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X4.1 solar flare on 1984-05-19
ClassX4.1NOAA report
Peak22:001984-05-19 UTC
Duration9 min
Peak flux4.1e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 66 / 491 |
| Rank in year | 3 / 1262 |
| Other M/X flares that day | 1 |
| M/X flares that month | 26 |
| Solar cycle | Cycle 21 |
| Position on disk | S07E67 |
| Active region | AR 4492 (58 flares) |
Compared with the strongest flares of 1984
X13.0
X10.1
X4.1
X2.7
X2.3
X1.7
X1.0
M7.5
M7.2
M7.1
M6.3
M5.7
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 07:49 | 07:50 | 3 | M1.0 | N06W86 | 4481 |
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 1984-05-05M5.4 1984-05-20 →
About this page
A X4.1 flare that began 1984-05-19 21:51 UTC; No. 3 of 1,262 C-class-or-larger flares in 1984.