Sunspot region AR9842
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/02/23 | 2 | 10 | AXX | S18E03 | |
| 2002/02/24 | 2 | 10 | HRX | S18W11 | |
| 2002/02/25 | 5 | 20 | CSO | S19W23 | |
| 2002/02/26 | 16 | 90 | DAO | S19W36 | |
| 2002/02/27 | 13 | 240 | DKO | S19W49 | |
| 2002/02/28 | 6 | 210 | DAO | S19W63 | |
| 2002/03/01 | 4 | 130 | DAO | S18W73 | |
| 2002/03/02 | 4 | 90 | DAO | S19W87 |
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.4 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| Last 30 days | 128.1 -22.5 |