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Solar flares from active region 4875
C6
M5
X0
LargestM3.11987-11-05
Span14 days
Flares by day
1
1
3
3
2
1
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1987-10-25 | 17:55 | 18:04 | 16 | C1.1 | N35E66 | 4875 |
| 1987-11-02 | 20:32 | 20:46 | 39 | C1.5 | N29W38 | 4875 |
| 1987-11-03 | 07:05 | 07:05 | 20 | C1.0 | N30W43 | 4875 |
| 1987-11-03 | 09:06 | 09:10 | 47 | C4.1 | N30W44 | 4875 |
| 1987-11-03 | 17:03 | 18:30 | 116 | C1.0 | N30W50 | 4875 |
| 1987-11-04 | 17:13 | 17:15 | 28 | M1.3 | N28W67 | 4875 |
| 1987-11-04 | 20:35 | 20:58 | 40 | C1.4 | – | 4875 |
| 1987-11-04 | 23:23 | 23:25 | 9 | M1.5 | N27W62 | 4875 |
| 1987-11-05 | 04:56 | 04:58 | 16 | M3.1 | N30W73 | 4875 |
| 1987-11-05 | 23:34 | 23:35 | 5 | M2.1 | N29W75 | 4875 |
| 1987-11-07 | 20:28 | 20:30 | 17 | M1.2 | N31W90 | 4875 |
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 4875 produced 11 C+ flares between 1987-10-25 and 1987-11-07.