Sunspot region AR10255
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/01/13 | 9 | 200 | CKO | S13E14 | |
| 2003/01/14 | 9 | 200 | CKO | S13E01 | |
| 2003/01/15 | 7 | 240 | CKO | S13W12 | |
| 2003/01/16 | 13 | 160 | CAO | S13W23 | |
| 2003/01/17 | 7 | 150 | DSO | S13W39 | |
| 2003/01/18 | 6 | 130 | CAO | S12W53 | |
| 2003/01/19 | 2 | 110 | HAX | S13W67 | |
| 2003/01/20 | 1 | 130 | HSX | S13W81 | |
| 2003/01/21 | 1 | 70 | HAX | S13W94 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 10255
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.64 | 2003/01/16 | 01:02 | 01:08 | 01:15 |
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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Latest alerts
07:15 UTC - 10cm Radio Burst
Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu
07:06 UTC - Solar flare
Strong M5.61 flare
06:48 UTC - Radio Blackout
Moderate R2 radio blackout in progress (≥M5 - current: M5.36)
06:45 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.7)
02:15 UTC - Solar protons
Moderate S2 Solar Radiation Storm - Infrequent effects on HF radio through polar regions and satellite operations
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M5.6 |
| 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 | 128.5 -22.7 |