Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 4492
C44
M11
X3
LargestX10.11984-05-20
Span14 days
Flares by day
5
4
11
5
7
6
4
5
8
1
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1984-05-18 | 01:58 | 02:12 | 26 | C9.1 | – | 4492 |
| 1984-05-18 | 02:24 | 02:28 | 23 | M1.7 | – | 4492 |
| 1984-05-18 | 14:02 | 14:19 | 33 | C9.9 | – | 4492 |
| 1984-05-18 | 18:56 | 19:03 | 14 | C2.9 | – | 4492 |
| 1984-05-18 | 19:19 | 19:27 | 21 | C4.2 | – | 4492 |
| 1984-05-19 | 10:31 | 10:38 | 10 | C5.1 | – | 4492 |
| 1984-05-19 | 19:10 | 19:54 | 71 | C2.5 | S12E84 | 4492 |
| 1984-05-19 | 20:30 | 20:38 | 34 | C6.3 | S10E68 | 4492 |
| 1984-05-19 | 21:51 | 22:00 | 9 | X4.1 | S07E67 | 4492 |
| 1984-05-20 | 01:26 | 01:27 | 37 | M2.9 | S10E65 | 4492 |
| 1984-05-20 | 02:46 | 03:03 | 40 | M4.6 | S08E64 | 4492 |
| 1984-05-20 | 04:02 | 04:08 | 16 | M1.0 | – | 4492 |
| 1984-05-20 | 05:29 | 05:43 | 32 | M5.4 | – | 4492 |
| 1984-05-20 | 06:16 | 06:20 | 9 | M1.2 | – | 4492 |
| 1984-05-20 | 15:14 | 15:15 | 4 | C7.6 | S12E58 | 4492 |
| 1984-05-20 | 17:46 | 18:04 | 20 | C1.9 | S08E57 | 4492 |
| 1984-05-20 | 19:29 | 19:29 | 8 | C4.9 | S12E56 | 4492 |
| 1984-05-20 | 20:19 | 20:19 | 5 | C2.4 | S11E58 | 4492 |
| 1984-05-20 | 21:50 | 21:54 | 14 | C5.7 | S09E47 | 4492 |
| 1984-05-20 | 22:18 | 22:41 | 139 | X10.1 | S09E52 | 4492 |
| 1984-05-21 | 11:46 | 11:48 | 8 | C2.8 | S13E32 | 4492 |
| 1984-05-21 | 13:28 | 13:31 | 27 | C2.5 | S10E45 | 4492 |
| 1984-05-21 | 14:01 | 14:04 | 23 | C9.3 | S08E44 | 4492 |
| 1984-05-21 | 16:10 | 16:21 | 28 | C8.5 | S07E42 | 4492 |
| 1984-05-21 | 19:36 | 20:27 | 115 | X2.7 | S06E40 | 4492 |
| 1984-05-22 | 02:51 | 02:54 | 39 | C5.9 | S11E38 | 4492 |
| 1984-05-22 | 04:40 | 04:40 | 6 | C3.1 | S08E37 | 4492 |
| 1984-05-22 | 05:27 | 06:35 | 96 | C2.0 | S09E31 | 4492 |
| 1984-05-22 | 06:26 | 06:38 | 23 | M1.4 | – | 4492 |
| 1984-05-22 | 08:02 | 08:06 | 17 | C1.9 | S08E35 | 4492 |
| 1984-05-22 | 09:28 | 09:29 | 12 | C2.4 | S09E34 | 4492 |
| 1984-05-22 | 14:53 | 15:01 | 83 | M6.3 | S09E24 | 4492 |
| 1984-05-23 | 02:57 | 02:57 | 10 | C1.2 | S07E25 | 4492 |
| 1984-05-23 | 04:54 | 05:12 | 37 | M1.8 | S08E24 | 4492 |
| 1984-05-23 | 12:17 | 12:26 | 23 | C2.2 | S12E12 | 4492 |
| 1984-05-23 | 16:01 | 16:43 | 62 | C1.7 | S10E09 | 4492 |
| 1984-05-23 | 23:25 | 23:48 | 35 | C1.3 | S11W00 | 4492 |
| 1984-05-23 | 23:43 | 23:52 | 17 | C5.9 | – | 4492 |
| 1984-05-24 | 01:53 | 01:57 | 14 | C1.1 | – | 4492 |
| 1984-05-24 | 09:56 | 09:57 | 18 | C7.7 | S07E10 | 4492 |
| 1984-05-24 | 12:47 | 12:48 | 52 | C1.9 | S11W01 | 4492 |
| 1984-05-24 | 14:48 | 14:51 | 28 | C2.1 | S08E05 | 4492 |
| 1984-05-25 | 04:22 | 04:27 | 14 | C2.5 | S08W03 | 4492 |
| 1984-05-25 | 08:41 | 08:46 | 47 | M1.7 | S07W07 | 4492 |
| 1984-05-25 | 14:53 | 15:00 | 53 | C3.2 | S12W20 | 4492 |
| 1984-05-25 | 16:38 | 17:10 | 102 | C1.9 | S10W17 | 4492 |
| 1984-05-25 | 21:25 | 21:34 | 50 | C5.4 | S11W24 | 4492 |
| 1984-05-26 | 02:43 | 02:43 | 9 | C1.2 | S08W19 | 4492 |
| 1984-05-26 | 06:06 | – | 15 | C6.4 | S08W21 | 4492 |
| 1984-05-26 | 07:27 | 07:29 | 24 | C1.0 | S10W29 | 4492 |
| 1984-05-26 | 11:37 | 11:38 | 25 | C1.0 | S11W30 | 4492 |
| 1984-05-26 | 12:14 | 12:29 | 38 | C2.5 | S12W32 | 4492 |
| 1984-05-26 | 13:15 | 13:20 | 87 | C5.0 | S13W31 | 4492 |
| 1984-05-26 | 19:06 | 19:11 | 23 | C2.0 | S08W23 | 4492 |
| 1984-05-26 | 19:21 | 19:24 | 5 | C2.0 | – | 4492 |
| 1984-05-27 | 19:58 | 20:26 | 28 | C1.1 | – | 4492 |
| 1984-05-29 | 00:34 | 00:38 | 41 | C1.1 | S13W60 | 4492 |
| 1984-05-31 | 11:29 | 11:42 | 27 | M1.7 | – | 4492 |
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 4492 produced 58 C+ flares between 1984-05-18 and 1984-05-31.