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X10.1 solar flare on 1982-12-17

ClassX10.1NOAA report
Peak18:581982-12-17 UTC
Duration204 min
Peak flux1.0e-03W/m²
ComparisonValue
Rank among X flares (1975 – Jun 2017)17 / 491
Rank in year3 / 3850
Other M/X flares that day6
M/X flares that month88
Solar cycleCycle 21
Position on diskS08W21
Active regionAR 4025 (11 flares)

Compared with the strongest flares of 1982

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
01:4501:4824M4.8S10W034026
10:0210:0416M1.3S18W614021
16:4017:0863M1.4S12W134026
20:5721:1388M4.2S08W144026
21:4421:5336M4.8–4026
22:1722:5039M5.0S16W664021
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.

← X1.6 1982-12-16M5.0 1982-12-17 →

About this page

A X10.1 flare that began 1982-12-17 18:19 UTC; No. 3 of 3,850 C-class-or-larger flares in 1982.