Abstract
It is shown that such data that exist on auroral observations in the period between 1450 and 1550 do not provide the conclusive evidence that some authors have claimed for the so-called ‘Spörer minimum’ in solar activity in this time.
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Schröder, W. Aurorae during the so-called Spörer minimum. Sol Phys 151, 199–201 (1994). https://doi.org/10.1007/BF00654093
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DOI: https://doi.org/10.1007/BF00654093