Sunspot region AR11354
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/11/18 | 6 | 130 | DAO | S15E73 | |
| 2011/11/19 | 8 | 210 | DSO | S15E56 | |
| 2011/11/20 | 12 | 220 | DSI | S17E44 | |
| 2011/11/21 | 12 | 220 | DAI | S17E30 | |
| 2011/11/22 | 7 | 80 | DSO | S16E17 | |
| 2011/11/23 | 10 | 50 | CAO | S17E05 | |
| 2011/11/24 | 7 | 40 | CSO | S17W09 | |
| 2011/11/25 | 8 | 40 | DAO | S17W23 | |
| 2011/11/26 | 5 | 25 | CSO | S15W36 | |
| 2011/11/27 | 1 | 0 | AXX | S16W50 |
| C |
|---|
| 13 |
The top 10 solar flares from sunspot region 11354
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.76 | 2011/11/20 | 16:35 | 16:47 | 17:07 | |
| 2 | C6.96 | 2011/11/20 | 07:34 | 07:41 | 07:47 | |
| 3 | C5.62 | 2011/11/19 | 19:48 | 19:55 | 20:03 | |
| 4 | C4.38 | 2011/11/20 | 11:45 | 11:55 | 12:04 | |
| 5 | C3.93 | 2011/11/18 | 17:07 | 17:23 | 17:56 | |
| 6 | C3.06 | 2011/11/20 | 06:05 | 06:26 | 06:50 | |
| 7 | C3.05 | 2011/11/20 | 22:59 | 23:05 | 23:13 | |
| 8 | C2.64 | 2011/11/21 | 04:48 | 04:53 | 04:58 | |
| 9 | C2.38 | 2011/11/19 | 20:47 | 20:52 | 20:56 | |
| 10 | C2.03 | 2011/11/19 | 11:19 | 11:25 | 11:30 |
Latest news
X4.0 solar flare
X5.1 solar flare, G4 geomagnetic storm watch
X1.2 solar flare with earth-directed CME
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Latest alerts
Friday, 14 November 2025
21:51 UTC - Solar flare
Moderate M1.33 flare from sunspot region 4274
21:36 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.33)
20:30 UTC - Solar flare
Moderate M1.37 flare from sunspot region 4274
20:15 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.37)
X4.0 solar flare
A X4.0 (R3-strong) solar flare peaked at 08:30 UTC this morning. It was of course departing sunspot region 4274 which has been the source of so many solar flares and even geomagnetic storms this past week that provided the fireworks.
Space weather facts
| Last X-flare | 2025/11/14 | X4.0 |
| Last M-flare | 2025/11/14 | M1.3 |
| Last geomagnetic storm | 2025/11/13 | Kp7+ (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2025 | 114.6 -15.2 |
| November 2025 | 100.3 -14.3 |
| Last 30 days | 97.9 -36.5 |