Sunspot region AR9946
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/05/09 | 3 | 70 | DAO | S08E65 | |
| 2002/05/10 | 4 | 100 | DAO | S06E52 | |
| 2002/05/11 | 14 | 50 | CSO | S06E38 | |
| 2002/05/12 | 16 | 60 | DAO | S06E25 | |
| 2002/05/13 | 10 | 40 | DAO | S05E12 | |
| 2002/05/14 | 4 | 30 | CSO | S05W02 | |
| 2002/05/15 | 2 | 10 | AXX | S06W17 |
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 9946
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.78 | 2002/05/10 | 00:23 | 00:39 | 00:54 | |
| 2 | C3.92 | 2002/05/11 | 16:45 | 16:50 | 16:54 | |
| 3 | C2.31 | 2002/05/10 | 12:35 | 12:54 | 13:02 | |
| 4 | C1.63 | 2002/05/13 | 02:34 | 02:37 | 02:40 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/05/12 | M1.9 |
| Last geomagnetic storm | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 77.8 -62.8 |
| Last 30 days | 101.4 -34 |