Sunspot region AR12651
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/04/19 | 2 | 20 | DSO | N12E67 | |
| 2017/04/20 | 4 | 110 | DAO | N12E59 | |
| 2017/04/21 | 5 | 130 | DAO | N12E44 | |
| 2017/04/22 | 7 | 130 | CAO | N12E30 | |
| 2017/04/23 | 7 | 140 | CAO | N11E17 | |
| 2017/04/24 | 8 | 150 | CSO | N12E04 | |
| 2017/04/25 | 6 | 110 | HAX | N11W09 | |
| 2017/04/26 | 3 | 80 | HSX | N11W23 | |
| 2017/04/27 | 2 | 80 | HSX | N11W35 | |
| 2017/04/28 | 2 | 70 | HSX | N10W50 | |
| 2017/04/29 | 2 | 60 | HSX | N12W63 | |
| 2017/04/30 | 2 | 40 | HSX | N12W76 | |
| 2017/05/01 | 1 | 30 | HSX | N13W90 | |
| 2017/05/02 | 1 | 30 | HSX | N13W0* |
2017/04/19
2017/04/20
2017/04/21
2017/04/22
2017/04/23
2017/04/24
2017/04/25
2017/04/26
2017/04/27
2017/04/28
2017/04/29
2017/04/30
2017/05/01
|
2017/04/19
2017/04/20
2017/04/21
2017/04/22
2017/04/23
2017/04/24
2017/04/25
2017/04/26
2017/04/27
2017/04/28
2017/04/29
2017/04/30
2017/05/01
|
| B | C |
|---|---|
| 26 | 6 |
The top 10 solar flares from sunspot region 12651
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.94 | 2017/04/18 | 19:21 | 20:10 | 20:49 | |
| 2 | C4.8 | 2017/04/18 | 09:29 | 09:41 | 09:55 | |
| 3 | C2.92 | 2017/04/17 | 02:17 | 02:47 | 03:10 | |
| 4 | C1.33 | 2017/04/22 | 00:22 | 00:34 | 00:42 | |
| 5 | C1.1 | 2017/04/20 | 06:49 | 06:56 | 07:04 | |
| 6 | C1.03 | 2017/04/17 | 21:21 | 21:42 | 21:53 | |
| 7 | B9.9 | 2017/04/19 | 16:32 | 16:36 | 16:39 | |
| 8 | B9.76 | 2017/04/17 | 07:13 | 07:21 | 07:27 | |
| 9 | B9.4 | 2017/04/18 | 06:31 | 06:40 | 06:46 | |
| 10 | B8.38 | 2017/04/21 | 12:06 | 12:16 | 12:26 |
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |