Sunspot region AR10508
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/11/20 | 5 | 700 | EKO | S17E75 | |
| 2003/11/21 | 18 | 680 | DKO | S20E58 | |
| 2003/11/22 | 27 | 510 | FAI | S18E47 | |
| 2003/11/23 | 25 | 520 | EKI | S17E34 | |
| 2003/11/24 | 47 | 480 | EKC | S17E20 | |
| 2003/11/25 | 41 | 450 | EKC | S17E08 | |
| 2003/11/26 | 52 | 270 | EAC | S16W06 | |
| 2003/11/27 | 40 | 360 | EKI | S18W18 | |
| 2003/11/28 | 16 | 180 | DAO | S19W31 | |
| 2003/11/29 | 21 | 200 | DAI | S19W44 | |
| 2003/11/30 | 22 | 260 | EAC | S19W57 | |
| 2003/12/01 | 15 | 230 | DAI | S19W71 | |
| 2003/12/02 | 8 | 140 | CSO | S19W84 |
| C | M |
|---|---|
| 26 | 5 |
The top 10 solar flares from sunspot region 10508
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M6.52 | 2003/11/18 | 09:23 | 10:11 | 11:01 | |
| 2 | M2.17 | 2003/12/02 | 22:50 | 23:00 | 23:07 | |
| 3 | M2.04 | 2003/12/02 | 12:47 | 13:08 | 13:22 | |
| 4 | M1.37 | 2003/11/27 | 07:41 | 08:20 | 08:48 | |
| 5 | M1.03 | 2003/12/02 | 09:40 | 09:48 | 09:54 | |
| 6 | C6.28 | 2003/11/20 | 04:32 | 04:40 | 04:48 | |
| 7 | C5.68 | 2003/12/02 | 07:57 | 08:07 | 08:17 | |
| 8 | C5.22 | 2003/11/28 | 09:06 | 09:13 | 09:30 | |
| 9 | C4.31 | 2003/11/25 | 05:54 | 06:02 | 06:13 | |
| 10 | C4.14 | 2003/11/23 | 23:37 | 23:53 | 00:16 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Feb 8-9 CMEs 8Current Farside Activity 369AR4366 971AR 4373 2Do the high-resolution sunspot counts point to more complex sunspots? 49
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 139.3 +26.7 |
| Last 30 days | 124.9 +18 |