Sunspot region AR10123
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/09/18 | 3 | 20 | HRX | S16E30 | |
| 2002/09/19 | 5 | 20 | BXO | S16E16 | |
| 2002/09/20 | 9 | 40 | DSO | S14E04 | |
| 2002/09/21 | 14 | 90 | DAO | S14W10 | |
| 2002/09/22 | 14 | 60 | DAO | S15W21 | |
| 2002/09/23 | 5 | 40 | CAO | S13W38 | |
| 2002/09/24 | 1 | 30 | HSX | S16W54 | |
| 2002/09/25 | 1 | 20 | AXX | S17W67 | |
| 2002/09/26 | 1 | 20 | HSX | S16W80 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 10123
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.73 | 2002/09/21 | 20:34 | 21:00 | 21:38 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/04 | M1.89 |
| Last geomagnetic storm | 2026/05/05 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 138.2 +58.9 |
| Last 30 days | 93.2 -6 |
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