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
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 85.2 +7 |
| Last 30 days | 85.2 +8.6 |
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