Home › Flare history › 1989

M7.1 solar flare on 1989-08-30

ClassM7.1NOAA report

Peak16:531989-08-30 UTC

Duration25 min

Peak flux7.1e-05W/m²

Comparison	Value
Rank in year	90 / 2608
Other M/X flares that day	2
M/X flares that month	57
Solar cycle	Cycle 22
Position on disk	S15E77
Active region	AR 5669 (82 flares)

Compared with the strongest flares of 1989

X20.0 08-16X20.0

X15.0 03-06X15.0

X13.0 10-19X13.0

X9.8 09-29X9.8

X6.5 03-17X6.5

X5.7 10-24X5.7

X4.5 03-10X4.5

X4.1 06-15X4.1

X4.0 03-09X4.0

X4.0 11-21X4.0

X3.9 02-09X3.9

X3.6 03-16X3.6

Other M/X flares that day

Date	Begin	Peak	Min	Class	Location	Region
	02:39	02:44	50	M4.0	S19E68	5669
	03:44	03:56	25	M3.1	S13E72	5669

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.

← M6.8 1989-08-29 X2.3 1989-09-01 →

About this page

A M7.1 flare that began 1989-08-30 16:48 UTC; No. 90 of 2,608 C-class-or-larger flares in 1989.