Sunspot region AR10735
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2005/02/11 | 1 | 80 | HSX | S08E74 | |
| 2005/02/12 | 3 | 410 | DHO | S08E60 | |
| 2005/02/13 | 1 | 380 | HHX | S08E47 | |
| 2005/02/14 | 8 | 370 | DHO | S09E34 | |
| 2005/02/15 | 26 | 440 | DKO | S08E20 | |
| 2005/02/16 | 15 | 420 | CKO | S08E06 | |
| 2005/02/17 | 17 | 470 | EKC | S07W06 | |
| 2005/02/18 | 11 | 420 | DKC | S10W18 | |
| 2005/02/19 | 8 | 460 | DKO | S09W32 | |
| 2005/02/20 | 18 | 410 | DKI | S09W45 | |
| 2005/02/21 | 12 | 440 | DKO | S09W58 | |
| 2005/02/22 | 6 | 440 | DKO | S09W71 | |
| 2005/02/23 | 2 | 300 | CKO | S09W85 | |
| 2005/02/24 | 1 | 60 | HSX | S09W97 |
| B | C |
|---|---|
| 18 | 7 |
The top 10 solar flares from sunspot region 10735
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.82 | 2005/02/16 | 16:33 | 16:37 | 16:40 | |
| 2 | C1.88 | 2005/02/23 | 06:21 | 06:28 | 06:33 | |
| 3 | C1.82 | 2005/02/18 | 04:33 | 04:37 | 04:39 | |
| 4 | C1.28 | 2005/02/12 | 03:24 | 03:29 | 03:37 | |
| 5 | C1.24 | 2005/02/15 | 16:17 | 16:26 | 16:35 | |
| 6 | C1.22 | 2005/02/18 | 21:40 | 21:56 | 22:02 | |
| 7 | C1.01 | 2005/02/10 | 19:47 | 20:14 | 20:21 | |
| 8 | B9.12 | 2005/02/11 | 13:50 | 13:53 | 13:57 | |
| 9 | B9.11 | 2005/02/15 | 02:12 | 02:22 | 02:29 | |
| 10 | B7.63 | 2005/02/12 | 02:29 | 02:35 | 02:46 |
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
AR4366 979Feb 8-9 CMEs 17Do the high-resolution sunspot counts point to more complex sunspots? 52AR 4371 19AR 4373 3
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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 | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |