Sunspot region AR11027
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2009/09/23 | 4 | 40 | DRO | N24E32 | |
| 2009/09/24 | 9 | 100 | DSC | N23E21 | |
| 2009/09/25 | 11 | 110 | DAO | N24E05 | |
| 2009/09/26 | 4 | 60 | CAO | N24W08 | |
| 2009/09/27 | 4 | 60 | BXO | N24W21 | |
| 2009/09/28 | 1 | 10 | AXX | N24W34 | |
| 2009/09/29 | 5 | 60 | DAO | N23W47 | |
| 2009/09/30 | 4 | 40 | CRO | N23W62 | |
| 2009/10/01 | 1 | 10 | AXX | N23W76 | |
| 2009/10/02 | 1 | 10 | AXX | N24W89 |
| B | C |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 11027
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.01 | 2009/10/01 | 02:47 | 02:55 | 03:03 | |
| 2 | B1.6 | 2009/09/25 | 08:54 | 08:58 | 09:03 |
Latest news
Wednesday, 14 May 2025
Another X-flare! Potent sunspot region 4087!
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Latest forum messages
AR4087 100Incoming & Unnumbered Active Regions 1883Unspecified geomagnetic activity 2426AR4086 49AR 14079 170
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Space weather facts
| Last X-flare | 2025/05/14 | X2.7 |
| Last M-flare | 2025/05/14 | M4.6 |
| Last geomagnetic storm | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 74.9 -65.7 |
| Last 30 days | 101.3 -25.6 |