Sunspot region AR10173
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/10/29 | 3 | 50 | CSO | S17W69 | |
| 2002/10/30 | 4 | 100 | CSO | S18W82 | |
| 2002/10/31 | 2 | 30 | DAO | S15W92 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 10173
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.43 | 2002/10/29 | 14:45 | 14:48 | 14:53 | |
| 2 | C1.69 | 2002/10/28 | 23:21 | 23:27 | 23:35 |
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/22 | M2.3 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| 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 | 87.6 +8.3 |
| Last 30 days | 99.3 +9.1 |
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