Solar Patrol Service Data Policy

In order to use, analyze and promote the publicly available data* provided by Solar Patrol Service (SPS) we kindly ask you to:

  • acknowledge the source of the data by following phrase: 
    ‚Data* were provided by the Solar Patrol Service, Astronomical Institute of the CAS.‘
  • inform us about any publication where our data are used at: sunwatch(at)
  • contact us at sunwatch(at) if you decide to use our data continually for any reason

* By data we mean: sunspot drawings, WL and Ha images, forecasts, ursigrams, relative sunspot number, bulletins and graphs.