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Solar flares from active region 12644
C14
M4
X0
LargestM5.82017-04-03
Span10 days
Flares by day
1
1
1
4
8
3
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2017-03-26 | 23:49 | 00:00 | 19 | C1.3 | N14E35 | 12644 |
| 2017-03-28 | 00:19 | 00:27 | 16 | C1.1 | N12E15 | 12644 |
| 2017-04-01 | 19:30 | 19:56 | 43 | C3.7 | N15W53 | 12644 |
| 2017-04-02 | 07:50 | 08:02 | 23 | M5.3 | N12W59 | 12644 |
| 2017-04-02 | 16:20 | 16:27 | 18 | C3.1 | N14W66 | 12644 |
| 2017-04-02 | 18:18 | 18:38 | 70 | M2.1 | N16W68 | 12644 |
| 2017-04-02 | 21:07 | 21:10 | 6 | C4.7 | N15W65 | 12644 |
| 2017-04-03 | 00:56 | 01:05 | 16 | M1.2 | N15W75 | 12644 |
| 2017-04-03 | 04:19 | 04:26 | 12 | C2.3 | N12W71 | 12644 |
| 2017-04-03 | 04:55 | 05:27 | 41 | C5.7 | N13W72 | 12644 |
| 2017-04-03 | 13:18 | 13:24 | 10 | C7.3 | N17W80 | 12644 |
| 2017-04-03 | 14:19 | 14:29 | 15 | M5.8 | N19W80 | 12644 |
| 2017-04-03 | 20:07 | 20:13 | 13 | C5.0 | N15W77 | 12644 |
| 2017-04-03 | 21:13 | 21:16 | 5 | C1.6 | N15W77 | 12644 |
| 2017-04-03 | 22:51 | 23:02 | 15 | C2.3 | N15W76 | 12644 |
| 2017-04-04 | 06:09 | 06:16 | 10 | C1.1 | N13W76 | 12644 |
| 2017-04-04 | 07:02 | 07:12 | 23 | C3.7 | N13W85 | 12644 |
| 2017-04-04 | 09:46 | 09:51 | 12 | C2.3 | N12W75 | 12644 |
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.
About this page
NOAA active region 12644 produced 18 C+ flares between 2017-03-26 and 2017-04-04.