Sunspot region AR12415
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/09/12 | 7 | 100 | DAO | S21E68 | |
| 2015/09/13 | 7 | 130 | DAI | S21E53 | |
| 2015/09/14 | 7 | 130 | DAI | S21E53 | |
| 2015/09/15 | 16 | 150 | CAI | S22E28 | |
| 2015/09/16 | 16 | 150 | CAI | S22E14 | |
| 2015/09/17 | 20 | 190 | DAC | S20W02 | |
| 2015/09/18 | 30 | 230 | EAC | S20W16 | |
| 2015/09/19 | 19 | 190 | EAC | S19W29 | |
| 2015/09/20 | 19 | 240 | EAC | S19W41 | |
| 2015/09/21 | 12 | 240 | EAC | S19W56 | |
| 2015/09/22 | 4 | 160 | EAO | S18W69 | |
| 2015/09/23 | 3 | 160 | DSO | S18W81 | |
| 2015/09/24 | 3 | 160 | DSO | S18W81 | |
| 2015/09/25 | 1 | 10 | BXO | S19W0* |
2015/09/12
2015/09/13
2015/09/14
2015/09/15
2015/09/16
2015/09/17
2015/09/18
2015/09/19
2015/09/20
2015/09/21
2015/09/22
2015/09/23
2015/09/24
|
2015/09/12
2015/09/13
2015/09/14
2015/09/15
2015/09/16
2015/09/17
2015/09/18
2015/09/19
2015/09/20
2015/09/21
2015/09/22
2015/09/23
2015/09/24
|
| B | C | M |
|---|---|---|
| 16 | 39 | 4 |
The top 10 solar flares from sunspot region 12415
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.13 | 2015/09/20 | 17:32 | 18:03 | 18:29 | |
| 2 | M1.63 | 2015/09/17 | 09:34 | 09:40 | 09:45 | |
| 3 | M1.37 | 2015/09/17 | 02:52 | 03:03 | 03:09 | |
| 4 | M1.13 | 2015/09/16 | 19:08 | 19:20 | 19:24 | |
| 5 | C9.51 | 2015/09/17 | 21:07 | 21:15 | 21:19 | |
| 6 | C7.12 | 2015/09/17 | 03:11 | 03:14 | 03:17 | |
| 7 | C5.56 | 2015/09/17 | 22:56 | 23:00 | 23:05 | |
| 8 | C4.76 | 2015/09/17 | 19:47 | 19:54 | 19:57 | |
| 9 | C4.65 | 2015/09/17 | 18:08 | 18:18 | 18:27 | |
| 10 | C4.31 | 2015/09/16 | 02:05 | 02:24 | 02:36 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.5 |
| 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 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |