DescriptionSunspot Numbers.svg English: Numbers of sunspots since 1610. Several periodic cycles are evident, most notably the 11 year (131 ± 14 month)...
sunspot numbers: A new solar activity reconstruction. Part 1.". Solar Physics 179: 189-219. Hoyt, D. V., and K. H. Schatten (1998b). "Group sunspot numbers:...
This figure summarizes sunspot number observations. Since c. 1749, continuous monthly averages[dead link] of sunspot activity have been available and...
DescriptionSunspot numbers pl.svg Polski: Liczba plam obserwowanych na Słońcu od 1610 roku. Widoczne są pewne okresowości, głównie cykl 11-letni (okres...
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utf-8 -*- # based on https://commons.wikimedia.org/wiki/File:Temp-sunspot-co2.svg # by Leland McInnes aus der englischsprachigen Wikipedia ( https://en...
terminal svg enhanced size 1000 500 fname "Nimbus Sans L" fsize 10 set output "sunspots-reconstructed-0-2015.svg" set title "Group sunspot number 1615...
Sunspots Talk:Solar variation] 2006-11-21 22:57 Leland McInnes 1052×600× (342251 bytes) Correlations between <sup>14</sup>C and sunspot activity...
You may select the license of your choice. English Reconstruction of sunspot numbers over the last 11,000 years French Reconstruction du nombre de tâches...
DOI:10.1051/0004-6361/201423391 Frédéric Clette et al.: Revisiting the Sunspot Number: A 400-year perspective on the solar cycle. In: Space Sciences Series...