J-GLOBAL ID:201110063999723228   Research Resource code:5000003399 Update date:Mar. 17, 2009

Solar Activity Data Base of National Astronomical Observatory

Contact: SAKURAI Takashi
Resource classification: Global change (Meteorology, Space, Geology, Ocean,etc)
Research area  (1): Astronomy
The database contains tables of sunspot numbers
and positions, brightness of the corona, digital
images of the sun in H-alpha.
He 10830 Angstrom, and digital vector magnetograms.
User procedures and method:
No restriction for browsing, For usage in
presentations or publications, contact us for
authorship and proper usage of data.

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