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M6.8 solar flare on 1989-03-17

ClassM6.8NOAA report

Peak07:191989-03-17 UTC

Duration36 min

Peak flux6.8e-05W/m²

Comparison	Value
Rank in year	93 / 2608
Other M/X flares that day	5
M/X flares that month	100
Solar cycle	Cycle 22
Position on disk	N32W59
Active region	AR 5395 (107 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

Begin	Peak	Min	Class	Location	Region
02:35	02:38	93	M2.5	N31W72	5395
11:07	11:09	24	M4.1	N32W59	5395
17:29	17:37	123	X6.5	N33W60	5395
20:07	20:14	86	M1.4	S13E14	5403
23:11	23:12	19	M2.4	N37W64	5395

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.

← X1.4 1989-03-16 X6.5 1989-03-17 →

About this page

A M6.8 flare that began 1989-03-17 07:15 UTC; No. 93 of 2,608 C-class-or-larger flares in 1989.