sunspot 1263: X-class flare just occured
An X-class (X7 according to Spaceweather.com) solar flare just occured from sunspot 1263, apparantly around 8:35 UTC.
X-class flares are the most powerful category of solar flares, which can cause all sorts of problems when earth-directed. It is currently unkown whether this is the case.
Last week has been an extremely active period, with 3 M-class CME’s (originating from sunspot 1261) merging into one large CME.
UPDATE: according to Solarham.com the flare is not fully earth-directed.
X-ray data for X6-class solar flare (sunspot 1263)
update: NASA Stereo Beacon data of this event
Stereo Beacon data on sunspot 1263 flare
