Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 8765
C22
M8
X0
LargestM3.41999-11-21
Span10 days
Flares by day
2
4
4
6
5
2
1
4
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1999-11-13 | 19:14 | 19:17 | 5 | C2.6 | S13E47 | 8765 |
| 1999-11-13 | 23:38 | 23:42 | 10 | C4.6 | S09E40 | 8765 |
| 1999-11-14 | 03:48 | 03:55 | 15 | C5.0 | S10E43 | 8765 |
| 1999-11-14 | 06:29 | 06:38 | 15 | C4.9 | – | 8765 |
| 1999-11-14 | 15:36 | 15:40 | 6 | C5.0 | – | 8765 |
| 1999-11-14 | 16:20 | 16:23 | 6 | M2.2 | S11E36 | 8765 |
| 1999-11-15 | 08:25 | 08:41 | 30 | M2.9 | S13E29 | 8765 |
| 1999-11-15 | 16:01 | 16:19 | 38 | C4.4 | S09E18 | 8765 |
| 1999-11-15 | 18:45 | 18:56 | 16 | C5.5 | S13E18 | 8765 |
| 1999-11-15 | 23:03 | 23:23 | 42 | C5.8 | S12E18 | 8765 |
| 1999-11-16 | 06:06 | 07:10 | 93 | M2.3 | S14E10 | 8765 |
| 1999-11-16 | 13:47 | 14:11 | 49 | M1.4 | S09E06 | 8765 |
| 1999-11-16 | 15:41 | 16:03 | 32 | C5.3 | S09E05 | 8765 |
| 1999-11-16 | 16:27 | 16:51 | 35 | C6.8 | S09E05 | 8765 |
| 1999-11-16 | 21:18 | 21:24 | 25 | M2.0 | S11E08 | 8765 |
| 1999-11-16 | 23:31 | 23:35 | 7 | C3.8 | S14W04 | 8765 |
| 1999-11-17 | 02:02 | 02:08 | 20 | C3.1 | S09W01 | 8765 |
| 1999-11-17 | 02:36 | 02:41 | 10 | C2.8 | S15W05 | 8765 |
| 1999-11-17 | 05:50 | 06:02 | 29 | C0.3 | S14W01 | 8765 |
| 1999-11-17 | 09:30 | 09:38 | 17 | C7.0 | S15W02 | 8765 |
| 1999-11-17 | 15:57 | 16:02 | 13 | C3.0 | S11W03 | 8765 |
| 1999-11-18 | 17:10 | 17:14 | 7 | C2.7 | S11W14 | 8765 |
| 1999-11-18 | 18:57 | 19:03 | 9 | C8.3 | S11W14 | 8765 |
| 1999-11-19 | 15:01 | 15:05 | 7 | C1.9 | S11W26 | 8765 |
| 1999-11-21 | 00:07 | 00:14 | 11 | M1.3 | S09W53 | 8765 |
| 1999-11-21 | 08:01 | 08:05 | 9 | C4.2 | N15W55 | 8765 |
| 1999-11-21 | 10:03 | 10:17 | 21 | M2.2 | S15W53 | 8765 |
| 1999-11-21 | 18:10 | 18:20 | 15 | M3.4 | S15W56 | 8765 |
| 1999-11-22 | 02:13 | 02:17 | 7 | C3.2 | S09W67 | 8765 |
| 1999-11-22 | 12:10 | 12:17 | 18 | C8.9 | S16W75 | 8765 |
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 8765 produced 30 C+ flares between 1999-11-13 and 1999-11-22.