Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 4263
C46
M8
X0
LargestM8.51983-08-01
Span16 days
Flares by day
2
5
3
3
5
6
5
5
3
2
6
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1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1983-07-26 | 11:40 | 12:08 | 50 | C8.3 | – | 4263 |
| 1983-07-26 | 16:36 | 17:15 | 84 | C5.8 | – | 4263 |
| 1983-07-27 | 19:18 | 20:06 | 58 | C1.7 | S10E84 | 4263 |
| 1983-07-27 | 22:04 | 22:13 | 27 | C2.0 | S08E89 | 4263 |
| 1983-07-27 | 22:51 | 22:59 | 24 | C1.7 | S10E80 | 4263 |
| 1983-07-27 | 23:07 | 23:08 | 10 | C1.8 | S05E86 | 4263 |
| 1983-07-27 | 23:28 | 23:55 | 54 | M1.3 | – | 4263 |
| 1983-07-28 | 05:06 | 05:32 | 64 | C5.9 | – | 4263 |
| 1983-07-28 | 11:29 | 12:02 | 139 | C2.5 | S10E75 | 4263 |
| 1983-07-28 | 18:54 | 19:02 | 35 | C3.6 | – | 4263 |
| 1983-07-30 | 18:20 | 18:28 | 20 | C3.4 | S06E41 | 4263 |
| 1983-07-30 | 18:43 | 19:14 | 34 | C2.0 | S06E39 | 4263 |
| 1983-07-30 | 22:30 | 22:33 | 6 | C2.2 | – | 4263 |
| 1983-07-31 | 01:51 | 02:16 | 63 | C8.3 | S08E42 | 4263 |
| 1983-07-31 | 06:24 | 06:27 | 12 | C1.8 | S09E32 | 4263 |
| 1983-07-31 | 08:29 | 09:09 | 60 | C7.6 | S10E29 | 4263 |
| 1983-07-31 | 19:08 | 19:09 | 17 | C2.0 | S08E21 | 4263 |
| 1983-07-31 | 21:51 | 21:56 | 23 | C4.7 | S08E29 | 4263 |
| 1983-08-01 | 02:02 | 02:34 | 49 | C1.3 | S06E18 | 4263 |
| 1983-08-01 | 02:56 | 03:29 | 131 | M8.5 | S08E34 | 4263 |
| 1983-08-01 | 08:58 | 09:04 | 8 | C1.4 | – | 4263 |
| 1983-08-01 | 12:24 | 12:30 | 25 | C4.2 | S07E15 | 4263 |
| 1983-08-01 | 19:37 | 19:55 | 45 | C1.0 | S16E25 | 4263 |
| 1983-08-01 | 23:39 | 23:43 | 20 | C2.4 | S06E06 | 4263 |
| 1983-08-02 | 17:02 | 17:04 | 16 | C1.9 | S06W03 | 4263 |
| 1983-08-02 | 18:32 | 18:32 | 9 | C1.1 | S07W04 | 4263 |
| 1983-08-02 | 18:54 | 19:00 | 14 | C2.7 | S06W05 | 4263 |
| 1983-08-02 | 23:47 | 23:47 | 16 | M1.2 | S06W08 | 4263 |
| 1983-08-02 | 23:58 | 00:03 | 15 | M1.2 | – | 4263 |
| 1983-08-03 | 06:50 | 06:54 | 14 | C1.8 | S07W10 | 4263 |
| 1983-08-03 | 14:15 | 14:24 | 13 | C3.1 | S05W16 | 4263 |
| 1983-08-03 | 14:40 | 15:15 | 73 | M2.4 | – | 4263 |
| 1983-08-03 | 21:27 | 21:31 | 24 | C4.0 | S06W20 | 4263 |
| 1983-08-03 | 22:07 | 22:08 | 5 | C1.0 | S05W14 | 4263 |
| 1983-08-04 | 02:24 | 02:31 | 18 | C1.1 | S12W07 | 4263 |
| 1983-08-04 | 03:32 | 03:42 | 36 | M3.5 | S07W24 | 4263 |
| 1983-08-04 | 22:44 | 22:47 | 14 | C1.9 | S06W33 | 4263 |
| 1983-08-05 | 03:37 | 03:38 | 15 | C1.7 | S09W33 | 4263 |
| 1983-08-05 | 12:44 | 12:53 | 101 | M1.0 | S10W24 | 4263 |
| 1983-08-06 | 01:21 | 01:25 | 32 | C1.3 | S10W37 | 4263 |
| 1983-08-06 | 08:39 | 08:43 | 10 | C1.3 | S08W49 | 4263 |
| 1983-08-06 | 09:08 | 09:09 | 25 | C1.9 | S14W37 | 4263 |
| 1983-08-06 | 14:09 | 15:12 | 79 | C1.2 | S10W39 | 4263 |
| 1983-08-06 | 15:28 | 16:03 | 35 | C2.6 | – | 4263 |
| 1983-08-06 | 19:06 | 19:09 | 7 | C1.7 | – | 4263 |
| 1983-08-07 | 03:51 | 03:56 | 13 | C4.8 | S07W61 | 4263 |
| 1983-08-07 | 04:10 | 04:16 | 13 | C1.5 | S07W61 | 4263 |
| 1983-08-07 | 04:24 | 04:26 | 8 | C1.6 | S10W53 | 4263 |
| 1983-08-07 | 14:42 | 14:49 | 21 | C1.8 | S08W68 | 4263 |
| 1983-08-07 | 21:53 | 22:01 | 8 | M1.8 | S09W58 | 4263 |
| 1983-08-08 | 07:20 | 07:20 | 4 | C4.2 | S12W61 | 4263 |
| 1983-08-08 | 11:20 | 11:21 | 11 | C1.9 | S08W80 | 4263 |
| 1983-08-08 | 13:07 | 13:11 | 23 | C1.9 | S13W65 | 4263 |
| 1983-08-10 | 03:05 | 00:00 | 25 | C2.5 | S12W87 | 4263 |
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 4263 produced 54 C+ flares between 1983-07-26 and 1983-08-10.