Sunspot region AR8634
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/07/13 | 1 | 10 | AXX | S18E69 | |
| 1999/07/14 | 1 | 10 | AXX | S18E59 | |
| 1999/07/15 | 1 | 10 | HRX | S19E43 | |
| 1999/07/16 | 1 | 0 | HRX | S19E30 |
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 8634
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.84 | 1999/07/12 | 16:43 | 16:48 | 16:53 | |
| 2 | C1.26 | 1999/07/14 | 00:38 | 00:48 | 00:54 | |
| 3 | C1.17 | 1999/07/15 | 09:12 | 09:16 | 09:19 |
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| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 133 +9 |
| Last 30 days | 120.6 +10.9 |