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M5.1 solar flare on 2013-10-28

ClassM5.1NOAA report

Peak04:412013-10-28 UTC

Duration14 min

Peak flux5.1e-05W/m²

Comparison	Value
Rank in year	19 / 1467
Other M/X flares that day	6
M/X flares that month	37
Solar cycle	Cycle 24
Position on disk	S11W46
Active region	AR 11877 (11 flares)

Compared with the strongest flares of 2013

X3.3 11-05X3.3

X3.2 05-14X3.2

X2.8 05-13X2.8

X2.3 10-29X2.3

X2.1 10-25X2.1

X1.7 05-13X1.7

X1.7 10-25X1.7

X1.2 05-15X1.2

X1.1 11-08X1.1

X1.1 11-10X1.1

X1.0 10-28X1.0

X1.0 11-19X1.0

Other M/X flares that day

Begin	Peak	Min	Class	Location	Region
01:41	02:03	31	X1.0	N04W66	11875
11:32	11:53	67	M1.4	N06W75	11875
14:00	14:05	12	M2.8	N06W75	11875
14:46	15:01	18	M2.7	S08E28	11882
15:07	15:15	14	M4.4	S08E28	11882
20:48	20:57	14	M1.5	–	–

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.

← X1.0 2013-10-28 X2.3 2013-10-29 →

About this page

A M5.1 flare that began 2013-10-28 04:32 UTC; No. 19 of 1,467 C-class-or-larger flares in 2013.