Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 908
C12
M3
X1
LargestX0.11977-10-12
Span10 days
Flares by day
1
3
1
5
1
3
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1977-10-05 | 13:23 | 13:26 | 11 | M0.1 | N09E90 | 908 |
| 1977-10-06 | 02:09 | 02:12 | 14 | C0.1 | N05E82 | 908 |
| 1977-10-06 | 08:05 | 08:09 | 26 | M0.1 | N06E82 | 908 |
| 1977-10-06 | 10:55 | 11:01 | 18 | M0.1 | N07E80 | 908 |
| 1977-10-07 | 22:23 | 22:23 | 1 | C0.6 | N06E57 | 908 |
| 1977-10-08 | 00:55 | 01:05 | 32 | C0.1 | N07E52 | 908 |
| 1977-10-08 | 02:31 | 02:32 | 29 | C0.5 | N06E55 | 908 |
| 1977-10-08 | 12:35 | 12:42 | 51 | C0.4 | N08E43 | 908 |
| 1977-10-08 | 15:31 | 15:32 | 9 | C0.2 | N05E45 | 908 |
| 1977-10-08 | 20:50 | 20:51 | 3 | C0.2 | N07E43 | 908 |
| 1977-10-12 | 01:58 | 02:00 | 22 | X0.1 | N08W03 | 908 |
| 1977-10-13 | 01:09 | 01:10 | 15 | C0.1 | N05W14 | 908 |
| 1977-10-13 | 17:07 | 17:16 | 31 | C0.7 | N06W21 | 908 |
| 1977-10-13 | 22:27 | 22:29 | 8 | C0.1 | N06W23 | 908 |
| 1977-10-14 | 01:23 | 01:25 | 27 | C0.3 | N05W27 | 908 |
| 1977-10-14 | 03:04 | 03:06 | 11 | C0.1 | N06W27 | 908 |
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 908 produced 16 C+ flares between 1977-10-05 and 1977-10-14.