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
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Unspecified geomagnetic activity 74AR4366 1032AR4374 23Incoming & Unnumbered Active Regions 171Do the high-resolution sunspot counts point to more complex sunspots? 73
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 100.6 -12 |
| Last 30 days | 117.7 +9.9 |