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X3.5 solar flare on 1989-04-09

ClassX3.5NOAA report
Peak00:591989-04-09 UTC
Duration115 min
Peak flux3.5e-04W/m²
ComparisonValue
Rank among X flares (1975 – Jun 2017)88 / 491
Rank in year13 / 2608
Other M/X flares that day1
M/X flares that month14
Solar cycleCycle 22
Position on diskN35E29
Active regionAR 5441 (10 flares)

Compared with the strongest flares of 1989

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
02:0202:0731M1.6S20E045438
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.

← M6.6 1989-03-26M5.5 1989-05-01 →

About this page

A X3.5 flare that began 1989-04-09 00:44 UTC; No. 13 of 2,608 C-class-or-larger flares in 1989.