Sunspot region AR9816
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/02/05 | 9 | 80 | DAO | S13W33 | |
| 2002/02/06 | 11 | 150 | DSO | S12W46 | |
| 2002/02/07 | 4 | 60 | DAO | S11W58 | |
| 2002/02/08 | 4 | 30 | CSO | S11W70 | |
| 2002/02/09 | 3 | 30 | CSO | S13W85 |
| C | M |
|---|---|
| 5 | 1 |
The top 6 solar flares from sunspot region 9816
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.18 | 2002/02/06 | 04:33 | 04:40 | 04:43 | |
| 2 | C5.92 | 2002/02/07 | 00:51 | 00:56 | 01:01 | |
| 3 | C4.17 | 2002/02/06 | 04:51 | 05:09 | 05:13 | |
| 4 | C3.9 | 2002/02/07 | 20:02 | 20:07 | 20:15 | |
| 5 | C3.21 | 2002/02/05 | 08:19 | 08:37 | 08:45 | |
| 6 | C2.54 | 2002/02/06 | 17:04 | 17:07 | 17:11 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 143 +8.8 |
| Last 30 days | 130.4 -16.1 |