Sunspot region AR8710
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/09/27 | 1 | 30 | HSX | N20E76 | |
| 1999/09/28 | 1 | 40 | HSX | N19E64 | |
| 1999/09/29 | 3 | 30 | CSO | N19E51 | |
| 1999/09/30 | 1 | 20 | HSX | N19E38 | |
| 1999/10/01 | 1 | 20 | HSX | N21E25 | |
| 1999/10/02 | 1 | 10 | HSX | N21E13 | |
| 1999/10/03 | 1 | 10 | AXX | N21E00 | |
| 1999/10/04 | 1 | 0 | AXX | N22W13 | |
| 1999/10/05 | 1 | 0 | AXX | N24W28 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 8710
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B9.69 | 1999/09/29 | 20:12 | 20:16 | 20:18 |
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| Last X-flare | 2024/05/15 | X2.9 |
| Last M-flare | 2024/05/17 | M7.1 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 157.2 +20.7 |
| Last 30 days | 174.3 +64.2 |