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HOME >> Space Weather Information for users >> Information of 27-day recurrence
Information of 27-day recurrence

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

Solar-Terrestrial Activity Chart

K-index of Kakioka observatory, JMA (preliminary data)

High-energy electron flux (more than or equal to 2MeV) at geosynchronous orbit

Occurrence of solar flares

Sunspot number

High-energy proton flux (more than or equal to 10MeV) at geosynchronous orbit

Solar wind speed observed by the ACE spacecraft

Sector structure observed by the ACE spacecraft

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