Science Operations in February

Example of data obtained by PFS observing celestial objects in the Andromeda Galaxy region

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January 7, 2025

Topics: 2025

NAOJ and KASI Sign ALMA Collaboration MoU Amendment

Hawai`i County Mayor’s Delegation Visits NAOJ

Professor Mareki Honma Wins Nishina Memorial Prize

Announcing the "Pokémon Astronomical Observatory" Special Exhibition to Explore the Mysteries of the Universe and Pokémon

Subaru Telescope and the 0.5-meter Solar Optical Telescope aboard “Hinode” have been registered as “Essential Historical Materials for Science and Technology”

NAOJ Researchers Contribute to Launch of Vera C. Rubin Observatory

NAOJ Researchers Receive the 2025 Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology

200 MHz Solar Radio Telescope and Main Building of Temporary International Latitude Observatory Recognized as Japan Astronomica

Awards of the Astronomical Society of Japan related to NAOJ

Subaru Telescope Observes Near Earth Asteroid 2024 YR₄

First Solar Images from Sunrise-Ⅲ

Prime Focus Spectrograph on the Subaru Telescope to Begin Science Operations in February

A new-year’s message from the Director General, NAOJ

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Topics: 2025

NAOJ and KASI Sign ALMA Collaboration MoU Amendment

Hawai`i County Mayor’s Delegation Visits NAOJ

Professor Mareki Honma Wins Nishina Memorial Prize

Announcing the "Pokémon Astronomical Observatory" Special Exhibition to Explore the Mysteries of the Universe and Pokémon

Subaru Telescope and the 0.5-meter Solar Optical Telescope aboard “Hinode” have been registered as “Essential Historical Materials for Science and Technology”

NAOJ Researchers Contribute to Launch of Vera C. Rubin Observatory

NAOJ Researchers Receive the 2025 Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology

200 MHz Solar Radio Telescope and Main Building of Temporary International Latitude Observatory Recognized as Japan Astronomica

Awards of the Astronomical Society of Japan related to NAOJ

Subaru Telescope Observes Near Earth Asteroid 2024 YR4

First Solar Images from Sunrise-Ⅲ

Prime Focus Spectrograph on the Subaru Telescope to Begin Science Operations in February

A new-year’s message from the Director General, NAOJ

Share this page

Subaru Telescope Observes Near Earth Asteroid 2024 YR₄