Reconstruction of the Sunspot Group Number: The Backbone Method

The Discontinuity Circa 1885 in the Group Sunspot Number

(2016) E. W. Cliver et al.   SOLAR PHYSICS

Level and length of cyclic solar activity during the Maunder minimum as deduced from the active-day statistics

(2015) J. M. Vaquero et al.   ASTRONOMY & ASTROPHYSICS

The Maunder minimum (1645–1715) was indeed a grand minimum: A reassessment of multiple datasets

(2015) Ilya G. Usoskin et al.   ASTRONOMY & ASTROPHYSICS

Level and length of cyclic solar activity during the Maunder minimum as deduced from the active-day statistics

(2015) J. M. Vaquero et al.   ASTRONOMY & ASTROPHYSICS

The Maunder minimum (1645–1715) was indeed a grand minimum: A reassessment of multiple datasets

(2015) Ilya G. Usoskin et al.   ASTRONOMY & ASTROPHYSICS

Revisiting the Sunspot Number

(2014) Frédéric Clette et al.   SPACE SCIENCE REVIEWS

Inconsistency of the Wolf sunspot number series around 1848

(2013) Raisa Leussu et al.   ASTRONOMY & ASTROPHYSICS

Revised Group Sunspot Number Values for 1640, 1652, and 1741

(2013) J. M. Vaquero et al.   SOLAR PHYSICS

The Greenwich Photo-heliographic Results (1874 – 1976): Summary of the Observations, Applications, Datasets, Definitions and Errors

(2013) D. M. Willis et al.   SOLAR PHYSICS

Cyclic loss of open solar flux since 1868: The link to heliospheric current sheet tilt and implications for the Maunder Minimum

(2012) M. J. Owens et al.   JOURNAL OF GEOPHYSICAL RESEARCH

REVISITED SUNSPOT DATA: A NEW SCENARIO FOR THE ONSET OF THE MAUNDER MINIMUM

(2011) José M. Vaquero et al.   Astrophysical Journal Letters

Heliospheric magnetic field 1835-2009

(2010) Leif Svalgaard et al.   JOURNAL OF GEOPHYSICAL RESEARCH

Digitization of Sunspot Drawings by Staudacher in 1749 – 1796

(2008) R. Arlt   SOLAR PHYSICS