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M5.6 solar flare on 1980-12-15

ClassM5.6NOAA report

Peak19:271980-12-15 UTC

Duration32 min

Peak flux5.6e-05W/m²

Comparison	Value
Rank in year	44 / 2460
Other M/X flares that day	2
M/X flares that month	38
Solar cycle	Cycle 21
Position on disk	N11E28
Active region	AR 2840 (32 flares)

Compared with the strongest flares of 1980

X9.0 11-06X9.0

X4.4 11-05X4.4

X3.9 10-25X3.9

X3.3 10-14X3.3

X3.3 11-08X3.3

X3.0 05-01X3.0

X2.7 11-07X2.7

X2.6 06-21X2.6

X2.5 07-01X2.5

X2.5 11-12X2.5

X2.2 06-04X2.2

X1.9 11-15X1.9

Other M/X flares that day

Date	Begin	Peak	Min	Class	Location	Region
	08:31	08:42	42	M1.9	–	2840
	18:28	18:40	118	M1.0	N15E35	2841

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.

← M7.5 1980-12-02 M5.1 1980-12-16 →

About this page

A M5.6 flare that began 1980-12-15 19:20 UTC; No. 44 of 2,460 C-class-or-larger flares in 1980.