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M6.7 solar flare on 2003-10-27

ClassM6.7NOAA report
Peak12:432003-10-27 UTC
Duration25 min
Peak flux6.7e-05W/m²
ComparisonValue
Rank in year29 / 1496
Other M/X flares that day4
M/X flares that month44
Solar cycleCycle 23
Position on diskS17E25
Active regionAR 10486 (43 flares)

Compared with the strongest flares of 2003

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
04:1204:3956M1.2N00W4410484
07:5108:3393M2.7N00W4510484
09:2109:2711M5.0S16E2610486
21:4621:5119M1.9N08E0910488
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.

← M5.0 2003-10-27X17.2 2003-10-28 →

About this page

A M6.7 flare that began 2003-10-27 12:27 UTC; No. 29 of 1,496 C-class-or-larger flares in 2003.