Abstract
A pattern of parallel Hα fibrils inside a network cell changed into a pattern of vertical or radial flbriles after a flare had covered the region. This may be evidence for a change of the magnetic configuration during flare occurrence.
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References
Bruzek, A.: 1968, Nobel Symp. 9, 67.
Nakagawa, Y., Raadu, M. A., Billings, D. E., and McNamara, D.: 1971, Solar Phys. 19, 72.
Zirin, H.: 1972, Solar Phys. 22, 34.
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Bruzek, A. Changes of the Hα fibril pattern during solar flares. Sol Phys 42, 215–217 (1975). https://doi.org/10.1007/BF00153297
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DOI: https://doi.org/10.1007/BF00153297