File:Sunspot Numbers.svg
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DescriptionSunspot Numbers.svg |
English: Numbers of sunspots since 1610.[1][2] Several periodic cycles are evident, most notably the 11 year (131 ± 14 month) cycle. The green line represents continuous monthly averages reported by the Solar Influences Data Center since 1749. The red data points represent sporadic observations since 1610.
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Source | Self-made using gnuplot. |
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File:Sunspot Numbers.png (raster); File:Sunspot numbers pl.svg (Polish translation) |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | ||
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This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:02, 1 August 2008 | 660 × 400 (294 KB) | Slashme (talk | contribs) | Bigger text | |
20:46, 1 August 2008 | 660 × 400 (299 KB) | Slashme (talk | contribs) | {{Information |Description={{en|1=Numbers of sunspots since 1610.<ref name='Hoyt-Schatten_a'> {{cite journal|title=Group sunspot numbers: A new solar activity reconstruction. Part 1|journal=Solar Physics|date=1998|first=D.V.|last=Hoyt|coauthors=K.H. Schat |
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Image title | Produced by GNUPLOT 4.0 patchlevel 0 |
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