Sunspot region AR9987
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/06/07 | 10 | 20 | BXO | S16E24 | |
| 2002/06/08 | 21 | 20 | CSO | S16E11 | |
| 2002/06/09 | 25 | 210 | EAI | S15W02 | |
| 2002/06/10 | 33 | 240 | EKI | S15W16 | |
| 2002/06/11 | 27 | 380 | EKI | S15W29 | |
| 2002/06/12 | 20 | 420 | EKI | S15W43 | |
| 2002/06/13 | 16 | 370 | EKO | S15W56 | |
| 2002/06/14 | 12 | 340 | EHO | S15W71 | |
| 2002/06/15 | 1 | 120 | HAX | S16W86 |
| B | C |
|---|---|
| 1 | 6 |
The top 7 solar flares from sunspot region 9987
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.41 | 2002/06/11 | 12:20 | 12:23 | 12:26 | |
| 2 | C2.28 | 2002/06/11 | 15:08 | 15:15 | 15:21 | |
| 3 | C1.83 | 2002/06/11 | 11:45 | 11:49 | 11:51 | |
| 4 | C1.82 | 2002/06/11 | 11:01 | 11:06 | 11:11 | |
| 5 | C1.64 | 2002/06/11 | 10:04 | 10:05 | 10:07 | |
| 6 | C1.09 | 2002/06/11 | 14:00 | 14:04 | 14:07 | |
| 7 | B9.27 | 2002/06/06 | 16:23 | 16:26 | 16:29 |
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| Last X-flare | 2024/09/14 | X4.54 |
| Last M-flare | 2024/09/14 | M3.0 |
| Last geomagnetic storm | 2024/09/17 | Kp8- (G4) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| August 2024 | 215.5 +19 |
| September 2024 | 151.6 -63.9 |
| Last 30 days | 158.3 -54.2 |