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Solar flares from active region 5451
C18
M3
X0
LargestM1.51989-04-13
Span12 days
Flares by day
4
2
1
2
5
2
4
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1989-04-13 | 17:41 | 17:51 | 15 | C4.5 | N10E69 | 5451 |
| 1989-04-13 | 18:25 | 18:26 | 20 | C3.7 | N10E69 | 5451 |
| 1989-04-13 | 20:53 | 20:59 | 28 | C4.7 | N09E66 | 5451 |
| 1989-04-13 | 21:33 | 21:35 | 18 | M1.5 | N12E67 | 5451 |
| 1989-04-16 | 03:53 | 03:56 | 10 | C2.9 | N10E43 | 5451 |
| 1989-04-16 | 09:42 | 09:43 | 6 | C5.7 | N12E38 | 5451 |
| 1989-04-17 | 03:30 | 03:31 | 8 | C3.0 | N11E28 | 5451 |
| 1989-04-19 | 17:31 | 17:34 | 18 | C1.7 | N10W09 | 5451 |
| 1989-04-19 | 20:52 | 20:56 | 24 | C2.7 | N10W10 | 5451 |
| 1989-04-20 | 02:20 | 02:21 | 11 | C1.9 | N11W17 | 5451 |
| 1989-04-20 | 05:21 | 05:26 | 34 | M1.4 | N13W21 | 5451 |
| 1989-04-20 | 08:02 | 08:04 | 11 | C2.1 | N10W17 | 5451 |
| 1989-04-20 | 14:03 | 14:12 | 35 | C4.4 | N09W23 | 5451 |
| 1989-04-20 | 18:16 | 18:17 | 9 | C1.3 | N10W21 | 5451 |
| 1989-04-21 | 22:10 | 22:17 | 12 | C2.0 | N13W34 | 5451 |
| 1989-04-21 | 23:53 | 23:53 | 27 | C4.2 | N11W39 | 5451 |
| 1989-04-22 | 03:32 | 03:34 | 14 | M1.2 | N13W37 | 5451 |
| 1989-04-22 | 05:45 | 05:46 | 22 | C6.0 | N12W40 | 5451 |
| 1989-04-22 | 08:24 | 08:26 | 17 | C8.6 | N12W41 | 5451 |
| 1989-04-22 | 12:56 | 12:56 | 21 | C9.4 | N11W44 | 5451 |
| 1989-04-24 | 06:22 | 06:24 | 13 | C7.7 | N09W68 | 5451 |
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 5451 produced 21 C+ flares between 1989-04-13 and 1989-04-24.