Sunspot region AR8780
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/11/25 | 3 | 30 | CSO | S11E51 | |
| 1999/11/26 | 1 | 10 | AXX | S11E38 | |
| 1999/11/28 | 1 | 0 | AXX | S16E14 | |
| 1999/11/29 | 2 | 0 | AXX | S11W03 | |
| 1999/12/01 | 1 | 0 | AXX | S16W26 | |
| 1999/12/02 | 1 | 0 | AXX | S15W39 |
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Unproven theories 483Red Auroras 19Could Cycle 25 be categorized as "historical"? 16May 2024 Geomagnetic Storms from AR 13664 (2) 326AR3664 1108
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Space weather facts
| Last X-flare | 2024/05/15 | X2.9 |
| Last M-flare | 2024/05/21 | M1.9 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 155.9 +19.4 |
| Last 30 days | 158.9 +32.9 |