Solar Flare M9.3 AR1877(2013-10-24 00:00:20 - 2013-10-24 00:44:10 UTC)

Earth-facing sunspot AR1877 erupted on Oct. 24th at 00:30 UT (Oct. 23rd at 5:30 pm PDT), producing an M9-class solar flare. A flash of extreme UV radiation from the flare ionized Earth’s upper atmosphere and created a brief HF radio blackout on the sunlit side of the planet. Stay tuned for updates about this significant event.