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X0.1 solar flare on 1978-05-28
ClassX0.1NOAA report
Peak15:021978-05-28 UTC
Duration10 min
Peak flux1.0e-05W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 467 / 491 |
| Rank in year | 14 / 1141 |
| Other M/X flares that day | 2 |
| M/X flares that month | 26 |
| Solar cycle | Cycle 21 |
| Position on disk | N17W10 |
| Active region | AR 1129 (21 flares) |
Compared with the strongest flares of 1978
X1.5
M5.0
M3.0
M3.0
M3.0
M2.0
M2.0
M2.0
M2.0
M2.0
M2.0
M1.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 10:44 | 10:47 | 17 | M0.1 | N18W05 | 1129 | |
| 13:14 | 13:15 | 39 | M0.1 | N20W18 | 1133 |
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.
← X0.2 1978-05-07X0.3 1978-07-09 →
About this page
A X0.1 flare that began 1978-05-28 14:57 UTC; No. 14 of 1,141 C-class-or-larger flares in 1978.