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NAOJ News 2016,3 Special Poster
(PDF,21MB,3.6MB)
A spotless month (2009)
The biggest sunspot in solar cycle 24 (2014)
Sunspot relative numbers since 1918
Sunspot butterfly diagram
Solar flare in Hα
(Aug. 4 2011)
A plane transit the Sun (Feb. 28 2015)
The ISS transit across the Sun (Nov. 3 2015)
Useful Links
Instruments
Current Instruments
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| Solar Flare Telescope References: Sakurai et al., 2018 Hanaoka et al., 2020 |
White Light Telescope |
Solar Eclipse Observation |
World Data Center |
Past Instruments
- - Mitaka campus
- H-Alpha Flare Patrol Telescope
- STEP Full-Disk Magnetograph
- Solar Tower (National Cultural Monument)
- - Norikura Solar Observatory
- - Okayama Astrophysical Observatory
- 65cm Coude-Type Solar Telescope
- Vector Magnetograph
Last Updated: 2012 September 14
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