Sunspot region AR10266
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/01/21 | 2 | 30 | HRX | S23E56 | |
| 2003/01/22 | 9 | 100 | DAO | S23E43 | |
| 2003/01/23 | 16 | 80 | ESO | S23E30 | |
| 2003/01/24 | 17 | 140 | EAO | S22E13 | |
| 2003/01/25 | 29 | 140 | EAI | S19E01 | |
| 2003/01/26 | 28 | 140 | FAI | S21W10 | |
| 2003/01/27 | 21 | 170 | FAI | S22W26 | |
| 2003/01/28 | 15 | 130 | EAO | S21W40 | |
| 2003/01/29 | 6 | 130 | DSO | S20W55 | |
| 2003/01/30 | 7 | 100 | DAO | S21W68 | |
| 2003/01/31 | 1 | 60 | HSX | S21W83 | |
| 2003/02/01 | 3 | 70 | HAX | S21W95 |
| B | C | M |
|---|---|---|
| 2 | 7 | 2 |
The top 10 solar flares from sunspot region 10266
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.59 | 2003/01/23 | 12:28 | 12:43 | 12:49 | |
| 2 | M2.74 | 2003/01/24 | 03:12 | 03:27 | 03:40 | |
| 3 | C8.71 | 2003/01/23 | 04:25 | 04:34 | 04:41 | |
| 4 | C8.03 | 2003/01/24 | 15:17 | 15:50 | 16:06 | |
| 5 | C4.66 | 2003/01/28 | 23:38 | 23:50 | 00:00 | |
| 6 | C4.07 | 2003/01/24 | 04:59 | 05:09 | 05:17 | |
| 7 | C1.97 | 2003/01/24 | 22:04 | 22:14 | 22:28 | |
| 8 | C1.67 | 2003/01/29 | 20:13 | 20:33 | 20:50 | |
| 9 | C1.09 | 2003/01/20 | 14:54 | 14:58 | 15:00 | |
| 10 | B9.14 | 2003/01/20 | 14:46 | 14:49 | 14:50 |
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
Latest forum messages
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/23 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 77.7 -0.5 |
| Last 30 days | 72.3 -15.7 |