Sunspot region AR11540
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/08/04 | 3 | 30 | CRO | S27E60 | |
| 2012/08/05 | 8 | 90 | CAO | S27E46 | |
| 2012/08/06 | 8 | 110 | DSO | S27E32 | |
| 2012/08/07 | 13 | 100 | CAI | S27E17 | |
| 2012/08/08 | 9 | 90 | DAI | S26E04 | |
| 2012/08/09 | 9 | 90 | DAI | S26W09 | |
| 2012/08/10 | 6 | 90 | CAO | S26W21 | |
| 2012/08/11 | 7 | 110 | CAO | S26W34 | |
| 2012/08/12 | 1 | 50 | HAX | S25W50 | |
| 2012/08/13 | 1 | 30 | HAX | S25W62 | |
| 2012/08/14 | 1 | 30 | HAX | S25W76 |
| B | C | M |
|---|---|---|
| 2 | 4 | 1 |
The top 7 solar flares from sunspot region 11540
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.45 | 2012/08/11 | 11:55 | 12:20 | 12:57 | |
| 2 | C2.43 | 2012/08/08 | 03:56 | 04:06 | 04:13 | |
| 3 | C2.11 | 2012/08/03 | 16:05 | 16:27 | 16:49 | |
| 4 | C2.07 | 2012/08/13 | 09:19 | 09:30 | 09:41 | |
| 5 | C1.82 | 2012/08/14 | 19:12 | 20:26 | 21:43 | |
| 6 | B8.99 | 2012/08/13 | 21:44 | 21:59 | 22:08 | |
| 7 | B8.99 | 2012/08/13 | 21:44 | 21:59 | 22:08 |
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
NuukTórshavn
Oulu, Rovaniemi, Sodankylä, Utsjoki
Reykjavik
Kirkenes, Tromsø, Trondheim
Murmansk
Kiruna, Luleå, Umeå
Latest news
Wednesday, 5 March 2025
Coronal hole faces Earth
Sunday, 23 February 2025
X2.0 solar flare from sunspot region 4001
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
Latest forum messages
Coronal Hole 22 89Filaments and prominences 720Ask your obscure/"stupid" space weather questions. 343IP cameras for sky surveillance 53Incoming & Unnumbered Active Regions 1629
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!
Latest alerts
Saturday, 15 March 2025
13:48 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 52GW at 14:31 UTC
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/14 | M1.1 |
| Last geomagnetic storm | 2025/03/14 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 125.9 -28.7 |
| Last 30 days | 136.5 -20.3 |