Sunspot region AR9945
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/05/08 | 1 | 240 | HKX | S05E66 | |
| 2002/05/09 | 2 | 290 | HKX | S05E53 | |
| 2002/05/10 | 4 | 370 | CKO | S05E40 | |
| 2002/05/11 | 6 | 400 | CKO | S04E27 | |
| 2002/05/12 | 9 | 310 | DKO | S04E14 | |
| 2002/05/13 | 20 | 320 | DKI | S04E02 | |
| 2002/05/14 | 11 | 260 | CAO | S04W12 | |
| 2002/05/15 | 13 | 270 | DAO | S04W26 | |
| 2002/05/16 | 18 | 280 | DAO | S05W39 | |
| 2002/05/17 | 6 | 250 | CAO | S03W54 | |
| 2002/05/18 | 5 | 180 | DAO | S02W68 | |
| 2002/05/19 | 2 | 180 | HSX | S02W84 | |
| 2002/05/20 | 3 | 50 | CAO | S01W95 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 9945
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.41 | 2002/05/13 | 16:37 | 16:41 | 16:47 | |
| 2 | C2.48 | 2002/05/16 | 09:39 | 09:43 | 09:50 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| April 2026 | 107.7 +21.8 |
| Last 30 days | 100 +44.8 |
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