Sunspot region AR12342
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/05/10 | 4 | 30 | CRO | N18E63 | |
| 2015/05/11 | 4 | 30 | CRO | N18E48 | |
| 2015/05/12 | 5 | 50 | DAI | N18E35 | |
| 2015/05/13 | 5 | 30 | CRO | N18E22 | |
| 2015/05/14 | 9 | 60 | CRO | N18E08 | |
| 2015/05/15 | 6 | 60 | CSO | N17W06 | |
| 2015/05/16 | 3 | 70 | HSX | N17W22 | |
| 2015/05/17 | 2 | 60 | HSX | N17W35 | |
| 2015/05/18 | 1 | 80 | HSX | N17W51 | |
| 2015/05/19 | 3 | 70 | HSX | N17W64 | |
| 2015/05/20 | 3 | 90 | CAO | N16W73 | |
| 2015/05/21 | 1 | 10 | BXO | N18W92 | |
| 2015/05/22 | 1 | 10 | BXO | N18W0* |
2015/05/10
2015/05/11
2015/05/12
2015/05/13
2015/05/14
2015/05/15
2015/05/16
2015/05/17
2015/05/18
2015/05/19
2015/05/20
2015/05/21
|
2015/05/10
2015/05/11
2015/05/12
2015/05/13
2015/05/14
2015/05/15
2015/05/16
2015/05/17
2015/05/18
2015/05/19
2015/05/20
2015/05/21
|
| B | C |
|---|---|
| 1 | 6 |
The top 7 solar flares from sunspot region 12342
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.06 | 2015/05/13 | 05:47 | 05:59 | 06:17 | |
| 2 | C4.47 | 2015/05/13 | 04:09 | 04:15 | 04:48 | |
| 3 | C4.03 | 2015/05/14 | 13:58 | 14:08 | 14:24 | |
| 4 | C3.68 | 2015/05/15 | 23:48 | 00:11 | 00:19 | |
| 5 | C2.84 | 2015/05/15 | 22:18 | 22:30 | 22:39 | |
| 6 | C1.58 | 2015/05/14 | 18:59 | 19:06 | 19:15 | |
| 7 | B9.23 | 2015/05/18 | 13:11 | 13:15 | 13:18 |
Latest news
Monday, 1 December 2025
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Friday, 14 November 2025
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Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |