Sunspot region AR8518
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/18 | 2 | 60 | HAX | S16E66 | |
| 1999/04/19 | 4 | 80 | HAX | S14E53 | |
| 1999/04/20 | 11 | 100 | CAO | S14E40 | |
| 1999/04/21 | 16 | 160 | DAO | S15E29 | |
| 1999/04/22 | 17 | 160 | DAO | S15E15 | |
| 1999/04/23 | 18 | 170 | EAO | S15E04 | |
| 1999/04/24 | 18 | 160 | DAO | S14W10 | |
| 1999/04/25 | 9 | 120 | CAO | S14W23 | |
| 1999/04/26 | 8 | 80 | CAO | S13W38 | |
| 1999/04/27 | 2 | 90 | HSX | S13W51 | |
| 1999/04/28 | 1 | 70 | HSX | S13W64 | |
| 1999/04/29 | 1 | 70 | HSX | S13W76 | |
| 1999/04/30 | 1 | 60 | HSX | S13W93 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8518
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.4 | 1999/04/20 | 01:42 | 01:46 | 01:48 |
Latest news
Wednesday, 29 January 2025
Double coronal holes face Earth
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Latest forum messages
AR 3976 / AR 3977 / AR 3978 89Filaments and prominences 666Something huge fell on the Sun today 10AR 3981 2Strong far side CME 381
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/02 | M2.7 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| February 2025 | 145 -9.5 |
| Last 30 days | 143.6 +3.8 |