Solar flare seen by SOHO

A solar flare seen by the LASCO imager on board the ESA/NASA SOHO spacecraft on 31 August 2012 at 23:30 UTC. The eruption was accompanied by a C8 flare and a full halo coronal mass ejection (CME) causing a minor geomagnetic storm on Earth. The core of the ejected filament was not directed towards Earth, but behind it