Results 221 to 230 of about 1,269 (230)

Hemispheric asymmetry of long-term sunspot activity: sunspot relative numbers for 1939–2019

Monthly Notices of the Royal Astronomical Society, 2022
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 shape of the sunspot cycle

Solar Physics, 1994
David Hathaway, Robert M Wilson, Hathaway David H   +2 more
exaly  

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

Solar Physics, 1987
R P Kane, Kane R P, R P Kane
exaly  

Relative Sunspot Number

2004
openaire   +1 more source

A Neglected Cycle in Sunspot Numbers?

Journal of the Atmospheric Sciences, 1962
Ralph Shapiro, Fred Ward
openaire   +1 more source

The 17-month periodicity of sunspot activity

Solar Physics, 1987
exaly  

Wavelet analysis of sunspot numbers

Chinese Astronomy and Astrophysics, 1997
openaire   +1 more source

Reduction of Sunspot-Number Observations

Publications of the Astronomical Society of the Pacific, 1949
openaire   +1 more source

Covid-19 and sunspot number

2020
openaire   +1 more source