Sunspot region AR11670
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/02/08 | 5 | 30 | DRO | N18E25 | |
| 2013/02/09 | 10 | 70 | DAO | N19E12 | |
| 2013/02/10 | 25 | 150 | DSI | N19W01 | |
| 2013/02/11 | 13 | 160 | DSI | N17W14 | |
| 2013/02/12 | 13 | 160 | DSI | N17W28 | |
| 2013/02/13 | 12 | 170 | DAI | N17W42 | |
| 2013/02/14 | 5 | 110 | DSO | N17W55 | |
| 2013/02/15 | 4 | 100 | CAO | N17W69 | |
| 2013/02/16 | 3 | 70 | CAO | N17W85 |
| B | C |
|---|---|
| 10 | 3 |
The top 10 solar flares from sunspot region 11670
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.14 | 2013/02/12 | 17:47 | 17:55 | 18:01 | |
| 2 | C1.46 | 2013/02/14 | 04:12 | 04:30 | 04:38 | |
| 3 | C1.14 | 2013/02/13 | 00:42 | 00:45 | 00:50 | |
| 4 | B8.1 | 2013/02/11 | 16:04 | 16:12 | 16:19 | |
| 5 | B7.51 | 2013/02/11 | 06:22 | 06:25 | 06:29 | |
| 6 | B7.17 | 2013/02/15 | 01:55 | 02:01 | 02:08 | |
| 7 | B6.51 | 2013/02/08 | 15:03 | 15:08 | 15:15 | |
| 8 | B6.45 | 2013/02/13 | 10:22 | 10:46 | 10:59 | |
| 9 | B6.23 | 2013/02/08 | 08:41 | 08:50 | 09:22 | |
| 10 | B5.96 | 2013/02/12 | 19:52 | 19:56 | 19:59 |
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
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Space weather facts
| Last X-flare | 2025/05/14 | X2.7 |
| Last M-flare | 2025/05/15 | M2.1 |
| 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 | 73.4 -67.2 |
| Last 30 days | 100.7 -22.3 |