Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 2550
C12
M5
X0
LargestM8.91980-07-05
Span6 days
Flares by day
6
2
5
3
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1980-07-05 | 00:15 | 00:22 | 53 | C5.2 | N28W17 | 2550 |
| 1980-07-05 | 01:56 | 02:09 | 62 | C7.7 | N27W19 | 2550 |
| 1980-07-05 | 07:39 | 07:42 | 44 | M2.9 | N25W25 | 2550 |
| 1980-07-05 | 15:23 | 16:01 | 114 | C1.9 | N27W25 | 2550 |
| 1980-07-05 | 15:50 | 16:08 | 55 | M1.4 | N27W25 | 2550 |
| 1980-07-05 | 22:23 | 22:47 | 26 | M8.9 | N28W29 | 2550 |
| 1980-07-06 | 04:22 | 04:22 | 12 | C7.7 | N27W34 | 2550 |
| 1980-07-06 | 04:47 | 04:50 | 8 | M2.8 | N27W33 | 2550 |
| 1980-07-07 | 11:29 | 11:51 | 38 | M2.3 | N26W49 | 2550 |
| 1980-07-07 | 12:51 | 13:29 | 113 | C2.2 | N25W56 | 2550 |
| 1980-07-07 | 13:54 | 14:04 | 16 | C3.3 | – | 2550 |
| 1980-07-07 | 14:53 | 15:30 | 108 | C1.1 | N25W51 | 2550 |
| 1980-07-07 | 18:56 | 19:00 | 20 | C1.3 | – | 2550 |
| 1980-07-09 | 12:22 | 12:22 | 9 | C7.6 | N29W72 | 2550 |
| 1980-07-09 | 13:21 | 13:26 | 11 | C3.2 | N28W73 | 2550 |
| 1980-07-09 | 15:16 | 15:16 | 6 | C5.6 | N24W74 | 2550 |
| 1980-07-10 | 06:13 | 06:23 | 16 | C4.2 | – | 2550 |
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 2550 produced 17 C+ flares between 1980-07-05 and 1980-07-10.