Karl von Lindener’s sunspot observations during 1800–1827: Another long-term dataset for the Dalton Minimum | Journal of Space Weather and Space Climate

Topical Issue - Space Climate: Long-term effects of solar variability on the Earth’s environment

Open Access

Figure 6

Von Lindener’s sunspot positions in comparison with those of Derfflinger (black dots: Hayakawa et al., 2020a), Prantner (black squares; Hayakawa et al., 2021a), Flaugergues (blue circles; Illarionov & Arlt, 2023), and Schwabe (black diamonds: Senthamizh Pavai et al., 2015). For von Lindener’s data, brighter and darker colours indicate denser and scarcer data concentrations of the sunspot positions.

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