Sunspot region AR11853
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/09/27 | 3 | 20 | CRO | N19W80 | |
| 2013/09/28 | 1 | 10 | HRX | N19W77 | |
| 2013/09/29 | 5 | 30 | CAO | N19W91 | |
| 2013/09/30 | 5 | 30 | CAO | N19W0* |
2013/09/27
2013/09/28
2013/09/29
2013/09/30
|
2013/09/27
2013/09/28
2013/09/29
2013/09/30
|
| B | C |
|---|---|
| 4 | 1 |
The top 5 solar flares from sunspot region 11853
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.25 | 2013/09/29 | 00:39 | 01:27 | 02:03 | |
| 2 | B9.1 | 2013/09/27 | 11:28 | 11:33 | 11:37 | |
| 3 | B8.02 | 2013/09/28 | 11:56 | 12:05 | 12:12 | |
| 4 | B6.77 | 2013/09/27 | 15:02 | 15:06 | 15:09 | |
| 5 | B5.68 | 2013/09/28 | 17:40 | 17:43 | 17:45 |
Latest news
Monday, 1 December 2025
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |