Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 6919
C26
M7
X1
LargestX1.51991-11-15
Span13 days
Flares by day
3
5
5
1
2
2
2
3
2
3
4
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1991-11-09 | 01:07 | 01:07 | 4 | C1.8 | S10E75 | 6919 |
| 1991-11-09 | 12:30 | 12:46 | 26 | C1.6 | S11E68 | 6919 |
| 1991-11-09 | 18:05 | 18:11 | 33 | C2.8 | S13E63 | 6919 |
| 1991-11-10 | 01:14 | 01:38 | 50 | M6.9 | S11E58 | 6919 |
| 1991-11-10 | 06:44 | 06:52 | 47 | M2.2 | S14E53 | 6919 |
| 1991-11-10 | 09:11 | 09:14 | 16 | C2.3 | S13E51 | 6919 |
| 1991-11-10 | 18:05 | 18:09 | 37 | C2.7 | S15E52 | 6919 |
| 1991-11-10 | 20:16 | 20:16 | 27 | M7.9 | S15E43 | 6919 |
| 1991-11-11 | 02:08 | 02:08 | 26 | C2.6 | S12E52 | 6919 |
| 1991-11-11 | 12:43 | 12:45 | 4 | C1.8 | S12E40 | 6919 |
| 1991-11-11 | 13:50 | 14:00 | 20 | C2.3 | S10E49 | 6919 |
| 1991-11-11 | 16:36 | 16:39 | 24 | C5.9 | S14E36 | 6919 |
| 1991-11-11 | 19:42 | 20:04 | 70 | M1.1 | S11E42 | 6919 |
| 1991-11-12 | 05:21 | 05:29 | 25 | C3.5 | S14E30 | 6919 |
| 1991-11-13 | 07:49 | 07:59 | 51 | C1.3 | S14E18 | 6919 |
| 1991-11-13 | 22:50 | 22:58 | 39 | C3.1 | S16E13 | 6919 |
| 1991-11-14 | 03:21 | 03:25 | 10 | C1.2 | S12E11 | 6919 |
| 1991-11-14 | 08:41 | 08:44 | 22 | C2.3 | S15E08 | 6919 |
| 1991-11-15 | 06:51 | 06:55 | 34 | C1.9 | S14W04 | 6919 |
| 1991-11-15 | 22:34 | 22:38 | 43 | X1.5 | S13W19 | 6919 |
| 1991-11-16 | 04:34 | 05:01 | 75 | C5.7 | S13W18 | 6919 |
| 1991-11-16 | 16:01 | 16:05 | 52 | C1.8 | S12W28 | 6919 |
| 1991-11-16 | 19:40 | 19:44 | 27 | C5.3 | S13W29 | 6919 |
| 1991-11-17 | 01:54 | 01:58 | 45 | M1.5 | S13W33 | 6919 |
| 1991-11-17 | 22:19 | 22:24 | 17 | C1.3 | S13W46 | 6919 |
| 1991-11-18 | 02:02 | 02:04 | 11 | C1.5 | S13W43 | 6919 |
| 1991-11-18 | 10:41 | 10:55 | 48 | M1.1 | S15W50 | 6919 |
| 1991-11-18 | 17:08 | 17:08 | 3 | C2.1 | S09W61 | 6919 |
| 1991-11-19 | 03:28 | 03:34 | 69 | C2.3 | S12W55 | 6919 |
| 1991-11-19 | 09:27 | 09:29 | 14 | C8.5 | S12W60 | 6919 |
| 1991-11-19 | 17:06 | 17:24 | 40 | C1.7 | S14W67 | 6919 |
| 1991-11-19 | 19:20 | 19:24 | 11 | C5.2 | S15W69 | 6919 |
| 1991-11-20 | 19:19 | 19:22 | 18 | C6.5 | S14W77 | 6919 |
| 1991-11-21 | 18:48 | 19:03 | 33 | M1.5 | – | 6919 |
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 6919 produced 34 C+ flares between 1991-11-09 and 1991-11-21.