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M9.3 solar flare on 1989-06-20

ClassM9.3NOAA report
Peak22:081989-06-20 UTC
Duration74 min
Peak flux9.3e-05W/m²
ComparisonValue
Rank in year66 / 2608
Other M/X flares that day3
M/X flares that month96
Solar cycleCycle 22
Position on diskN18W81
Active regionAR 5528 (25 flares)

Compared with the strongest flares of 1989

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
14:4815:08152X1.6––
17:2517:2620M1.5S19E685552
20:1220:2035M1.1S18W545533
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.

← X1.6 1989-06-20M7.4 1989-07-03 →

About this page

A M9.3 flare that began 1989-06-20 22:01 UTC; No. 66 of 2,608 C-class-or-larger flares in 1989.