Results 221 to 230 of about 546 (232)

Centennial variations in sunspot number, open solar flux, and streamer belt width: 1. Correction of the sunspot number record since 1874

Journal of Geophysical Research: Space Physics, 2014
Luke Barnard, Mike Lockwood, Mathew Owens   +2 more
exaly  

Prediction of sunspot number amplitude and solar cycle length for cycles 24 and 25

Journal of Atmospheric and Solar-Terrestrial Physics, 2011
Heitor Evangelista, Ezequiel Echer, D J R Nordemann   +2 more
exaly  

The Periodicity of the Sunspot Groups

1967
openaire   +1 more source

Re-examination of the Daily Number of Sunspot Groups for the Royal Observatory, Greenwich (1874 – 1885)

Solar Physics, 2016
David Willis, Matthew Wild
exaly  

Prediction of the maximum annual mean sunspot number in the coming solar maximum epoch

Solar Physics, 1987
R P Kane
exaly  

Relationship between sunspot numbers during years of sunspot maximum and sunspot minimum

Solar Physics, 1980
N B Trivedi
exaly  

Reconstruction of a Monthly Homogeneous Sunspot Area Series Since 1832

Solar Physics, 2004
M C Gallego, José Manuel Vaquero, F Sanchez-Bajo   +2 more
exaly  

Sunspot Numbers and Areas from the Madrid Astronomical Observatory (1876 – 1986)

Solar Physics, 2014
Víctor Manuel Sánchez Carrasco, M C Gallego, José Manuel Vaquero   +2 more
exaly  

The 17-month periodicity of sunspot activity

Solar Physics, 1987
exaly  

Periodicity of sunspot activity in the modern solar cycles

Science Bulletin, 2013
exaly