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M6.8 solar flare on 2003-06-17

ClassM6.8NOAA report
Peak22:552003-06-17 UTC
Duration45 min
Peak flux6.8e-05W/m²
ComparisonValue
Rank in year28 / 1496
Other M/X flares that day0
M/X flares that month45
Solar cycleCycle 23
Active regionAR 10386 (13 flares)

Compared with the strongest flares of 2003

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.

← X1.3 2003-06-15X1.1 2003-10-19 →

About this page

A M6.8 flare that began 2003-06-17 22:27 UTC; No. 28 of 1,496 C-class-or-larger flares in 2003.