Sunspot region AR12390
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/07/25 | 2 | 10 | BXO | S15E28 | |
| 2015/07/26 | 10 | 50 | DAI | S15E13 | |
| 2015/07/27 | 10 | 130 | DAC | S15E01 | |
| 2015/07/28 | 15 | 170 | DAI | S17W13 | |
| 2015/07/29 | 17 | 150 | DAI | S15W26 | |
| 2015/07/30 | 18 | 110 | DAI | S15W39 | |
| 2015/07/31 | 10 | 70 | DSO | S15W53 | |
| 2015/08/01 | 11 | 100 | DAI | S15W66 | |
| 2015/08/02 | 5 | 80 | CAO | S14W79 | |
| 2015/08/03 | 2 | 50 | CSO | S15W91 | |
| 2015/08/04 | 2 | 50 | CSO | S15W0* |
2015/07/25
2015/07/26
2015/07/27
2015/07/28
2015/07/29
2015/07/30
2015/07/31
2015/08/01
2015/08/02
2015/08/03
|
2015/07/25
2015/07/26
2015/07/27
2015/07/28
2015/07/29
2015/07/30
2015/07/31
2015/08/01
2015/08/02
2015/08/03
|
| B | C |
|---|---|
| 8 | 3 |
The top 10 solar flares from sunspot region 12390
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.21 | 2015/08/01 | 19:59 | 20:05 | 20:10 | |
| 2 | C1.04 | 2015/08/02 | 02:13 | 02:21 | 02:28 | |
| 3 | C1.03 | 2015/08/02 | 10:12 | 10:19 | 10:34 | |
| 4 | B9.29 | 2015/08/02 | 03:19 | 03:26 | 03:35 | |
| 5 | B8.43 | 2015/08/02 | 02:54 | 02:58 | 03:04 | |
| 6 | B8.15 | 2015/07/31 | 03:55 | 04:02 | 04:08 | |
| 7 | B6.06 | 2015/08/01 | 17:04 | 17:10 | 17:16 | |
| 8 | B5.87 | 2015/07/28 | 00:38 | 00:42 | 00:47 | |
| 9 | B5.31 | 2015/08/02 | 10:00 | 10:03 | 10:05 | |
| 10 | B5.2 | 2015/07/27 | 12:35 | 12:39 | 12:43 |
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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 | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |