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Solar flares from active region 6455
C15
M6
X0
LargestM6.91991-01-17
Span7 days
Flares by day
1
4
2
2
4
6
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1991-01-17 | 14:57 | 15:02 | 28 | M6.9 | S13W04 | 6455 |
| 1991-01-18 | 04:14 | 04:16 | 54 | M1.1 | S12W11 | 6455 |
| 1991-01-18 | 08:24 | 08:26 | 34 | C2.9 | S13W14 | 6455 |
| 1991-01-18 | 09:45 | 09:53 | 70 | C3.9 | S14W16 | 6455 |
| 1991-01-18 | 22:07 | 22:10 | 26 | C6.6 | S13W21 | 6455 |
| 1991-01-19 | 01:12 | 01:13 | 9 | C2.3 | S13W21 | 6455 |
| 1991-01-19 | 19:50 | 19:54 | 13 | C2.9 | S11W33 | 6455 |
| 1991-01-20 | 09:21 | 09:26 | 34 | C6.3 | S13W39 | 6455 |
| 1991-01-20 | 20:42 | 20:50 | 54 | C6.5 | S11W44 | 6455 |
| 1991-01-21 | 00:20 | 00:33 | 68 | M6.1 | S12W47 | 6455 |
| 1991-01-21 | 08:18 | 08:19 | 9 | C5.9 | S14W52 | 6455 |
| 1991-01-21 | 12:49 | 12:51 | 16 | C8.4 | S11W54 | 6455 |
| 1991-01-21 | 21:12 | 21:14 | 25 | C9.3 | S11W57 | 6455 |
| 1991-01-22 | 02:10 | 02:15 | 12 | C8.1 | S13W67 | 6455 |
| 1991-01-22 | 05:46 | 05:56 | 19 | M3.4 | S13W67 | 6455 |
| 1991-01-22 | 11:10 | 11:13 | 10 | C8.3 | S17W68 | 6455 |
| 1991-01-22 | 13:13 | 13:16 | 43 | M2.4 | S12W67 | 6455 |
| 1991-01-22 | 19:34 | 19:55 | 98 | M2.7 | S15W72 | 6455 |
| 1991-01-22 | 22:31 | 22:37 | 22 | C3.8 | S14W76 | 6455 |
| 1991-01-23 | 01:24 | 01:30 | 24 | C7.0 | S14W74 | 6455 |
| 1991-01-23 | 08:31 | 08:36 | 10 | C6.3 | S13W78 | 6455 |
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 6455 produced 21 C+ flares between 1991-01-17 and 1991-01-23.