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20152023
most citedAn Assessment of Sunspot Number Data Composites over 1845-2014

45 citations · 309 across the 16 of their papers we have counts for

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astro-ph.SR2015★ 44 cited

Tests of sunspot number sequences: 3. Effects of regression procedures on the calibration of historic sunspot data

M. Lockwood, M. J Owens, L. Barnard +1

We use sunspot group observations from the Royal Greenwich Observatory (RGO) to investigate the effects of intercalibrating data from observers with different visual acuities. The…