Sunspot region AR12391
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/07/28 | 1 | 40 | HSX | N05E71 | |
| 2015/07/29 | 1 | 50 | HSX | N07E56 | |
| 2015/07/30 | 1 | 60 | HSX | N06E44 | |
| 2015/07/31 | 2 | 60 | HAX | N06E31 | |
| 2015/08/01 | 1 | 50 | HAX | N07E17 | |
| 2015/08/02 | 3 | 20 | HAX | N06E03 | |
| 2015/08/03 | 1 | 10 | AXX | N07W10 | |
| 2015/08/04 | 1 | 1 | AXX | N06W23 | |
| 2015/08/05 | 1 | 10 | AXX | N07W32 |
2015/07/28
2015/07/29
2015/07/30
2015/07/31
2015/08/01
2015/08/02
2015/08/03
2015/08/04
2015/08/05
|
2015/07/28
2015/07/29
2015/07/30
2015/07/31
2015/08/01
2015/08/02
2015/08/03
2015/08/04
2015/08/05
|
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 12391
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B7.38 | 2015/08/03 | 05:37 | 05:48 | 05:56 |
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
ReykjavikTromsø
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
AR4048 14AR4043 44AR4046 128Incoming & Unnumbered Active Regions 1658Aurora photography hints for those of us with smartphones 51
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
22:51 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.1)
21:57 UTC - Solar flare
Moderate M1.45 flare from sunspot region 4048
21:36 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.11)
00:00 UTC - Solar flare
Moderate M1.79 flare
Friday, 28 March 2025
23:36 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.04)
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/28 | M1.7 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 128.3 -26.4 |
| Last 30 days | 128.3 -23.7 |