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Solar photospheric magnetic field
reconstructed with spherical harmonics
(associated Legendre polynomials etc.) for N = 1 ∼ 49


Note : In the potential-field source-surface (PFSS) model that is probably most commonly used in solar physics,
the magnetic field in the solar corona (above the photosphere) can be extrapolated/reconstructed in the same way.

Thanks to AniS
Last modified: August, 2006
© K. Hayashi