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X0.1 solar flare on 1979-04-27
ClassX0.1NOAA report
Peak07:131979-04-27 UTC
Duration26 min
Peak flux1.0e-05W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 481 / 491 |
| Rank in year | 17 / 1469 |
| Other M/X flares that day | 2 |
| M/X flares that month | 13 |
| Solar cycle | Cycle 21 |
| Position on disk | N20E16 |
| Active region | AR 1705 (30 flares) |
Compared with the strongest flares of 1979
M6.0
M5.0
M5.0
M3.0
M2.0
M2.0
M2.0
M2.0
M2.0
M1.0
M1.0
M1.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 05:37 | 05:51 | 60 | M0.1 | N14E84 | 1713 | |
| 16:34 | 16:40 | 51 | M0.3 | N19E10 | 1705 |
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.
← X0.1 1979-03-27X0.1 1979-06-04 →
About this page
A X0.1 flare that began 1979-04-27 07:05 UTC; No. 17 of 1,469 C-class-or-larger flares in 1979.