most citedDaniel Mögling's sunspot observations in 1626 - 1629: A manuscript reference for the solar activity before the Maunder Minimum

16 citations · 16 across the 1 of their papers we have counts for

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astro-ph.SR2021★ 16 cited

Daniel Mögling's sunspot observations in 1626 - 1629: A manuscript reference for the solar activity before the Maunder Minimum

Hisashi Hayakawa, Tomoya Iju, Koji Murata +1

The sunspot groups have been observed since 1610 and their numbers have been used for evaluating the amplitude of solar activity. Daniel Mögling recorded his sunspot observations f…