Sunspot region AR8580
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/06/10 | 2 | 240 | HAX | S19E67 | |
| 1999/06/11 | 4 | 260 | HKX | S19E54 | |
| 1999/06/12 | 2 | 300 | HKX | S20E42 | |
| 1999/06/13 | 2 | 250 | HKX | S20E28 | |
| 1999/06/14 | 6 | 270 | CKO | S20E15 | |
| 1999/06/15 | 7 | 230 | CAO | S20E02 | |
| 1999/06/16 | 10 | 230 | CAO | S21W11 | |
| 1999/06/17 | 6 | 230 | CAO | S20W24 | |
| 1999/06/18 | 8 | 270 | CAO | S21W37 | |
| 1999/06/19 | 2 | 220 | HSX | S21W51 | |
| 1999/06/20 | 1 | 180 | HSX | S21W63 | |
| 1999/06/21 | 1 | 170 | HSX | S20W76 | |
| 1999/06/22 | 1 | 40 | HSX | S21W94 |
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AR 3976 / AR 3977 / AR 3978 81Strong far side CME 380Something huge fell on the Sun today 8Filaments and prominences 664AR 3981 1
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/02 | M1.4 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| February 2025 | 145 -9.5 |
| Last 30 days | 143.6 +3.8 |