Sunspot region AR9940
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/05/05 | 1 | 70 | HAX | N14E72 | |
| 2002/05/06 | 2 | 40 | HSX | N13E55 | |
| 2002/05/07 | 1 | 40 | HAX | N13E42 | |
| 2002/05/08 | 1 | 20 | HSX | N15E28 | |
| 2002/05/09 | 11 | 50 | DSO | N15E15 | |
| 2002/05/10 | 14 | 80 | DSO | N15E03 | |
| 2002/05/11 | 13 | 40 | DSO | N17W11 | |
| 2002/05/12 | 7 | 30 | ESO | N17W24 | |
| 2002/05/13 | 6 | 30 | CSO | N18W38 | |
| 2002/05/14 | 3 | 10 | BXO | N19W51 | |
| 2002/05/15 | 1 | 10 | AXX | N19W67 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 9940
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.54 | 2002/05/08 | 06:24 | 06:28 | 06:33 |
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/20 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 77.5 -0.7 |
| Last 30 days | 63.5 -42.2 |