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Solar flares from active region 1574
C15
M19
X3
LargestX0.21979-02-16
Span12 days
Flares by day
1
5
1
2
1
7
4
7
5
3
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1979-02-14 | 01:06 | 01:09 | 7 | M0.1 | N17E82 | 1574 |
| 1979-02-15 | 01:24 | 01:25 | 4 | C0.6 | N17E70 | 1574 |
| 1979-02-15 | 02:47 | 02:48 | 16 | C0.5 | N16E68 | 1574 |
| 1979-02-15 | 15:54 | 15:56 | 12 | C0.3 | N15E56 | 1574 |
| 1979-02-15 | 16:16 | 16:26 | 51 | C0.7 | N16E49 | 1574 |
| 1979-02-15 | 17:13 | 17:15 | 12 | M0.1 | N16E49 | 1574 |
| 1979-02-16 | 01:45 | 02:00 | 63 | X0.2 | N15E48 | 1574 |
| 1979-02-18 | 06:49 | 06:49 | 7 | X0.1 | N16E13 | 1574 |
| 1979-02-18 | 19:47 | 19:56 | 57 | M0.4 | N16E14 | 1574 |
| 1979-02-19 | 17:55 | 18:14 | 59 | M0.8 | N15E02 | 1574 |
| 1979-02-20 | 04:49 | – | 1 | M0.1 | N17E03 | 1574 |
| 1979-02-20 | 07:43 | – | 0 | C0.4 | N17W02 | 1574 |
| 1979-02-20 | 11:25 | 11:26 | 28 | C0.6 | N17W17 | 1574 |
| 1979-02-20 | 12:30 | 12:32 | 21 | C0.4 | N17W17 | 1574 |
| 1979-02-20 | 16:04 | 16:49 | 70 | M0.2 | N16W10 | 1574 |
| 1979-02-20 | 18:05 | 18:15 | 132 | M0.3 | N20W20 | 1574 |
| 1979-02-20 | 23:33 | 23:38 | 27 | M0.2 | N18W25 | 1574 |
| 1979-02-21 | 14:18 | 14:21 | 38 | X0.1 | N17W28 | 1574 |
| 1979-02-21 | 15:55 | 15:57 | 18 | M0.2 | N17W32 | 1574 |
| 1979-02-21 | 16:27 | 16:34 | 24 | C0.8 | N18W34 | 1574 |
| 1979-02-21 | 19:39 | 19:53 | 109 | M0.4 | N15W31 | 1574 |
| 1979-02-22 | 05:05 | 05:10 | 22 | M0.9 | N17W36 | 1574 |
| 1979-02-22 | 09:15 | 09:17 | 6 | M0.2 | N16W40 | 1574 |
| 1979-02-22 | 11:51 | 11:51 | 30 | M0.1 | N15W40 | 1574 |
| 1979-02-22 | 12:53 | 12:55 | 31 | M0.2 | N15W40 | 1574 |
| 1979-02-22 | 18:08 | 18:10 | 39 | M0.2 | N15W43 | 1574 |
| 1979-02-22 | 18:57 | 18:59 | 26 | M0.5 | N15W43 | 1574 |
| 1979-02-22 | 22:25 | – | 26 | M0.1 | N17W48 | 1574 |
| 1979-02-23 | 08:20 | 08:35 | 26 | C0.6 | N17W55 | 1574 |
| 1979-02-23 | 14:52 | 14:53 | 10 | M0.1 | N17W53 | 1574 |
| 1979-02-23 | 17:25 | 17:35 | 17 | C0.6 | N15W55 | 1574 |
| 1979-02-23 | 18:25 | 18:30 | 112 | C0.5 | N16W55 | 1574 |
| 1979-02-23 | 22:30 | – | 5 | C0.2 | N17W63 | 1574 |
| 1979-02-24 | 15:47 | 15:47 | 11 | M0.1 | N16W60 | 1574 |
| 1979-02-24 | 16:36 | 16:37 | 20 | C0.6 | N16W68 | 1574 |
| 1979-02-24 | 17:24 | 17:26 | 7 | C0.5 | N15W68 | 1574 |
| 1979-02-25 | 14:38 | 14:45 | 15 | C0.3 | N16W78 | 1574 |
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 1574 produced 37 C+ flares between 1979-02-14 and 1979-02-25.