Sunspot region AR8516
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/15 | 5 | 60 | CAO | S21E68 | |
| 1999/04/16 | 8 | 50 | CAO | S19E55 | |
| 1999/04/17 | 8 | 70 | CAO | S20E44 | |
| 1999/04/18 | 5 | 80 | CAO | S20E30 | |
| 1999/04/19 | 5 | 60 | CSO | S18E16 | |
| 1999/04/20 | 5 | 70 | CAO | S18E03 | |
| 1999/04/21 | 3 | 40 | CSO | S19W11 | |
| 1999/04/22 | 3 | 50 | CSO | S19W25 | |
| 1999/04/23 | 6 | 40 | CSO | S20W36 | |
| 1999/04/24 | 8 | 30 | CRO | S19W50 | |
| 1999/04/25 | 10 | 20 | CRO | S19W62 |
Latest news
Monday, 23 December 2024
M9.0 solar flare with earth-directed CME
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/25 | M4.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 115.2 -37.3 |
| Last 30 days | 120.1 -38.2 |