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M5.7 solar flare on 1989-08-11

ClassM5.7NOAA report
Peak23:101989-08-11 UTC
Duration71 min
Peak flux5.7e-05W/m²
ComparisonValue
Rank in year111 / 2608
Other M/X flares that day3
M/X flares that month57
Solar cycleCycle 22
Position on diskS18W32
Active regionAR 5629 (54 flares)

Compared with the strongest flares of 1989

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
16:1216:2584M2.0S18W295629
19:4619:4725M1.0N17E815643
20:0120:2173M1.6S14W275629
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 1989-08-07X2.6 1989-08-12 →

About this page

A M5.7 flare that began 1989-08-11 22:43 UTC; No. 111 of 2,608 C-class-or-larger flares in 1989.