34 citations · 34 across the 1 of their papers we have counts for
2 papers
astro-ph.SR2013★ 34 cited
Inconsistency of the Wolf sunspot number series around 1848
R. Leussu, I. G. Usoskin, R. Arlt +1
Aims. Sunspot number is a benchmark series in many studies, but may still contain inhomogeneities and inconsistencies. In particular, an essential discrepancy exists between the tw…
astro-ph.SR2013
Sunspot positions and sizes for 1825-1867 from the observations by Samuel Heinrich Schwabe
R. Arlt, R. Leussu, N. Giese +2
Samuel Heinrich Schwabe made 8486 drawings of the solar disk with sunspots in the period from November 5, 1825 to December 29, 1867. We have measured sunspot sizes and heliographic…