Sunspot region AR11287
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/09/04 | 3 | 30 | CAO | S30E64 | |
| 2011/09/05 | 3 | 80 | CSO | S32E51 | |
| 2011/09/06 | 5 | 80 | CSO | S31E38 | |
| 2011/09/07 | 5 | 100 | CSO | S31E25 | |
| 2011/09/08 | 1 | 100 | HSX | S30E09 | |
| 2011/09/09 | 1 | 60 | HSX | S30W05 | |
| 2011/09/10 | 2 | 60 | HSX | S29W16 | |
| 2011/09/11 | 2 | 70 | HSX | S29W28 | |
| 2011/09/12 | 2 | 60 | HSX | S28W42 | |
| 2011/09/13 | 2 | 50 | CSO | S29W53 | |
| 2011/09/14 | 3 | 80 | DSO | S27W68 | |
| 2011/09/15 | 4 | 170 | DSO | S27W78 | |
| 2011/09/16 | 1 | 10 | HSX | S28W83 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11287
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.32 | 2011/09/03 | 22:08 | 22:12 | 22:14 |
Currently there's no noteworthy space weather
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
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Latest alerts
02:09 UTC - Solar flare
Moderate M1.54 flare from sunspot region 4048
01:42 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.24)
Saturday, 29 March 2025
23:21 UTC - Solar flare
Moderate M1.91 flare from sunspot region 4048
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
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/30 | M1.5 |
| 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 | 127.5 -27.1 |
| Last 30 days | 127.5 -24.7 |