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M5.4 solar flare on 2004-07-13

ClassM5.4NOAA report

Peak08:482004-07-13 UTC

Duration15 min

Peak flux5.4e-05W/m²

Comparison	Value
Rank in year	31 / 1046
Other M/X flares that day	4
M/X flares that month	39
Solar cycle	Cycle 23
Position on disk	N14W51
Active region	AR 10646 (15 flares)

Compared with the strongest flares of 2004

X3.6 07-16X3.6

X2.5 11-10X2.5

X2.0 11-07X2.0

X1.8 07-15X1.8

X1.8 08-18X1.8

X1.6 07-15X1.6

X1.3 07-16X1.3

X1.2 10-30X1.2

X1.1 02-26X1.1

X1.1 07-16X1.1

X1.0 07-17X1.0

X1.0 08-13X1.0

Other M/X flares that day

Begin	Peak	Min	Class	Location	Region
00:09	00:17	14	M6.7	N14W45	10646
11:59	12:08	13	M2.9	S10E72	10649
18:33	18:38	9	M1.1	S12E66	10649
19:24	19:32	12	M6.2	N14W56	10646

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.

← M6.7 2004-07-13 M6.2 2004-07-13 →

About this page

A M5.4 flare that began 2004-07-13 08:40 UTC; No. 31 of 1,046 C-class-or-larger flares in 2004.