Sunspot region AR10158
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/10/13 | 1 | 90 | HSX | S08E80 | |
| 2002/10/14 | 1 | 120 | HSX | S09E62 | |
| 2002/10/15 | 1 | 110 | HSX | S08E47 | |
| 2002/10/16 | 3 | 120 | CSO | S08E34 | |
| 2002/10/17 | 4 | 120 | CSO | S08E21 | |
| 2002/10/18 | 16 | 140 | DAO | S08E11 | |
| 2002/10/19 | 18 | 140 | DAI | S08W02 | |
| 2002/10/20 | 17 | 120 | DSO | S07W18 | |
| 2002/10/21 | 10 | 100 | DSO | S07W32 | |
| 2002/10/22 | 4 | 60 | CSO | S08W47 | |
| 2002/10/23 | 7 | 120 | DSO | S08W61 | |
| 2002/10/24 | 4 | 110 | DAO | S08W75 | |
| 2002/10/25 | 3 | 80 | DAO | S06W88 |
| C | M |
|---|---|
| 5 | 1 |
The top 6 solar flares from sunspot region 10158
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.03 | 2002/10/19 | 01:10 | 01:22 | 01:41 | |
| 2 | C9.53 | 2002/10/23 | 01:17 | 02:32 | 02:47 | |
| 3 | C3.83 | 2002/10/17 | 03:53 | 03:58 | 04:19 | |
| 4 | C3.49 | 2002/10/20 | 09:09 | 09:15 | 09:19 | |
| 5 | C3.39 | 2002/10/17 | 11:41 | 11:44 | 11:57 | |
| 6 | C1.83 | 2002/10/18 | 06:57 | 07:11 | 07:14 |
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
AR4374 5Do the high-resolution sunspot counts point to more complex sunspots? 59Feb 8-9 CMEs 23AR4366 1007AR4362 23
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| 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 | 135.3 +22.7 |
| Last 30 days | 127.2 +23.7 |