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Solar flares from active region 6805
C16
M9
X1
LargestX2.11991-08-25
Span13 days
Flares by day
5
2
2
1
1
3
1
5
5
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1991-08-25 | 00:31 | 00:49 | 272 | X2.1 | N24E77 | 6805 |
| 1991-08-25 | 05:04 | 05:49 | 76 | M1.8 | N24E75 | 6805 |
| 1991-08-25 | 09:18 | 09:34 | 33 | M1.3 | N24E70 | 6805 |
| 1991-08-25 | 14:08 | 14:29 | 68 | C8.8 | N23E68 | 6805 |
| 1991-08-25 | 23:20 | 23:33 | 89 | M2.4 | N25E67 | 6805 |
| 1991-08-26 | 05:42 | 06:03 | 32 | M1.6 | N24E59 | 6805 |
| 1991-08-26 | 21:17 | 21:18 | 14 | C3.2 | N24E49 | 6805 |
| 1991-08-27 | 04:21 | 04:58 | 59 | C4.9 | N22E54 | 6805 |
| 1991-08-27 | 19:09 | 19:12 | 25 | C8.3 | N25E47 | 6805 |
| 1991-08-28 | 19:48 | 19:49 | 24 | C6.7 | N25E38 | 6805 |
| 1991-08-29 | 12:00 | 12:11 | 28 | C2.1 | N24E27 | 6805 |
| 1991-09-02 | 08:03 | 08:05 | 23 | C1.9 | N26W29 | 6805 |
| 1991-09-02 | 12:54 | 12:54 | 15 | C2.6 | N25W34 | 6805 |
| 1991-09-02 | 18:12 | 18:32 | 38 | C2.0 | N24W40 | 6805 |
| 1991-09-03 | 15:21 | 15:21 | 15 | C3.3 | N24W46 | 6805 |
| 1991-09-04 | 11:16 | 11:17 | 24 | C5.1 | N24W57 | 6805 |
| 1991-09-04 | 13:49 | 13:49 | 12 | C1.7 | N25W57 | 6805 |
| 1991-09-04 | 14:15 | 14:31 | 50 | C9.5 | N25W59 | 6805 |
| 1991-09-04 | 18:20 | 18:42 | 81 | M1.3 | N23W62 | 6805 |
| 1991-09-04 | 20:23 | 20:43 | 20 | M1.5 | N24W63 | 6805 |
| 1991-09-05 | 01:04 | 01:11 | 30 | M4.4 | N24W65 | 6805 |
| 1991-09-05 | 05:24 | 05:26 | 21 | M2.3 | N24W72 | 6805 |
| 1991-09-05 | 11:27 | 11:31 | 8 | C2.0 | N22W68 | 6805 |
| 1991-09-05 | 12:01 | 12:03 | 39 | M1.6 | N22W75 | 6805 |
| 1991-09-05 | 17:53 | 17:53 | 5 | C2.6 | N23W72 | 6805 |
| 1991-09-06 | 22:19 | 22:21 | 20 | C4.7 | N24W87 | 6805 |
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 6805 produced 26 C+ flares between 1991-08-25 and 1991-09-06.