Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 8611
C27
M3
X0
LargestM3.11999-06-29
Span11 days
Flares by day
1
7
2
2
3
2
2
5
2
1
3
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1999-06-27 | 15:16 | 15:33 | 24 | C2.0 | S25E65 | 8611 |
| 1999-06-28 | 00:29 | 00:37 | 18 | C4.0 | S27E61 | 8611 |
| 1999-06-28 | 03:01 | 03:09 | 15 | C5.6 | S26E57 | 8611 |
| 1999-06-28 | 05:29 | 05:35 | 15 | C1.3 | S27E55 | 8611 |
| 1999-06-28 | 10:18 | 10:24 | 15 | C2.3 | S27E55 | 8611 |
| 1999-06-28 | 12:13 | 12:17 | 12 | C1.6 | S27E54 | 8611 |
| 1999-06-28 | 15:54 | 16:00 | 11 | C1.9 | S26E52 | 8611 |
| 1999-06-28 | 18:59 | 19:34 | 60 | C6.2 | S25E49 | 8611 |
| 1999-06-29 | 05:58 | 06:03 | 23 | C1.9 | S26E48 | 8611 |
| 1999-06-29 | 08:13 | 08:21 | 14 | M3.1 | S27E41 | 8611 |
| 1999-06-30 | 04:33 | 04:46 | 22 | M2.1 | S26E28 | 8611 |
| 1999-06-30 | 16:30 | 16:42 | 24 | C3.8 | S27E25 | 8611 |
| 1999-07-01 | 10:09 | 10:27 | 39 | C3.1 | S26E15 | 8611 |
| 1999-07-01 | 17:35 | 17:48 | 40 | C8.1 | S25E12 | 8611 |
| 1999-07-01 | 20:27 | 20:34 | 20 | C3.0 | S25E12 | 8611 |
| 1999-07-02 | 15:12 | 15:20 | 18 | M1.6 | S27E01 | 8611 |
| 1999-07-02 | 20:27 | 20:57 | 67 | C2.3 | S24W03 | 8611 |
| 1999-07-03 | 18:56 | 19:03 | 15 | C5.6 | S26W15 | 8611 |
| 1999-07-03 | 20:15 | 20:50 | 44 | C7.5 | N16W55 | 8611 |
| 1999-07-04 | 06:00 | 06:17 | 30 | C1.8 | S27W20 | 8611 |
| 1999-07-04 | 08:20 | 08:28 | 24 | C6.4 | S24W25 | 8611 |
| 1999-07-04 | 09:20 | 09:23 | 5 | C3.1 | S27W22 | 8611 |
| 1999-07-04 | 16:09 | 16:21 | 27 | C4.5 | S27W26 | 8611 |
| 1999-07-04 | 20:17 | 20:37 | 27 | C3.1 | S24W30 | 8611 |
| 1999-07-05 | 11:49 | 12:03 | 29 | C4.3 | S25W41 | 8611 |
| 1999-07-05 | 17:11 | 17:17 | 18 | C3.3 | S26W43 | 8611 |
| 1999-07-06 | 20:18 | 20:26 | 20 | C2.1 | S28W64 | 8611 |
| 1999-07-07 | 03:41 | 03:45 | 6 | C1.8 | S25W73 | 8611 |
| 1999-07-07 | 05:24 | 05:28 | 8 | C1.0 | S27W64 | 8611 |
| 1999-07-07 | 19:36 | 19:40 | 10 | C1.1 | S26W69 | 8611 |
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 8611 produced 30 C+ flares between 1999-06-27 and 1999-07-07.