Home › Flare history › 2013
X1.7 solar flare on 2013-05-13
ClassX1.7NOAA report
Peak02:172013-05-13 UTC
Duration39 min
Peak flux1.7e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 245 / 491 |
| Rank in year | 6 / 1467 |
| Other M/X flares that day | 2 |
| M/X flares that month | 18 |
| Solar cycle | Cycle 24 |
Compared with the strongest flares of 2013
X3.3
X3.2
X2.8
X2.3
X2.1
X1.7
X1.7
X1.2
X1.1
X1.1
X1.0
X1.0
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 11:57 | 12:03 | 12 | M1.3 | – | – | |
| 15:48 | 16:05 | 28 | X2.8 | N14E83 | – |
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.
← M5.7 2013-05-03X2.8 2013-05-13 →
About this page
A X1.7 flare that began 2013-05-13 01:53 UTC; No. 6 of 1,467 C-class-or-larger flares in 2013.