Solar Flare Watch
🌐 English

Home › Flare history › 1980

M9.4 solar flare on 1980-11-13

ClassM9.4NOAA report
Peak00:371980-11-13 UTC
Duration53 min
Peak flux9.4e-05W/m²
ComparisonValue
Rank in year19 / 2460
Other M/X flares that day5
M/X flares that month116
Solar cycleCycle 21
Position on diskS11W21
Active regionAR 2779 (81 flares)

Compared with the strongest flares of 1980

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
03:1203:2027M1.9––
05:0505:1734M1.8–2776
09:3709:5154M8.7–2777
17:3217:4425M1.1S10W302779
18:3719:2487M4.6S16W322779
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.

← X2.5 1980-11-12M8.7 1980-11-13 →

About this page

A M9.4 flare that began 1980-11-13 00:31 UTC; No. 19 of 2,460 C-class-or-larger flares in 1980.