| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/02/20 | 1 | 10 | AXX | S11E73 | |
| 2004/02/21 | 2 | 60 | DAO | S11E59 | |
| 2004/02/22 | 2 | 20 | BXO | S13E45 | |
| 2004/02/23 | 1 | 10 | AXX | S12E29 | |
| 2004/02/24 | 1 | 0 | AXX | S13E13 | |
| 2004/02/26 | 2 | 10 | BXO | S12W09 |
| B |
|---|
| 5 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B7.89 | 2004/02/21 | 17:21 | 17:26 | 17:31 | |
| 2 | B4.8 | 2004/02/20 | 23:39 | 23:49 | 00:00 | |
| 3 | B2.4 | 2004/02/19 | 00:10 | 00:14 | 00:17 | |
| 4 | B2.3 | 2004/02/19 | 03:26 | 03:30 | 03:34 | |
| 5 | B2.22 | 2004/02/19 | 01:47 | 01:50 | 01:54 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.3 +22.5 |
| Last 30 days | 109.4 +22.7 |