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X5.0 solar flare on 1982-12-15

ClassX5.0NOAA report
Peak16:371982-12-15 UTC
Duration89 min
Peak flux5.0e-04W/m²
ComparisonValue
Rank among X flares (1975 – Jun 2017)55 / 491
Rank in year8 / 3850
Other M/X flares that day4
M/X flares that month88
Solar cycleCycle 21
Position on diskS10E15
Active regionAR 4026 (38 flares)

Compared with the strongest flares of 1982

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
01:5001:5996X12.9S10E244026
17:0317:1013M1.4–4026
20:4521:52156M2.5S06W014025
21:5321:5916M5.2–4025
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.

← X12.9 1982-12-15M5.2 1982-12-15 →

About this page

A X5.0 flare that began 1982-12-15 16:20 UTC; No. 8 of 3,850 C-class-or-larger flares in 1982.