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X1.9 solar flare on 1980-11-15
ClassX1.9NOAA report
Peak15:501980-11-15 UTC
Duration111 min
Peak flux1.9e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 201 / 491 |
| Rank in year | 12 / 2460 |
| Other M/X flares that day | 7 |
| M/X flares that month | 116 |
| Solar cycle | Cycle 21 |
| Position on disk | S12W83 |
| Active region | AR 2779 (81 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 |
|---|---|---|---|---|---|---|
| 07:27 | 07:27 | 15 | M1.5 | S12W47 | 2779 | |
| 13:02 | 13:12 | 55 | M2.2 | N17E07 | 2788 | |
| 13:36 | 13:41 | 69 | M1.0 | S16W56 | 2779 | |
| 14:55 | 15:00 | 14 | M2.0 | – | – | |
| 18:02 | 18:02 | 24 | M1.2 | S13W55 | 2779 | |
| 19:56 | 20:07 | 30 | M2.9 | – | 2779 | |
| 21:46 | 21:48 | 9 | M1.2 | S10W54 | 2779 |
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.
← M6.9 1980-11-14M8.7 1980-11-16 →
About this page
A X1.9 flare that began 1980-11-15 15:40 UTC; No. 12 of 2,460 C-class-or-larger flares in 1980.