Sunspot region AR8540
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/08 | 3 | 60 | CSO | S28E70 | |
| 1999/05/09 | 5 | 140 | EAO | S28E59 | |
| 1999/05/10 | 9 | 80 | DSO | S28E46 | |
| 1999/05/11 | 10 | 100 | DSO | S27E33 | |
| 1999/05/12 | 13 | 50 | BXO | S26E19 | |
| 1999/05/13 | 12 | 40 | CRO | S27E08 | |
| 1999/05/14 | 6 | 20 | BXO | S27W05 | |
| 1999/05/15 | 5 | 10 | BXO | S25W22 | |
| 1999/05/16 | 2 | 0 | BXO | S25W33 | |
| 1999/05/17 | 1 | 0 | AXX | S31W38 | |
| 1999/05/20 | 1 | 0 | AXX | S29W76 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 8540
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.37 | 1999/05/14 | 21:58 | 22:31 | 22:46 | |
| 2 | C1.87 | 1999/05/10 | 20:19 | 20:22 | 20:31 |
Latest news
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Latest forum messages
Filaments and prominences 526AR 13901 110AR 13903 1Incoming & Unnumbered Active Regions 1246Sunspot Latitudes at or near Solar Maximum 76
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 | 2024/11/20 | M1.1 |
| 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 | 142.7 -23.8 |
| Last 30 days | 156.1 +4.7 |