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M8.9 solar flare on 1980-07-05

ClassM8.9NOAA report
Peak22:471980-07-05 UTC
Duration26 min
Peak flux8.9e-05W/m²
ComparisonValue
Rank in year21 / 2460
Other M/X flares that day2
M/X flares that month22
Solar cycleCycle 21
Position on diskN28W29
Active regionAR 2550 (17 flares)

Compared with the strongest flares of 1980

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
07:3907:4244M2.9N25W252550
15:5016:0855M1.4N27W252550
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.

← X2.5 1980-07-01X1.0 1980-07-11 →

About this page

A M8.9 flare that began 1980-07-05 22:23 UTC; No. 21 of 2,460 C-class-or-larger flares in 1980.