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X2.6 solar flare on 1980-06-21
ClassX2.6NOAA report
Peak01:251980-06-21 UTC
Duration43 min
Peak flux2.6e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 133 / 491 |
| Rank in year | 8 / 2460 |
| Other M/X flares that day | 1 |
| M/X flares that month | 46 |
| Solar cycle | Cycle 21 |
| Position on disk | N20W90 |
| Active region | AR 2502 (8 flares) |
Compared with the strongest flares of 1980
X9.0
X4.4
X3.9
X3.3
X3.3
X3.0
X2.7
X2.6
X2.5
X2.5
X2.2
X1.9
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 00:03 | 00:59 | 165 | M2.3 | S12E17 | 2528 |
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.
← M7.3 1980-06-07M6.7 1980-06-27 →
About this page
A X2.6 flare that began 1980-06-21 01:17 UTC; No. 8 of 2,460 C-class-or-larger flares in 1980.