Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 10720
C66
M17
X5
LargestX7.12005-01-20
Span10 days
Flares by day
26
18
7
4
9
6
6
7
3
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2005-01-14 | 00:08 | 00:14 | 9 | C1.0 | N16E22 | 10720 |
| 2005-01-14 | 02:36 | 02:43 | 18 | C1.4 | S06E09 | 10720 |
| 2005-01-14 | 05:45 | 05:49 | 7 | C1.0 | N15E18 | 10720 |
| 2005-01-14 | 07:23 | 07:38 | 20 | C6.8 | N14E18 | 10720 |
| 2005-01-14 | 08:21 | 08:37 | 23 | C1.4 | N14E17 | 10720 |
| 2005-01-14 | 08:54 | 08:58 | 7 | C1.8 | N13E18 | 10720 |
| 2005-01-14 | 09:12 | 09:17 | 11 | C1.9 | N14E17 | 10720 |
| 2005-01-14 | 09:51 | 09:55 | 7 | C1.0 | N13E19 | 10720 |
| 2005-01-14 | 10:08 | 10:20 | 18 | C8.9 | S06E05 | 10720 |
| 2005-01-14 | 12:02 | 12:05 | 6 | C2.1 | N14E16 | 10720 |
| 2005-01-14 | 13:38 | 13:42 | 8 | C2.4 | N14E14 | 10720 |
| 2005-01-14 | 13:53 | 14:11 | 52 | M1.8 | N14E14 | 10720 |
| 2005-01-14 | 15:24 | 15:51 | 32 | C8.0 | N14E12 | 10720 |
| 2005-01-14 | 16:55 | 16:58 | 8 | C2.5 | N14E12 | 10720 |
| 2005-01-14 | 17:35 | 17:42 | 15 | C2.8 | N14E12 | 10720 |
| 2005-01-14 | 17:53 | 17:57 | 10 | M1.5 | N14E12 | 10720 |
| 2005-01-14 | 18:21 | 18:29 | 12 | C6.8 | N14E11 | 10720 |
| 2005-01-14 | 18:36 | 18:41 | 9 | C7.7 | N14E11 | 10720 |
| 2005-01-14 | 19:07 | 19:11 | 10 | C3.3 | N14E11 | 10720 |
| 2005-01-14 | 19:32 | 19:36 | 11 | C1.4 | N14E11 | 10720 |
| 2005-01-14 | 20:26 | 20:30 | 9 | C1.2 | N14E10 | 10720 |
| 2005-01-14 | 21:08 | 21:26 | 31 | M1.9 | N14E10 | 10720 |
| 2005-01-14 | 21:59 | 22:03 | 8 | C9.6 | N14E09 | 10720 |
| 2005-01-14 | 22:23 | 22:26 | 5 | C3.0 | N14E09 | 10720 |
| 2005-01-14 | 22:50 | 22:55 | 7 | C6.0 | N14E09 | 10720 |
| 2005-01-14 | 23:23 | 23:33 | 21 | C5.6 | N14E07 | 10720 |
| 2005-01-15 | 00:22 | 00:43 | 40 | X1.2 | N14E08 | 10720 |
| 2005-01-15 | 02:34 | 02:39 | 10 | C2.9 | N15E06 | 10720 |
| 2005-01-15 | 03:16 | 03:40 | 41 | C4.2 | S06W06 | 10720 |
| 2005-01-15 | 04:09 | 04:16 | 13 | M1.3 | N14E06 | 10720 |
| 2005-01-15 | 04:26 | 04:31 | 10 | M8.4 | N14E06 | 10720 |
| 2005-01-15 | 05:54 | 06:38 | 83 | M8.6 | N16E04 | 10720 |
| 2005-01-15 | 11:41 | 11:48 | 9 | M1.2 | N14E02 | 10720 |
| 2005-01-15 | 12:27 | 12:31 | 7 | C7.4 | N14E01 | 10720 |
| 2005-01-15 | 13:52 | 13:57 | 7 | C5.5 | N14W00 | 10720 |
| 2005-01-15 | 16:50 | 16:57 | 12 | C8.0 | N14W02 | 10720 |
| 2005-01-15 | 17:03 | 17:07 | 6 | C7.2 | N14W02 | 10720 |
| 2005-01-15 | 17:49 | 18:16 | 35 | C4.2 | N14W02 | 10720 |
| 2005-01-15 | 17:57 | 18:02 | 8 | C2.9 | – | 10720 |
| 2005-01-15 | 18:42 | 18:53 | 19 | C8.8 | N14W03 | 10720 |
| 2005-01-15 | 19:44 | 19:49 | 10 | C3.5 | N14W03 | 10720 |
| 2005-01-15 | 20:08 | 20:22 | 19 | C5.4 | N15W04 | 10720 |
| 2005-01-15 | 22:01 | 22:08 | 15 | M1.0 | N14W07 | 10720 |
| 2005-01-15 | 22:25 | 23:02 | 66 | X2.6 | N15W05 | 10720 |
| 2005-01-16 | 07:54 | 07:58 | 8 | C4.4 | N17W09 | 10720 |
| 2005-01-16 | 10:05 | 10:09 | 8 | C4.0 | N16W11 | 10720 |
| 2005-01-16 | 14:37 | 14:40 | 5 | C2.9 | N15W14 | 10720 |
| 2005-01-16 | 15:06 | 15:18 | 26 | C5.9 | N15W14 | 10720 |
| 2005-01-16 | 17:58 | 18:07 | 18 | C2.0 | N15W16 | 10720 |
| 2005-01-16 | 18:25 | 18:29 | 11 | C3.7 | N14W16 | 10720 |
| 2005-01-16 | 21:55 | 22:03 | 27 | M2.4 | N15W19 | 10720 |
| 2005-01-17 | 02:44 | 02:59 | 23 | C3.9 | N15W20 | 10720 |
| 2005-01-17 | 03:10 | 03:21 | 22 | M2.6 | N15W21 | 10720 |
| 2005-01-17 | 06:06 | 06:10 | 9 | C3.9 | N15W21 | 10720 |
| 2005-01-17 | 06:59 | 09:52 | 188 | X3.8 | N15W25 | 10720 |
| 2005-01-18 | 00:37 | 00:44 | 14 | C6.0 | N15W32 | 10720 |
| 2005-01-18 | 02:06 | 02:12 | 11 | C3.2 | N17W32 | 10720 |
| 2005-01-18 | 05:41 | 05:46 | 8 | C2.0 | N16W37 | 10720 |
| 2005-01-18 | 05:52 | 06:15 | 32 | C6.1 | N15W36 | 10720 |
| 2005-01-18 | 07:47 | 08:00 | 31 | C2.4 | N16W38 | 10720 |
| 2005-01-18 | 11:23 | 11:32 | 36 | M1.6 | N16W40 | 10720 |
| 2005-01-18 | 15:38 | 15:51 | 21 | M4.6 | N15W42 | 10720 |
| 2005-01-18 | 18:43 | 18:48 | 9 | C2.1 | N16W45 | 10720 |
| 2005-01-18 | 18:56 | 19:01 | 13 | C4.2 | N18W39 | 10720 |
| 2005-01-19 | 03:10 | 03:24 | 27 | C1.8 | N16W49 | 10720 |
| 2005-01-19 | 05:10 | 05:26 | 25 | C7.2 | N16W52 | 10720 |
| 2005-01-19 | 06:58 | 07:31 | 57 | M6.7 | N16W53 | 10720 |
| 2005-01-19 | 08:03 | 08:22 | 37 | X1.3 | N15W51 | 10720 |
| 2005-01-19 | 10:19 | 10:24 | 10 | M2.7 | N17W52 | 10720 |
| 2005-01-19 | 15:32 | 15:40 | 16 | M1.6 | N16W59 | 10720 |
| 2005-01-20 | 00:37 | 00:47 | 19 | C1.6 | N15W64 | 10720 |
| 2005-01-20 | 03:21 | 03:30 | 15 | C4.8 | N19W58 | 10720 |
| 2005-01-20 | 06:36 | 07:01 | 50 | X7.1 | N14W61 | 10720 |
| 2005-01-20 | 16:08 | 16:14 | 11 | C8.0 | N17W90 | 10720 |
| 2005-01-20 | 18:13 | 18:16 | 6 | C3.6 | N17W90 | 10720 |
| 2005-01-20 | 21:47 | 21:53 | 9 | C4.5 | N19W71 | 10720 |
| 2005-01-21 | 00:19 | 00:24 | 7 | C5.8 | N15W71 | 10720 |
| 2005-01-21 | 04:17 | 04:27 | 17 | C6.3 | N19W75 | 10720 |
| 2005-01-21 | 06:30 | 06:36 | 8 | C1.6 | N16W75 | 10720 |
| 2005-01-21 | 06:41 | 06:46 | 8 | C1.8 | N19W78 | 10720 |
| 2005-01-21 | 10:10 | 10:16 | 9 | M1.7 | N19W81 | 10720 |
| 2005-01-21 | 17:05 | 17:11 | 9 | C1.6 | N19W90 | 10720 |
| 2005-01-21 | 20:43 | 20:49 | 12 | C1.6 | N19W90 | 10720 |
| 2005-01-22 | 12:35 | 12:45 | 12 | C1.3 | N14W90 | 10720 |
| 2005-01-22 | 20:56 | 21:00 | 9 | C1.4 | N16W90 | 10720 |
| 2005-01-22 | 21:08 | 21:13 | 10 | C1.9 | N16W90 | 10720 |
| 2005-01-23 | 01:28 | 01:51 | 33 | M1.0 | N15W90 | 10720 |
| 2005-01-23 | 04:43 | 05:05 | 40 | C4.5 | N15W90 | 10720 |
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 10720 produced 88 C+ flares between 2005-01-14 and 2005-01-23.