Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 5983
C15
M3
X0
LargestM1.51990-03-24
Span12 days
Flares by day
2
1
3
1
5
2
2
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1990-03-18 | 15:44 | 15:49 | 14 | C2.9 | S31E73 | 5983 |
| 1990-03-18 | 20:17 | 20:19 | 12 | C2.7 | S34E71 | 5983 |
| 1990-03-19 | 13:12 | 13:16 | 25 | M1.3 | S34E66 | 5983 |
| 1990-03-20 | 06:16 | 06:16 | 9 | C3.5 | S35E60 | 5983 |
| 1990-03-20 | 09:25 | 09:25 | 7 | C1.8 | S34E58 | 5983 |
| 1990-03-20 | 15:14 | 15:21 | 80 | M1.2 | S36E53 | 5983 |
| 1990-03-21 | 18:59 | 18:59 | 6 | C3.4 | S32E36 | 5983 |
| 1990-03-22 | 03:23 | 03:23 | 10 | C4.4 | S33E36 | 5983 |
| 1990-03-22 | 04:05 | 04:20 | 25 | C7.5 | S35E28 | 5983 |
| 1990-03-22 | 08:39 | 08:43 | 27 | C5.1 | S32E28 | 5983 |
| 1990-03-22 | 10:23 | 10:26 | 28 | C9.6 | S33E27 | 5983 |
| 1990-03-22 | 22:01 | 22:02 | 7 | C3.4 | S34E17 | 5983 |
| 1990-03-23 | 03:15 | 03:16 | 11 | C4.0 | S34E15 | 5983 |
| 1990-03-23 | 18:36 | 18:38 | 10 | C2.4 | S35E07 | 5983 |
| 1990-03-24 | 02:54 | 02:55 | 15 | M1.5 | S35E01 | 5983 |
| 1990-03-24 | 22:20 | 22:20 | 22 | C2.5 | S35W03 | 5983 |
| 1990-03-27 | 01:45 | 01:45 | 10 | C2.5 | S31W33 | 5983 |
| 1990-03-29 | 08:30 | 08:32 | 13 | C3.8 | S33W61 | 5983 |
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 5983 produced 18 C+ flares between 1990-03-18 and 1990-03-29.