Sunspot region AR8770
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/11/17 | 5 | 40 | DSO | S14W23 | |
| 1999/11/18 | 8 | 50 | DSO | S14W37 | |
| 1999/11/19 | 9 | 110 | DAO | S13W51 | |
| 1999/11/20 | 8 | 90 | DSO | S14W65 | |
| 1999/11/21 | 7 | 60 | CSO | S13W80 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8770
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.13 | 1999/11/18 | 18:46 | 18:52 | 18:57 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/21 | Kp7 (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 76.1 -2.1 |
| Last 30 days | 65.3 -33.8 |