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M7.5 solar flare on 1982-07-11
ClassM7.5NOAA report
Peak23:091982-07-11 UTC
Duration9 min
Peak flux7.5e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 58 / 3850 |
| Other M/X flares that day | 15 |
| M/X flares that month | 111 |
| Solar cycle | Cycle 21 |
Compared with the strongest flares of 1982
X12.9
X12.0
X10.1
X9.8
X8.0
X7.1
X5.9
X5.0
X4.5
X3.6
X3.2
X3.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 02:35 | 02:37 | 12 | M2.2 | S23E37 | 3806 | |
| 04:21 | 04:25 | 10 | M2.3 | N14E52 | 3804 | |
| 04:43 | 04:47 | 8 | M1.2 | – | – | |
| 05:28 | 05:41 | 20 | M1.1 | – | – | |
| 07:38 | 07:40 | 9 | M1.0 | N11E49 | 3804 | |
| 08:07 | 08:16 | 25 | M1.3 | N14E50 | 3804 | |
| 09:39 | 09:43 | 8 | M1.0 | – | – | |
| 09:53 | 09:57 | 9 | M1.0 | – | 3804 | |
| 10:45 | 10:45 | 11 | M1.9 | N17E52 | 3804 | |
| 13:37 | 14:04 | 94 | M4.6 | N09E47 | 3804 | |
| 16:42 | 17:06 | 29 | M1.5 | N17E45 | 3804 | |
| 17:06 | 17:08 | 124 | M1.0 | N14E44 | 3804 | |
| 17:06 | 17:08 | 124 | M1.1 | N14E44 | 3804 | |
| 18:15 | 18:15 | 167 | M2.7 | N16E45 | 3804 | |
| 22:10 | 22:13 | 5 | M1.8 | – | – |
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.
← M5.0 1982-07-10M5.3 1982-07-12 →
About this page
A M7.5 flare that began 1982-07-11 23:03 UTC; No. 58 of 3,850 C-class-or-larger flares in 1982.