Two X-class solar flares - X1.8 and X1.7 erupt from Region 3590 - The Watchers

sunspot Archives - Universe Today

Sun Erupts With Wildly Powerful Solar Flares: The Biggest Seen in

Moderately strong M7.2 solar flare erupts from Region 3293 - The

sunspot Archives - Universe Today

First X-class solar flare of Solar Cycle 24 - X2.3 on February 14

Powerful Twin Solar Flares Erupted This Week, Did They Cause Cell

Powerful twin solar flares erupt from sun as cell phone outages

X1.0 solar flare erupts from Region 3186 — CME produced - The Watchers

Sun erupts in strongest solar flare observed so far in current solar

Powerful Twin Solar Flares Erupted This Week, Did They Cause Cell

Long-duration M4.2 solar flare erupts from Region 3575

NASA SVS First X-Class Solar Flares of 2013