| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2010/05/03 | 4 | 20 | BXO | N23E55 | |
| 2010/05/04 | 2 | 20 | CSO | N23E38 | |
| 2010/05/05 | 3 | 20 | DRO | N23E24 | |
| 2010/05/06 | 3 | 10 | BXO | N23E13 | |
| 2010/05/07 | 2 | 10 | BXO | N23E03 |
| B | C |
|---|---|
| 6 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.11 | 2010/05/01 | 01:34 | 01:39 | 01:43 | |
| 2 | C3.14 | 2010/04/30 | 19:28 | 19:34 | 19:38 | |
| 3 | B5.25 | 2010/05/02 | 10:02 | 10:09 | 10:15 | |
| 4 | B4.04 | 2010/05/02 | 06:03 | 06:09 | 06:18 | |
| 5 | B2.05 | 2010/05/12 | 13:52 | 14:09 | 14:19 | |
| 6 | B1.97 | 2010/05/12 | 02:08 | 02:22 | 02:29 | |
| 7 | B1.94 | 2010/05/11 | 19:33 | 20:16 | 20:42 | |
| 8 | B1.24 | 2010/05/01 | 09:48 | 09:52 | 09:59 |
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| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/02 | M2.4 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 97 -27 |
| Last 30 days | 118.3 +3.5 |