Solar Activity Monitoring and Forecasting

Solar Physics Department

Regional Warning Centre Prague


Latest Observations: September 22, 2017

Sunspot Drawing

White-Light Full Disk

H-alpha Full Disk

White-Light - detail

H-alpha - detail

Forecasts
Solar activity forecast for the September 23 - 24, 2017   activity level will be low (2) (explanation)
Weekly Forecasts Bulletin   issued September 21, 2017    (receive)

Latest ursigram:  170922
Latest message for SIDC:  1708

Archives


© 2012 - 2017 Astronomical Institute, Ondrejov, Czech Republic