(red) Average monthly sunspot data: http://sidc.oma.be/DATA/monthssn.dat archive copy at the Wayback Machine Leland McInnes at the English Wikipedia,...
This figure summarizes sunspot number observations. Since c. 1749, continuous monthly averages[dead link] of sunspot activity have been available and...
to en.wikipedia. 2005-06-06 17:07 SEWilco 800×600× (13911 bytes) [[Sunspot number]] since [[1750]]. {{PD-USGov-NASA}} http://science.nasa...
summarizes the 400 years of regular sunspot number observations. Since ~1749, continuous monthly averages[dead link] of sunspot activity have been available...
DescriptionSunspot Number-it.png Italiano: traduzione di File:Sunspot_Numbers.png Date 7-10-2008 Source Wikimedia commons Author HeNRyKus...
average temperature, atmospheric CO2, and sunspot activity since 1850. Thick lines for temperature and sunspots represent a 25 year moving average smoothing...
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:...
is co-chaired by NASA and NOAA. Sunspot number is an indicator of solar cycle strength - the higher the sunspot number, the stronger the cycle. determination...
URL: https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014683/002_Sunspot_ComparisonAUG.png determination method or standard: JImagehash perceptual hash...
Creative Commons Attribution-Share Alike 4.0 truetrue English Graphs of sunspot number and northern hemisphere temperature since 800AD determination method...
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