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  • A 3-D Sunspot Classification System
  • Observing Solar White Light Flares
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  • Sunspot Count - Jan 2026
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  • Sunspot Count - Nov 2025
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   Carrington Summary Reports
  • Summary of Solar Cycles CR2280-CR2282
  • Summary of Solar Cycles CR2277-CR2279
  • Summary of Solar Cycles CR2273-CR2276
  • Summary of Solar Cycles CR2268-CR2272
  • Summary of Solar Cycles CR2265-CR2267
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