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Solar flares from active region 4845
C10
M3
X0
LargestM1.41987-08-22
Span7 days
Flares by day
1
4
3
1
2
1
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1987-08-21 | 21:56 | 22:06 | 20 | C1.3 | N14E79 | 4845 |
| 1987-08-22 | 05:03 | 05:52 | 49 | C9.2 | N16E75 | 4845 |
| 1987-08-22 | 09:30 | – | 14 | M1.4 | N19E77 | 4845 |
| 1987-08-22 | 12:14 | 12:19 | 58 | C1.8 | N16E68 | 4845 |
| 1987-08-22 | 16:39 | 16:48 | 38 | M1.3 | N15E67 | 4845 |
| 1987-08-23 | 02:41 | 02:43 | 44 | C3.2 | N14E61 | 4845 |
| 1987-08-23 | 12:31 | 12:51 | 73 | C1.9 | N15E58 | 4845 |
| 1987-08-23 | 22:35 | 22:57 | 73 | M1.3 | N14E52 | 4845 |
| 1987-08-24 | 22:25 | 22:32 | 34 | C8.3 | N15E39 | 4845 |
| 1987-08-25 | 01:42 | 01:43 | 30 | C1.8 | N16E36 | 4845 |
| 1987-08-25 | 06:10 | – | 48 | C1.6 | N16E33 | 4845 |
| 1987-08-26 | 00:48 | 01:02 | 62 | C2.0 | N16E22 | 4845 |
| 1987-08-27 | 13:15 | 13:42 | 44 | C1.1 | – | 4845 |
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 4845 produced 13 C+ flares between 1987-08-21 and 1987-08-27.