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Interplanetary magnetic field configuration for a period of very low solar activity within a solar maximum. With these requirements, 1st January 2013 has been selected as a representative configuration. (a) The corresponding static Parker Spiral available through NASA’s ISWA (see http://iswa.ccmc.gsfc.nasa.gov/IswaSystemWebApp). The concentric circles have radial distances in 0.5-AU steps. (b) The table with a subset of heliolongitudes for the parent solar event and the corresponding distances from the Sun to the interplanetary magnetic field connected to the Earth, and the distance to be traveled by particles (in AU).
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