Sunspot region AR8735
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/17 | 9 | 10 | BXO | N18E40 | |
| 1999/10/18 | 6 | 40 | DSO | N18E22 | |
| 1999/10/19 | 6 | 30 | CSO | N19E09 | |
| 1999/10/20 | 4 | 20 | CRO | N19W06 | |
| 1999/10/21 | 3 | 10 | BXO | N18W19 |
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
IMF - BT strength 4What are these long and thin eruptions? 6AR 3637, 3638, 3643 89Unproven theories 341Space Weather Memes 338
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/25 | M1.3 |
| Last geomagnetic storm | 2024/04/19 | Kp7 (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 133.4 +25.6 |