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Information of 27-day recurrence

Data of 27-day recurrence associated with the rotation period of the Sun.

27-day plots of space environment data   http://swnews.jp/rt/27d_all_27.html
K-index of Kakioka observatory, JMA (preliminary data)   http://www2.nict.go.jp/y/y223/sept/swcenter/sigma_k_e.html

High-energy electron flux (more than or equal to 2MeV) at geosynchronous orbit   http://www2.nict.go.jp/y/y223/sept/swcenter/goes_el.html

Occurrence of solar flares   http://www2.nict.go.jp/y/y223/sept/swcenter/max_fl_e.html

Sunspot number   http://www2.nict.go.jp/y/y223/sept/swcenter/sunspot.html

High-energy proton flux (more than or equal to 10MeV) at geosynchronous orbit   http://www2.nict.go.jp/y/y223/sept/swcenter/goes_pr.html

Solar wind speed observed by the ACE spacecraft   http://www2.nict.go.jp/y/y223/sept/swcenter/ace_v.html

Sector structure observed by the ACE spacecraft   http://www2.nict.go.jp/y/y223/sept/swcenter/ace_sector.html

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