Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 8100
C24
M4
X2
LargestX9.41997-11-06
Span10 days
Flares by day
2
2
13
8
2
3
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1997-10-28 | 03:25 | 03:38 | 16 | C2.8 | S28E68 | 8100 |
| 1997-10-28 | 12:51 | 12:56 | 9 | C5.9 | S22E61 | 8100 |
| 1997-11-02 | 02:58 | 03:04 | 9 | C2.3 | S20E01 | 8100 |
| 1997-11-02 | 20:41 | 20:49 | 17 | C2.2 | S18W11 | 8100 |
| 1997-11-03 | 01:45 | 01:50 | 17 | C1.0 | S20W11 | 8100 |
| 1997-11-03 | 04:32 | 04:38 | 17 | C8.6 | S20W13 | 8100 |
| 1997-11-03 | 08:13 | 08:20 | 18 | C4.6 | S20W15 | 8100 |
| 1997-11-03 | 09:03 | 09:10 | 10 | M1.4 | S20W15 | 8100 |
| 1997-11-03 | 12:19 | 12:24 | 19 | C1.6 | S18W20 | 8100 |
| 1997-11-03 | 13:44 | 13:50 | 15 | C1.9 | S18W22 | 8100 |
| 1997-11-03 | 17:00 | 17:20 | 24 | C1.9 | S17W28 | 8100 |
| 1997-11-03 | 18:08 | 18:12 | 25 | C4.3 | S19W20 | 8100 |
| 1997-11-03 | 19:03 | 19:07 | 7 | C3.9 | S20W21 | 8100 |
| 1997-11-03 | 19:55 | 20:16 | 41 | M1.0 | S19W20 | 8100 |
| 1997-11-03 | 21:20 | 21:25 | 22 | C3.9 | S19W22 | 8100 |
| 1997-11-03 | 22:16 | 22:24 | 16 | C8.6 | S19W23 | 8100 |
| 1997-11-03 | 23:33 | 23:40 | 11 | C3.2 | S20W23 | 8100 |
| 1997-11-04 | 01:13 | 01:16 | 7 | C3.7 | S20W24 | 8100 |
| 1997-11-04 | 01:27 | 01:35 | 13 | M1.3 | S20W24 | 8100 |
| 1997-11-04 | 02:32 | 02:42 | 31 | M4.1 | S20W25 | 8100 |
| 1997-11-04 | 05:52 | 05:58 | 10 | X2.1 | S14W33 | 8100 |
| 1997-11-04 | 07:14 | 07:17 | 6 | C3.0 | S20W27 | 8100 |
| 1997-11-04 | 08:03 | 08:21 | 21 | C3.4 | S20W28 | 8100 |
| 1997-11-04 | 17:23 | 17:38 | 34 | C2.5 | S19W32 | 8100 |
| 1997-11-04 | 21:06 | 21:17 | 20 | C5.9 | S18W38 | 8100 |
| 1997-11-05 | 06:17 | 06:41 | 39 | C7.0 | S13W49 | 8100 |
| 1997-11-05 | 16:28 | 16:32 | 24 | C1.4 | S19W46 | 8100 |
| 1997-11-06 | 03:12 | 03:18 | 29 | C1.9 | S15W56 | 8100 |
| 1997-11-06 | 11:31 | 11:36 | 13 | C4.7 | – | 8100 |
| 1997-11-06 | 11:49 | 11:55 | 12 | X9.4 | S18W63 | 8100 |
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 8100 produced 30 C+ flares between 1997-10-28 and 1997-11-06.