Solar data and solar-terrestrial connections

• Data about solar activity on site of Russian WDC on Solar-Terrestrial Physics.
• The branch of Solar Physics of the Main Astronomic observatory.
• Data of Kharkiv station of Solar monitoring of Kharkiv astronomic observatory.
• Real time data about solar flares, solar space rays, geomagnetic storminess indeces on the site of Kharkiv astronomical observatory.
• Parameter NOAA scale descriptions.
• Historical data about solar activity..
• History of Solar-Terrestrial connections can be found in the Main Astronomic Observatory NAS of Ukraine. It can be received by agreement with authorities here.