Reanalyses of the sunspot observations of Fogelius and Siverus: two ‘long-term’ observers during the Maunder minimum
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DOI: 10.1093/mnras/staa2965
Abstract: The solar activity during the Maunder Minimum (MM; 1645 -- 1715) has been considered significantly different from the one captured in modern observations, in terms of sunspot group number and sunspot positions, whereas its actual… read more here.
Keywords: maunder minimum; long term; reanalyses sunspot; sunspot observations ... See more keywords
Latitude and Power Characteristics of Solar Activity at the End of the Maunder Minimum
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DOI: 10.1134/s0016793217070106
Abstract: Two important sources of information about sunspots in the Maunder minimum are the Spörer catalog (Spörer, 1889) and observations of the Paris observatory (Ribes and Nesme-Ribes, 1993), which cover in total the last quarter of… read more here.
Keywords: maunder minimum; solar activity; end maunder; activity ... See more keywords