Home : Propagation : Sunspots
- Last 30 Days Solar Data - Display a table of last 30 days sunspots reports. Prepared by the U.S. Dept. of Commerce, NOAA, Space Environment Center
- NASA Sunspot Cycle Predictions - Nasa MSFC predictions on the behavior of current sunspot cycle.
- Real time sunspots number - Space Weather: Real-Time 24hr Effective Sunspot Number
- Solar Region Data - SunSpots - Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions
- About Smoothed Sunspot Number
- The short history of the SSN Smoothed Sunspot Number at Luxorion
[ Hits: 172 | Votes: 0 | Rating: 0.00 ]
- About Sunspot cycles
- Theory to explain solar cycles variability proposed by Jean-Pierre Desmoulins
[ Hits: 1942 | Votes: 7 | Rating: 5.28 ]
- Catania Observatory sunspots data
- Daily sun spots data collected by the Catania astrophysical observatory
[ Hits: 530 | Votes: 1 | Rating: 1.00 ]
- Monitors the space weather parameters essential for HF radio, including SSN/SFI, Ap/Kp, X-ray/Proton flux, and Auroral activity. IonoProbe downloads near-real time satellite and ground station data, stores information for future use and displays it in a user-friendly way.
[ Hits: 1998 | Votes: 11 | Rating: 5.37 ]
- Last 30 Days Solar Data
- Display a table of last 30 days sunspots reports.
Prepared by the U.S. Dept. of Commerce, NOAA, Space Environment Center
[ Hits: 7626 | Votes: 43 | Rating: 8.30 ]
- Maunder's Butterfly Diagram
- How to understand when a new solar cycle starts.
At the beginning of a new solar cycle, sunspots tend to form at high latitudes, but as the cycle reaches a maximum the spots form at lower latitudes.
[ Hits: 1194 | Votes: 3 | Rating: 8.33 ]
- NASA Sunspot Cycle Predictions
- Nasa MSFC predictions on the behavior of current sunspot cycle.
[ Hits: 7545 | Votes: 36 | Rating: 6.91 ]
- Predicted Sunspot Numbers and radio flux
- Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
[ Hits: 739 | Votes: 4 | Rating: 7.50 ]
- Real time sunspots number
- Space Weather: Real-Time 24hr Effective Sunspot Number
[ Hits: 5948 | Votes: 40 | Rating: 6.04 ]
- RWC Belgium
- World data center for the sunspot index
[ Hits: 1436 | Votes: 11 | Rating: 9.01 ]
- S marks the spot
- Forecasting powerful solar explosions several days in advance now be possible
[ Hits: 1126 | Votes: 0 | Rating: 0.00 ]
- Solar Flare and sunspots
- Understand the connection between solar flares and sunspots.
[ Hits: 1381 | Votes: 2 | Rating: 5.50 ]
- Solar Region Data - SunSpots
- Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions
[ Hits: 4161 | Votes: 12 | Rating: 4.58 ]
- Spotless days around solar cycle transition
- An interesting perspective of the transition from one solar cycle to another is given by exploring the days with no reported sunspots.
[ Hits: 393 | Votes: 0 | Rating: 0.00 ]
- Sunspot activity by NASA
- Sunspot cycle closely following prediction by Science @ Nasa
[ Hits: 1579 | Votes: 4 | Rating: 5.50 ]
- Sunspot Number
- How sunspot numbers are computed
[ Hits: 1408 | Votes: 3 | Rating: 5.67 ]
- Sunspot numbers explained
- Definition of smoothed sunspot number and R12 index
[ Hits: 948 | Votes: 2 | Rating: 4.00 ]
- Sunspots explained
- History, activity, glossary and modern reseach about suspots
[ Hits: 1193 | Votes: 2 | Rating: 3.50 ]
- The Sunspot Cycle
- Sunspot Numbers, The Butterfly Diagram, the Greenwich sunspot data and sunspot realted infos.
[ Hits: 1923 | Votes: 3 | Rating: 6.67 ]
- Understanding Solar Indices
- Comprehensive guide to understanding of solar indices, reading this article you will allow a better understanding and interpretation of propagation forecast bulletins and propagation reports
[ Hits: 1499 | Votes: 8 | Rating: 8.26 ]
Propagation : Sunspots
AuroraLong-Delayed EchoesMUF IndicatorsNVIS PropagationObservatoriesPropagation ForecastResourcesSolar CycleSporadic ESunspots *
Recent Links About Smoothed Sunspot Number Catania Observatory sunspots data Spotless days around solar cycle transition Predicted Sunspot Numbers and radio flux Maunder's Butterfly Diagram
Get our links, Everywhere!
Sign up for daily Newsletter
Service provided by Google FeedBurner
Free for your Site
Add our gadgets to your siteDaily Top 10 links