208 citations · 433 across the 4 of their papers we have counts for
4 papers
Re-calibration of the Sunspot Number: Status Report
F. Clette, L. Lefèvre, T. Chatzistergos +18
We report progress on the ongoing recalibration of the Wolf sunspot number (SN) and Group sunspot number (GN) following the release of version 2.0 of SN in 2015. This report consti…
Cosmic Meteorology
Mike Lockwood, Mat Owens
Mike Lockwood and Mathew Owens discuss how eclipse observations are aiding the development of a climatology of near-Earth space
A New Calibrated Sunspot Group Series Since 1749: Statistics of Active Day Fractions
I. G. Usoskin, G. A. Kovaltsov, M. Lockwood +3
Although the sunspot-number series have existed since the mid-19th century, they are still the subject of intense debate, with the largest uncertainty being related to the "calibra…
The Maunder minimum (1645--1715) was indeed a Grand minimum: A reassessment of multiple datasets
Ilya G. Usoskin, Rainer Arlt, Eleanna Asvestari +13
Aims: Although the time of the Maunder minimum (1645--1715) is widely known as a period of extremely low solar activity, claims are still debated that solar activity during that pe…