Results 91 to 95 of about 105 (95)

Average properties of bipolar magnetic regions during sunspot cycle 21

Solar Physics, 1989
Y -M Wang, Wang Y -M, Sheeley N R
exaly  

Periodicity of sunspot activity in the modern solar cycles

Science Bulletin, 2013
K J Li
exaly  

Revisiting the Sunspot Number

Space Science Reviews, 2014
F Clette, Leif Svalgaard, J M Vaquero
exaly  

A note on the relationship between sunspot numbers and active days

Advances in Space Research, 2014
J M Vaquero
exaly  

The Formation of a Multifilament System Driven by Photospheric Converging Motions in a Bipolar Sunspot

Astrophysical Journal Letters
H T Li, Xiaoli Yan, Jacob Oloketuyi
exaly