Sunspot region AR10154
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/10/11 | 2 | 50 | HAX | S12E68 | |
| 2002/10/12 | 2 | 30 | CSO | S13E55 | |
| 2002/10/13 | 3 | 50 | CSO | S12E44 | |
| 2002/10/14 | 5 | 60 | DSO | S11E33 | |
| 2002/10/15 | 9 | 40 | EAO | S12E21 | |
| 2002/10/16 | 10 | 30 | CSO | S12E08 | |
| 2002/10/17 | 12 | 50 | CSO | S12W05 | |
| 2002/10/18 | 10 | 20 | CSO | S12W18 | |
| 2002/10/19 | 7 | 40 | DSO | S12W31 | |
| 2002/10/20 | 1 | 20 | HSX | S14W48 | |
| 2002/10/21 | 1 | 10 | AXX | S14W62 |
| C |
|---|
| 5 |
The top 5 solar flares from sunspot region 10154
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C9.93 | 2002/10/20 | 05:27 | 05:31 | 05:34 | |
| 2 | C9.5 | 2002/10/20 | 14:10 | 14:13 | 14:21 | |
| 3 | C7.2 | 2002/10/19 | 21:11 | 21:16 | 21:21 | |
| 4 | C5.29 | 2002/10/21 | 04:16 | 04:19 | 04:22 | |
| 5 | C3.83 | 2002/10/20 | 17:52 | 18:05 | 18:10 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/13 | M1.19 |
| Last geomagnetic storm | 2026/03/13 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
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| Monthly mean Sunspot Number | |
|---|---|
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| March 2026 | 83.5 +5.3 |
| Last 30 days | 58 -68.6 |