Penny Sackett, former director of the Australian National Universityβs Mount Stromlo Observatory, just outside Canberra, in the remains of the observatory, which was destroyed in a 2003 wildfire.
Electrical utilities said they weathered earlier conditions as persistent geomagnetic storms were expected to cause another light show in evening skies.
A NASA satellite recorded the sun releasing a powerful solar flare on Friday night. Elevated solar activity this week has contributed to powerful geomagnetic storms in Earthβs atmosphere.
Officials warned of potential blackouts or interference with navigation and communication systems this weekend, as well as auroras as far south as Southern California or Texas.