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M5.0 solar flare on 2003-10-27

ClassM5.0NOAA report

Peak09:272003-10-27 UTC

Duration11 min

Peak flux5.0e-05W/m²

Comparison	Value
Rank in year	36 / 1496
Other M/X flares that day	4
M/X flares that month	44
Solar cycle	Cycle 23
Position on disk	S16E26
Active region	AR 10486 (43 flares)

Compared with the strongest flares of 2003

X28.0 11-04X28.0

X17.2 10-28X17.2

X10.0 10-29X10.0

X8.3 11-02X8.3

X5.4 10-23X5.4

X3.9 11-03X3.9

X3.6 05-28X3.6

X2.7 11-03X2.7

X1.7 06-09X1.7

X1.6 06-11X1.6

X1.5 03-17X1.5

X1.5 03-18X1.5

Other M/X flares that day

Begin	Peak	Min	Class	Location	Region
04:12	04:39	56	M1.2	N00W44	10484
07:51	08:33	93	M2.7	N00W45	10484
12:27	12:43	25	M6.7	S17E25	10486
21:46	21:51	19	M1.9	N08E09	10488

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.

← M7.6 2003-10-26 M6.7 2003-10-27 →

About this page

A M5.0 flare that began 2003-10-27 09:21 UTC; No. 36 of 1,496 C-class-or-larger flares in 2003.