| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/12/15 | 2 | 10 | BXO | S20W28 | |
| 2000/12/16 | 5 | 30 | BXO | S19W41 | |
| 2000/12/17 | 5 | 30 | BXO | S20W54 | |
| 2000/12/18 | 1 | 10 | AXX | S20W67 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.37 | 2000/12/16 | 19:21 | 19:26 | 19:31 | |
| 2 | C3.11 | 2000/12/17 | 00:56 | 01:00 | 01:06 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 140.8 +16.8 |
| Last 30 days | 124.4 +17 |