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M5.9 solar flare on 2002-10-05

ClassM5.9NOAA report
Peak21:002002-10-05 UTC
Duration26 min
Peak flux5.9e-05W/m²
ComparisonValue
Rank in year21 / 2553
Other M/X flares that day1
M/X flares that month23
Solar cycleCycle 23
Position on diskN14E31
Active regionAR 10139 (19 flares)

Compared with the strongest flares of 2002

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
10:3910:469M1.2––
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.

← X1.5 2002-08-30X1.2 2002-10-31 →

About this page

A M5.9 flare that began 2002-10-05 20:42 UTC; No. 21 of 2,553 C-class-or-larger flares in 2002.