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 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 668X1.9 CME 1364X8 CME 11New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 73Current Farside Activity 351
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Space weather facts
| Last X-flare | 2026/02/03 | X1.5 |
| Last M-flare | 2026/02/03 | M7.3 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 114 -10 |
| Last 30 days | 118.1 +6.2 |