At 0057 UTC on July 7, the Australian Space Forecast Centreissued a Geomagnetic Disturbance Warning: “Expect an increase in geomagneticactivity late on UT day, 08-09 July due to influence of geoeffective coronalhole.”
Our Sun showed no sunspots on July 3-4, so average daily sunspot numbersdropped from 20.3 on June 22-28 to 8 during the current reporting week, June 29through July 5. Average daily...
Continue reading...
Our Sun showed no sunspots on July 3-4, so average daily sunspot numbersdropped from 20.3 on June 22-28 to 8 during the current reporting week, June 29through July 5. Average daily...
Continue reading...