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SOLAR CYCLE 24 X-CLASS EVENTS

X-Class Solar Flares of 2012:
X1.8 at 03:17 UTC on October 23  SR1598
X1.4 at 16:49 UTC on July 12  SR1515
X1.1 at 23:08 UTC on July 6  SR1515
X1.3 at 01:14 UTC on March 7  SR1430
X5.4 at 00:24 UTC on March 7  SR1429
X1.1 at 04:09 UTC on March 5  SR1429
X1.7 at 18:37 UTC on Jan. 27  SR1402

X-Class Solar Flares of 2011:
X1.9 at 20:27 UTC on November 3  SR1339
X1.9 at 09:40 UTC on September 24  SR1302
X1.4 at 11:01 UTC on September 22  SR1302
X1.8 at 22:38 UTC on September 7  SR1283
X2.1 at 22:20 UTC on September 6  SR1283
X6.9 at 08:05 UTC on August 9  SR1263
X1.5 at 23:23 UTC on March 9  SR1166
X2.2 at 01:56 UTC on February 15  SR1158

SR= Sunspot Region
Previous page: X-Class Flares of 2013-2015
X-Class Solar Flares of 2007-2010: None (no X-class flares occurred during these years)
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