Sunspot region AR8640
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/07/21 | 1 | 40 | HSX | N17E76 | |
| 1999/07/22 | 1 | 80 | HSX | N17E63 | |
| 1999/07/23 | 1 | 90 | HSX | N17E49 | |
| 1999/07/24 | 1 | 110 | HSX | N17E37 | |
| 1999/07/25 | 1 | 120 | HAX | N17E24 | |
| 1999/07/26 | 1 | 90 | HSX | N17E10 | |
| 1999/07/27 | 1 | 90 | HSX | N17W03 | |
| 1999/07/28 | 1 | 90 | HSX | N17W16 | |
| 1999/07/29 | 2 | 70 | HSX | N17W28 | |
| 1999/07/30 | 7 | 110 | CSO | N16W42 | |
| 1999/07/31 | 4 | 100 | CSO | N16W55 | |
| 1999/08/01 | 3 | 90 | CSO | N17W69 | |
| 1999/08/02 | 1 | 60 | HSX | N18W82 | |
| 1999/08/03 | 1 | 10 | HSX | N17W94 |
Latest news
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Latest forum messages
sun goes blank 71Space Weather Memes 566Incoming & Unnumbered Active Regions 1209AR13889 143Northern Lights long term prediction 3
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 | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/13 | M1.7 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 170.8 +4.3 |
| Last 30 days | 165.1 +20.3 |