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Delta spots and great flares |
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| Authors: | Zirin Harold Liggett Margaret A |
| Institution: | 1.Big Bear Solar Observatory, California Institute of Technology, 91125, Pasadena, California ; |
| Abstract: | Solar Physics - Using eighteen years of observations at Big Bear, we summarize the development of δ spots and the great flares they produce. We find δ groups to develop in three ways:... |
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