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M8.4 solar flare on 2005-01-15

ClassM8.4NOAA report

Peak04:312005-01-15 UTC

Duration10 min

Peak flux8.4e-05W/m²

Comparison	Value
Rank in year	22 / 699
Other M/X flares that day	7
M/X flares that month	27
Solar cycle	Cycle 23
Position on disk	N14E06
Active region	AR 10720 (88 flares)

Compared with the strongest flares of 2005

X17.0 09-07X17.0

X7.1 01-20X7.1

X6.2 09-09X6.2

X5.4 09-08X5.4

X3.8 01-17X3.8

X3.6 09-09X3.6

X2.6 01-15X2.6

X2.1 09-10X2.1

X1.7 01-01X1.7

X1.7 09-13X1.7

X1.5 09-13X1.5

X1.3 01-19X1.3

Other M/X flares that day

Begin	Peak	Min	Class	Location	Region
00:22	00:43	40	X1.2	N14E08	10720
04:09	04:16	13	M1.3	N14E06	10720
05:54	06:38	83	M8.6	N16E04	10720
11:41	11:48	9	M1.2	N14E02	10720
14:08	14:23	31	M3.2	S08W12	10718
22:01	22:08	15	M1.0	N14W07	10720
22:25	23:02	66	X2.6	N15W05	10720

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.

← X1.2 2005-01-15 M8.6 2005-01-15 →

About this page

A M8.4 flare that began 2005-01-15 04:26 UTC; No. 22 of 699 C-class-or-larger flares in 2005.