Sunspot region AR8535
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/07 | 1 | 160 | HAX | N20E67 | |
| 1999/05/08 | 3 | 260 | CHO | N21E54 | |
| 1999/05/09 | 4 | 300 | DHO | N22E42 | |
| 1999/05/10 | 7 | 330 | DKO | N21E30 | |
| 1999/05/11 | 8 | 310 | CKO | N21E16 | |
| 1999/05/12 | 10 | 320 | CKO | N21E06 | |
| 1999/05/13 | 11 | 270 | CKO | N22W09 | |
| 1999/05/14 | 9 | 370 | CKO | N22W23 | |
| 1999/05/15 | 9 | 330 | CKO | N21W36 | |
| 1999/05/16 | 7 | 370 | CKO | N22W49 | |
| 1999/05/17 | 2 | 340 | HKX | N22W62 | |
| 1999/05/18 | 2 | 320 | DKC | N22W76 | |
| 1999/05/19 | 2 | 210 | HSX | N22W88 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |