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Solar flares from active region 5278
C15
M6
X2
LargestX4.71988-12-16
Span13 days
Flares by day
1
4
2
2
3
3
1
1
1
4
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1988-12-13 | 01:30 | 01:37 | 45 | M2.0 | N25E74 | 5278 |
| 1988-12-14 | 13:37 | 13:37 | 17 | M2.1 | N30E63 | 5278 |
| 1988-12-14 | 17:29 | 17:43 | 52 | M1.3 | N27E62 | 5278 |
| 1988-12-14 | 19:43 | 19:47 | 17 | C8.6 | N27E55 | 5278 |
| 1988-12-14 | 23:25 | 23:25 | 8 | C2.6 | N28E56 | 5278 |
| 1988-12-15 | 00:47 | 00:50 | 43 | C6.3 | N26E58 | 5278 |
| 1988-12-15 | 04:46 | 05:05 | 83 | X1.1 | N27E59 | 5278 |
| 1988-12-16 | 08:38 | 08:41 | 12 | X4.7 | N26E37 | 5278 |
| 1988-12-16 | 22:46 | 22:51 | 19 | C9.3 | N29E31 | 5278 |
| 1988-12-17 | 04:58 | 05:00 | 55 | M3.2 | N28E30 | 5278 |
| 1988-12-17 | 05:40 | 05:43 | 20 | M2.7 | N27E31 | 5278 |
| 1988-12-17 | 16:30 | 16:32 | 2 | C5.1 | N28E22 | 5278 |
| 1988-12-18 | 04:56 | 04:56 | 6 | C3.9 | N23E12 | 5278 |
| 1988-12-18 | 09:13 | 09:15 | 33 | M1.0 | N22E07 | 5278 |
| 1988-12-18 | 11:12 | 11:13 | 11 | C6.3 | N24E07 | 5278 |
| 1988-12-19 | 20:32 | 20:34 | 15 | C3.7 | N29W05 | 5278 |
| 1988-12-20 | 00:43 | 01:02 | 33 | C5.8 | N24W10 | 5278 |
| 1988-12-21 | 06:12 | 06:13 | 11 | C5.2 | N27W27 | 5278 |
| 1988-12-22 | 09:41 | 09:41 | 10 | C3.0 | N26W43 | 5278 |
| 1988-12-22 | 10:52 | 11:09 | 53 | C9.4 | N28W42 | 5278 |
| 1988-12-22 | 11:01 | 11:08 | 25 | C9.4 | – | 5278 |
| 1988-12-22 | 21:53 | 21:54 | 11 | C3.4 | N25W45 | 5278 |
| 1988-12-25 | 19:04 | 19:05 | 17 | C6.3 | N27W87 | 5278 |
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 5278 produced 23 C+ flares between 1988-12-13 and 1988-12-25.