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X1.1 solar flare on 2013-11-08

ClassX1.1NOAA report
Peak04:262013-11-08 UTC
Duration9 min
Peak flux1.1e-04W/m²
ComparisonValue
Rank among X flares (1975 – Jun 2017)389 / 491
Rank in year9 / 1467
Other M/X flares that day1
M/X flares that month23
Solar cycleCycle 24
Position on diskS14E15
Active regionAR 11890 (32 flares)

Compared with the strongest flares of 2013

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
09:2209:289M2.3S17W2811891
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.

← X3.3 2013-11-05X1.1 2013-11-10 →

About this page

A X1.1 flare that began 2013-11-08 04:20 UTC; No. 9 of 1,467 C-class-or-larger flares in 2013.