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Solar flares from active region 3284
C20
M3
X0
LargestM9.01981-08-27
Span15 days
Flares by day
1
1
1
2
1
3
3
3
3
1
1
1
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1981-08-17 | 14:14 | 14:15 | 6 | C7.1 | S05E80 | 3284 |
| 1981-08-18 | 16:15 | 16:17 | 7 | C1.5 | S05E58 | 3284 |
| 1981-08-21 | 06:27 | 06:29 | 18 | C8.5 | S09E37 | 3284 |
| 1981-08-22 | 07:37 | 07:39 | 8 | C2.9 | S05E22 | 3284 |
| 1981-08-22 | 09:03 | 09:07 | 16 | C2.5 | S12E33 | 3284 |
| 1981-08-23 | 21:14 | 21:19 | 61 | C3.8 | S09E07 | 3284 |
| 1981-08-24 | 01:05 | 01:06 | 26 | C1.8 | S10E04 | 3284 |
| 1981-08-24 | 01:37 | 01:55 | 48 | C5.0 | S09E04 | 3284 |
| 1981-08-24 | 17:40 | 17:42 | 12 | C2.2 | S10W07 | 3284 |
| 1981-08-25 | 01:19 | 01:22 | 24 | C1.7 | S11W31 | 3284 |
| 1981-08-25 | 07:20 | 07:27 | 49 | C7.9 | S13W11 | 3284 |
| 1981-08-25 | 14:33 | 14:38 | 18 | C2.1 | S11W33 | 3284 |
| 1981-08-26 | 03:33 | 03:38 | 69 | M1.5 | S10W23 | 3284 |
| 1981-08-26 | 18:07 | 18:08 | 15 | C2.3 | S12W33 | 3284 |
| 1981-08-26 | 20:21 | 20:21 | 12 | C2.4 | S08W31 | 3284 |
| 1981-08-27 | 00:41 | 01:03 | 22 | C6.3 | – | 3284 |
| 1981-08-27 | 03:51 | 04:19 | 179 | M9.0 | N11W40 | 3284 |
| 1981-08-27 | 15:12 | 15:12 | 9 | C3.3 | S10W43 | 3284 |
| 1981-08-28 | 13:51 | 13:51 | 20 | C2.6 | S11W56 | 3284 |
| 1981-08-29 | 06:32 | 06:44 | 43 | C9.6 | S10W64 | 3284 |
| 1981-08-30 | 00:56 | 01:25 | 29 | M1.0 | S09W72 | 3284 |
| 1981-08-31 | 01:04 | 01:09 | 55 | C8.8 | S10W85 | 3284 |
| 1981-08-31 | 02:06 | 02:21 | 38 | C3.9 | S10W85 | 3284 |
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 3284 produced 23 C+ flares between 1981-08-17 and 1981-08-31.