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M5.3 solar flare on 2002-07-03

ClassM5.3NOAA report

Peak20:102002-07-03 UTC

Duration21 min

Peak flux5.3e-05W/m²

Comparison	Value
Rank in year	25 / 2553
Other M/X flares that day	2
M/X flares that month	35
Solar cycle	Cycle 23
Active region	AR 10017 (21 flares)

Compared with the strongest flares of 2002

X4.8 07-23X4.8

X3.3 07-20X3.3

X3.1 08-24X3.1

X3.0 07-15X3.0

X2.1 05-20X2.1

X1.8 07-18X1.8

X1.5 04-21X1.5

X1.5 07-03X1.5

X1.5 08-30X1.5

X1.2 10-31X1.2

X1.0 08-03X1.0

X1.0 08-21X1.0

Other M/X flares that day

Date	Begin	Peak	Min	Class	Location	Region
	02:08	02:13	8	X1.5	S20W51	10017
	19:41	19:45	8	M1.1	–	–

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.

← X1.5 2002-07-03 M5.8 2002-07-11 →

About this page

A M5.3 flare that began 2002-07-03 20:00 UTC; No. 25 of 2,553 C-class-or-larger flares in 2002.