Image:Solar cycle.gif
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The solar cycle, as seen in variations of the sunspot number index. Three historical reconstruction are shown, namely the monthly sunspot number (orange), and yearly sunspot number (red), and, from 1610 to 1750, the Group sunspot number (green), generally deemed a more reliable reconstruction over this time interval.
Author: Paul Charbonneau, Physics Dept. Universite de Montreal; generated from publicly available data ( http://sidc.oma.be).
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 09:00, 30 July 2008 | 800×400 (18 KB) | Slashme ( Talk | contribs) | (Give white background, change green to blue.) |
| revert | 17:25, 31 May 2007 | 800×400 (18 KB) | Paulchar ( Talk | contribs) | (The solar cycle, as seen in variations of the sunspot number index. Three historical reconstruction are shown, namely the monthly sunspot number (orange), and yearly sunspot number (red), and, from 1610 to 1750, the Group sunspot number (green), generally) |
| revert | 13:22, 31 May 2007 | 800×400 (18 KB) | Paulchar ( Talk | contribs) | (Author: Paul Charbonneau, Physics Dept. Universite de Montreal; generated from publicly available data (http://sidc.oma.be).) |
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