File:NOAA-SWPC real time monitor-Estimate 3-hour Planetary Kp-index, early days August 2011 (G4 geomagnetic storm in progress).jpg
NOAA-SWPC_real_time_monitor-Estimate_3-hour_Planetary_Kp-index,_early_days_August_2011_(G4_geomagnetic_storm_in_progress).jpg (640 × 480 pixels, file size: 35 KB, MIME type: image/jpeg)