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X1.2 solar flare on 2003-10-26

ClassX1.2NOAA report
Peak06:542003-10-26 UTC
Duration96 min
Peak flux1.2e-04W/m²
ComparisonValue
Rank among X flares (1975 – Jun 2017)343 / 491
Rank in year17 / 1496
Other M/X flares that day3
M/X flares that month44
Solar cycleCycle 23
Position on diskS15E44
Active regionAR 10486 (43 flares)

Compared with the strongest flares of 2003

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
14:1514:209M1.0N05W3310484
17:2118:19120X1.2N02W3810484
21:3421:4014M7.6N01W3810484
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.

← M7.6 2003-10-24X1.2 2003-10-26 →

About this page

A X1.2 flare that began 2003-10-26 05:57 UTC; No. 17 of 1,496 C-class-or-larger flares in 2003.