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Planetarium Sheet
National Astronomical Observatory of Japan
三鷹市国立天文台 4D2Uドームシアター
4D2U Theater


JAPAN , TOKYO , MITAKA
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National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan
National Astronomical Observatory of Japan


Type: Observatory
Opened in 2007

Address: 2-21-1 Ohsawa - Mikata, 181-8588, Tokyo
Country: JAPAN
Email: 
Phone: +81 422-34-3688

Website: https://prc.nao.ac.jp/4d2u/
Website 2: https://www.nao.ac.jp/about-naoj/organization/facilities/mitaka/visit-facilities/4d2u-dome-theater.html
     







40 seats









Tilt 10°

Dome of  10.0m




Technical
Digital system Prototype : NAOJ
Software: 4D2U (Mitaka)
Video system Barco : 5+1
Meridian resolution 3.2 K
Stereoscopic 120hz Volfoni edge 1.2
Sound 5.1
Dome: 10 deg. tilted dome (flat floor)

Facilities
Other: 12 computers video
Observatory 200mm refractor Zeiss (1927)
650mm Zeiss (1929)
500mm (1995)
spectrohelio (1930)
135mm refractor meridian (1880 then 1937)
190mm refractor meridian (1982)
1999: interferometer 300m each side (TAMA300)

Operation

History
- 1921: observatory
- 2007: 10m/40s/Mitaka (3D real time astronomical software) headquarters and development
- 2015: computer, projectors 3D

Last major evolution: 2015: New computers + projectors 120hz + 20 seats

Comments


Latitude: 35°40'28" N  -  Longitude: 139°32'13" E  -  Altitude: 62m

last update: 03/03/2024

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