Sunspot region AR8637
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/07/19 | 4 | 20 | BXO | N12W27 | |
| 1999/07/20 | 6 | 20 | CRO | N12W42 | |
| 1999/07/21 | 5 | 30 | BXO | N13W56 | |
| 1999/07/22 | 1 | 10 | AXX | N12W66 |
Latest news
Monday, 22 April 2024
Lot's of sunspots! Big chance for major flare activity?
Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Wednesday, 20 March 2024
Sunspot region 3615, G1 watch
Latest forum messages
AR3663 252024/05/03 X1.69 CME 2Unproven theories 380Unspecified geomagnetic activity 1006Filaments and prominences 69
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Space weather facts
| Last X-flare | 2024/05/03 | X1.6 |
| Last M-flare | 2024/05/03 | M2.7 |
| Last geomagnetic storm | 2024/05/02 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 149.4 +51.8 |