Monthly Sunspot Number Websites
Solar Terrestrial Activity Report
- solen.info
The Solar Terrestrial Activity Report contains solar and geomagnetic data relevant to the reception of distant radio stations. Solar flux (10.7 cm radio flux), number of sunspots, planetary A index and various other solar related parameters are updated daily, as are comments and forecasts based on the data.
2,887,924
$
480.00
Solar Terrestrial Activity Report
- solarresearch.info
The Solar Terrestrial Activity Report presents current solar data and images. Coronal holes and active solar regions are tracked daily and documented using SDO images.
Not Applicable
$
8.95