Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 9893
C17
M4
X0
LargestM8.22002-04-10
Span13 days
Flares by day
3
1
3
3
2
2
5
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2002-04-04 | 03:33 | 03:36 | 6 | C2.8 | N18E77 | 9893 |
| 2002-04-04 | 04:23 | 04:41 | 34 | C9.8 | – | 9893 |
| 2002-04-04 | 21:53 | 21:58 | 10 | C2.0 | N18E69 | 9893 |
| 2002-04-05 | 15:13 | 15:21 | 18 | C3.4 | N18E60 | 9893 |
| 2002-04-06 | 06:04 | 06:19 | 21 | C9.5 | S20E85 | 9893 |
| 2002-04-06 | 16:13 | 16:17 | 8 | C1.2 | N18E46 | 9893 |
| 2002-04-06 | 19:45 | 19:55 | 15 | C2.0 | N17E45 | 9893 |
| 2002-04-07 | 04:43 | 04:49 | 16 | C1.7 | N18E41 | 9893 |
| 2002-04-07 | 05:19 | 05:23 | 7 | C2.7 | N18E37 | 9893 |
| 2002-04-07 | 08:14 | 08:24 | 16 | C6.0 | N17E34 | 9893 |
| 2002-04-10 | 12:23 | 12:31 | 17 | M8.2 | N15W14 | 9893 |
| 2002-04-10 | 15:38 | 15:41 | 6 | C4.2 | N19W11 | 9893 |
| 2002-04-11 | 01:44 | 01:53 | 20 | C9.9 | N20W10 | 9893 |
| 2002-04-11 | 22:57 | 23:00 | 9 | C1.6 | N18W28 | 9893 |
| 2002-04-14 | 03:21 | 03:51 | 48 | M1.4 | N22W45 | 9893 |
| 2002-04-14 | 07:28 | 07:39 | 16 | C9.6 | N19W57 | 9893 |
| 2002-04-14 | 21:04 | 21:25 | 39 | C7.3 | N19W62 | 9893 |
| 2002-04-14 | 22:22 | 22:29 | 11 | C7.2 | N18W74 | 9893 |
| 2002-04-14 | 23:34 | 00:14 | 51 | M3.7 | N19W60 | 9893 |
| 2002-04-15 | 02:46 | 02:51 | 9 | C9.8 | N19W79 | 9893 |
| 2002-04-16 | 12:53 | 13:19 | 37 | M2.5 | – | 9893 |
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 9893 produced 21 C+ flares between 2002-04-04 and 2002-04-16.